All MIBs › RFC1406-MIB
Category: IETF Standards
Description: Defines DS1/T1 interface management objects for framing, line coding, and performance per RFC 1406.
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What Is RFC1406-MIB?
RFC1406-MIB is a vendor-neutral IETF standards-track MIB module that defines managed objects for DS1 and T1 digital transmission interfaces found in WAN and telecom transport equipment. It exposes configuration data such as line type, line coding, and line status, along with performance statistics like errored seconds, severely errored seconds, and loss-of-signal counts collected over 15-minute and 24-hour intervals. Administrators use it primarily to monitor the hardware health and signal integrity of T1/DS1 circuits, tracking interface up/down status and cumulative error counts that indicate a failing line card, bad cabling, or clocking problems. It is closely tied to the standard IF-MIB, since DS1 interfaces are typically indexed alongside generic ifTable entries. It is deployed on telecom carrier equipment, channel banks, CSU/DSUs, and routers with T1/DS1 WAN interfaces. Because it is a long-standing IETF standard, most SNMP tools ship the RFC1406-MIB MIB definitions pre-loaded, sparing operators from having to compile it separately before use.
IPNetwork Monitor allows you to monitor SNMP objects defined in RFC1406-MIB. Use the built-in SNMP Monitoring Browser to explore available variables, view their current values and descriptions, and select the objects you want to monitor. You can then create SNMP monitors, configure thresholds, and receive alerts when monitored values change.
Supported Devices
- T1/DS1 WAN interface cards
- channel banks and CSU/DSUs
- vendor-neutral, standards-based MIB, not tied to a specific manufacturer
Monitoring Examples
Because sample_objects were not extracted for this module, no specific object names can be cited here beyond the well-known RFC 1406 conventions such as dsx1LineStatus, dsx1CurrentIndex, and dsx1IntervalESs. In a typical deployment, an operator would poll the DS1 current and interval tables to detect line status changes (e.g., loss of signal or frame slip) and rising errored-second counts that indicate a degrading T1 circuit. A sudden jump in severely errored seconds combined with a line status change to 'looped' or 'signal failure' would flag a physical layer fault requiring circuit testing.
What Can Be Monitored
- DS1 line status
- line coding/framing configuration
- errored seconds
- severely errored seconds
- loss-of-signal events
- circuit interval performance history
This MIB depends on
Related MIBs
Imported Objects
OIDs
| OID symbolic | OID numeric | Type | Access | Description |
|---|---|---|---|---|
| ds1 | 1.3.6.1.2.1.10.18 | |||
| STR dsx1CircuitIdentifier | 1.3.6.1.2.1.10.18.6.1.8 | DisplayString | read-write | This variable contains the transmission vendor's circuit identifier, for the purpose of facilitating troubleshooting. |
| dsx1ConfigEntry | 1.3.6.1.2.1.10.18.6.1 | not-accessible | An entry in the DS1 Configuration table. | |
| dsx1ConfigTable | 1.3.6.1.2.1.10.18.6 | not-accessible | The DS1 Configuration table. | |
| GAU dsx1CurrentBESs | 1.3.6.1.2.1.10.18.7.1.9 | Gauge | read-only | The number of Bursty Errored Seconds (BESs) encountered by a DS1 interface in the current 15 minute interval. |
| GAU dsx1CurrentCSSs | 1.3.6.1.2.1.10.18.7.1.6 | Gauge | read-only | The number of Controlled Slip Seconds encoun- tered by a DS1 interface in the current 15 minute interval. |
| GAU dsx1CurrentDMs | 1.3.6.1.2.1.10.18.7.1.10 | Gauge | read-only | The number of Degraded Minutes (DMs) encoun- tered by a DS1 interface in the current 15 minute interval. |
| dsx1CurrentEntry | 1.3.6.1.2.1.10.18.7.1 | not-accessible | An entry in the DS1 Current table. | |
| GAU dsx1CurrentESs | 1.3.6.1.2.1.10.18.7.1.2 | Gauge | read-only | The number of Errored Seconds, encountered by a DS1 interface in the current 15 minute inter- val. |
| INT dsx1CurrentIndex | 1.3.6.1.2.1.10.18.7.1.1 | INTEGER | read-only | The index value which uniquely identifies the DS1 interface to which this entry is applica- ble. The interface identified by a particular value of this index is the same interface as identified by the same value as a dsx1LineIndex object instance. |
| GAU dsx1CurrentLCVs | 1.3.6.1.2.1.10.18.7.1.11 | Gauge | read-only | The number of Line Code Violations (LCVs) en- countered by a DS1 interface in the current 15 minute interval. |
| GAU dsx1CurrentLESs | 1.3.6.1.2.1.10.18.7.1.8 | Gauge | read-only | The number of Line Errored Seconds encountered by a DS1 interface in the current 15 minute in- terval. |
| GAU dsx1CurrentPCVs | 1.3.6.1.2.1.10.18.7.1.7 | Gauge | read-only | The number of Path Coding Violations encoun- tered by a DS1 interface in the current 15 minute interval. |
| GAU dsx1CurrentSEFSs | 1.3.6.1.2.1.10.18.7.1.4 | Gauge | read-only | The number of Severely Errored Framing Seconds encountered by a DS1 interface in the current 15 minute interval. |
| GAU dsx1CurrentSESs | 1.3.6.1.2.1.10.18.7.1.3 | Gauge | read-only | The number of Severely Errored Seconds encoun- tered by a DS1 interface in the current 15 minute interval. |
| dsx1CurrentTable | 1.3.6.1.2.1.10.18.7 | not-accessible | The DS1 Current table. | |
| GAU dsx1CurrentUASs | 1.3.6.1.2.1.10.18.7.1.5 | Gauge | read-only | The number of Unavailable Seconds encountered by a DS1 interface in the current 15 minute in- terval. |
| GAU dsx1FarEndCurrentBESs | 1.3.6.1.2.1.10.18.10.1.11 | Gauge | read-only | The number of Bursty Errored Seconds (BESs) encountered by a DS1 interface in the current 15 minute interval. |
| GAU dsx1FarEndCurrentCSSs | 1.3.6.1.2.1.10.18.10.1.8 | Gauge | read-only | The number of Far End Controlled Slip Seconds encountered by a DS1 interface in the current 15 minute interval. |
| GAU dsx1FarEndCurrentDMs | 1.3.6.1.2.1.10.18.10.1.12 | Gauge | read-only | The number of Degraded Minutes (DMs) encoun- tered by a DS1 interface in the current 15 minute interval. |
| dsx1FarEndCurrentEntry | 1.3.6.1.2.1.10.18.10.1 | not-accessible | An entry in the DS1 Far End Current table. | |
| GAU dsx1FarEndCurrentESs | 1.3.6.1.2.1.10.18.10.1.4 | Gauge | read-only | The number of Far Far End Errored Seconds en- countered by a DS1 interface in the current 15 minute interval. |
| INT dsx1FarEndCurrentIndex | 1.3.6.1.2.1.10.18.10.1.1 | INTEGER | read-only | The index value which uniquely identifies the DS1 interface to which this entry is applica- ble. The interface identified by a particular value of this index is the same interface as identified by the same value an dsx1LineIndex object instance. |
| GAU dsx1FarEndCurrentLESs | 1.3.6.1.2.1.10.18.10.1.9 | Gauge | read-only | The number of Far End Line Errored Seconds en- countered by a DS1 interface in the current 15 minute interval. |
| GAU dsx1FarEndCurrentPCVs | 1.3.6.1.2.1.10.18.10.1.10 | Gauge | read-only | The number of Far End Path Coding Violations reported via the far end block error count en- countered by a DS1 interface in the current 15 minute interval. |
| GAU dsx1FarEndCurrentSEFSs | 1.3.6.1.2.1.10.18.10.1.6 | Gauge | read-only | The number of Far End Severely Errored Framing Seconds encountered by a DS1 interface in the current 15 minute interval. |
| GAU dsx1FarEndCurrentSESs | 1.3.6.1.2.1.10.18.10.1.5 | Gauge | read-only | The number of Far End Severely Errored Seconds encountered by a DS1 interface in the current 15 minute interval. |
| dsx1FarEndCurrentTable | 1.3.6.1.2.1.10.18.10 | not-accessible | The DS1 Far End Current table. | |
| GAU dsx1FarEndCurrentUASs | 1.3.6.1.2.1.10.18.10.1.7 | Gauge | read-only | The number of Unavailable Seconds encountered by a DS1 interface in the current 15 minute in- terval. |
| GAU dsx1FarEndIntervalBESs | 1.3.6.1.2.1.10.18.11.1.10 | Gauge | read-only | The number of Bursty Errored Seconds (BESs) encountered by a DS1 interface in one of the previous 96, individual 15 minute, intervals. |
| GAU dsx1FarEndIntervalCSSs | 1.3.6.1.2.1.10.18.11.1.7 | Gauge | read-only | The number of Far End Controlled Slip Seconds encountered by a DS1 interface in one of the previous 96, individual 15 minute, intervals. |
| GAU dsx1FarEndIntervalDMs | 1.3.6.1.2.1.10.18.11.1.11 | Gauge | read-only | The number of Degraded Minutes (DMs) encoun- tered by a DS1 interface in one of the previous 96, individual 15 minute, intervals. |
| dsx1FarEndIntervalEntry | 1.3.6.1.2.1.10.18.11.1 | not-accessible | An entry in the DS1 Far End Interval table. | |
| GAU dsx1FarEndIntervalESs | 1.3.6.1.2.1.10.18.11.1.3 | Gauge | read-only | The number of Far End Errored Seconds encoun- tered by a DS1 interface in one of the previous 96, individual 15 minute, intervals. |
| INT dsx1FarEndIntervalIndex | 1.3.6.1.2.1.10.18.11.1.1 | INTEGER | read-only | The index value which uniquely identifies the DS1 interface to which this entry is applica- ble. The interface identified by a particular value of this index is the same interface as identified by the same value as a dsx1LineIndex object instance. |
| GAU dsx1FarEndIntervalLESs | 1.3.6.1.2.1.10.18.11.1.8 | Gauge | read-only | The number of Far End Line Errored Seconds en- countered by a DS1 interface in one of the pre- vious 96, individual 15 minute, intervals. |
| INT dsx1FarEndIntervalNumber | 1.3.6.1.2.1.10.18.11.1.2 | INTEGER | read-only | A number between 1 and 96, where 1 is the most recently completed 15 minute interval and 96 is the least recently completed 15 minutes inter- val (assuming that all 96 intervals are valid). |
| GAU dsx1FarEndIntervalPCVs | 1.3.6.1.2.1.10.18.11.1.9 | Gauge | read-only | The number of Far End Path Coding Violations reported via the far end block error count en- countered by a DS1 interface in one of the pre- vious 96, individual 15 minute, intervals. |
| GAU dsx1FarEndIntervalSEFSs | 1.3.6.1.2.1.10.18.11.1.5 | Gauge | read-only | The number of Far End Severely Errored Framing Seconds encountered by a DS1 interface in one of the previous 96, individual 15 minute, in- tervals. |
| GAU dsx1FarEndIntervalSESs | 1.3.6.1.2.1.10.18.11.1.4 | Gauge | read-only | The number of Far End Severely Errored Seconds encountered by a DS1 interface in one of the previous 96, individual 15 minute, intervals. |
| dsx1FarEndIntervalTable | 1.3.6.1.2.1.10.18.11 | not-accessible | The DS1 Far End Interval table. | |
| GAU dsx1FarEndIntervalUASs | 1.3.6.1.2.1.10.18.11.1.6 | Gauge | read-only | The number of Unavailable Seconds encountered by a DS1 interface in one of the previous 96, individual 15 minute, intervals. |
| INT dsx1FarEndTimeElapsed | 1.3.6.1.2.1.10.18.10.1.2 | INTEGER | read-only | The number of seconds that have elapsed since the beginning of the far end current error-measurement period. |
| GAU dsx1FarEndTotalBESs | 1.3.6.1.2.1.10.18.12.1.9 | Gauge | read-only | The number of Bursty Errored Seconds (BESs) encountered by a DS1 interface in the previous 24 hour interval. |
| GAU dsx1FarEndTotalCSSs | 1.3.6.1.2.1.10.18.12.1.6 | Gauge | read-only | The number of Far End Controlled Slip Seconds encountered by a DS1 interface in the previous 24 hour interval. |
| GAU dsx1FarEndTotalDMs | 1.3.6.1.2.1.10.18.12.1.10 | Gauge | read-only | The number of Degraded Minutes (DMs) encoun- tered by a DS1 interface in the previous 24 hour interval. |
| dsx1FarEndTotalEntry | 1.3.6.1.2.1.10.18.12.1 | not-accessible | An entry in the DS1 Far End Total table. | |
| GAU dsx1FarEndTotalESs | 1.3.6.1.2.1.10.18.12.1.2 | Gauge | read-only | The number of Far End Errored Seconds encoun- tered by a DS1 interface in the previous 24 hour interval. |
| INT dsx1FarEndTotalIndex | 1.3.6.1.2.1.10.18.12.1.1 | INTEGER | read-only | The index value which uniquely identifies the DS1 interface to which this entry is applica- ble. The interface identified by a particular value of this index is the same interface as identified by the same value an dsx1LineIndex object instance. |
| GAU dsx1FarEndTotalLESs | 1.3.6.1.2.1.10.18.12.1.7 | Gauge | read-only | The number of Far End Line Errored Seconds en- countered by a DS1 interface in the previous 24 hour interval. |
| GAU dsx1FarEndTotalPCVs | 1.3.6.1.2.1.10.18.12.1.8 | Gauge | read-only | The number of Far End Path Coding Violations reported via the far end block error count en- countered by a DS1 interface in the previous 24 hour interval. |
| GAU dsx1FarEndTotalSEFSs | 1.3.6.1.2.1.10.18.12.1.4 | Gauge | read-only | The number of Far End Severely Errored Framing Seconds encountered by a DS1 interface in the previous 24 hour interval. |
| GAU dsx1FarEndTotalSESs | 1.3.6.1.2.1.10.18.12.1.3 | Gauge | read-only | The number of Far End Severely Errored Seconds encountered by a DS1 interface in the previous 24 hour interval. |
| dsx1FarEndTotalTable | 1.3.6.1.2.1.10.18.12 | not-accessible | The DS1 Far End Total table. | |
| GAU dsx1FarEndTotalUASs | 1.3.6.1.2.1.10.18.12.1.5 | Gauge | read-only | The number of Unavailable Seconds encountered by a DS1 interface in the previous 24 hour in- terval. |
| INT dsx1FarEndValidIntervals | 1.3.6.1.2.1.10.18.10.1.3 | INTEGER | read-only | The number of previous far end intervals for which valid data was collected. The value will be 96 unless the interface was brought online within the last 24 hours, in which case the value will be the number of complete 15 minute far end intervals since the interface has been online. |
| INT dsx1Fdl | 1.3.6.1.2.1.10.18.6.1.13 | INTEGER | read-write | This bitmap describes the use of the facili- ties data link, and is the sum of the capabili- ties: 'other' indicates that a protocol other than one following is used. 'dsx1Ansi-T1-403' refers to the FDL exchange recommended by ANSI. 'dsx1Att-54016' refers to ESF FDL exchanges. 'dsx1Fdl-none' indicates that the device does not use the FDL. |
| dsx1FracEntry | 1.3.6.1.2.1.10.18.13.1 | not-accessible | An entry in the DS1 Fractional table. | |
| INT dsx1FracIfIndex | 1.3.6.1.2.1.10.18.13.1.3 | INTEGER | read-write | An index value that uniquely identifies an in- terface. The interface identified by a partic- ular value of this index is the same interface as identified by the same value an ifIndex ob- ject instance. If no interface is currently us- ing a channel, the value should be zero. If a single interface occupies more than one time slot, that ifIndex value will be found in mul- tiple time slots. |
| INT dsx1FracIndex | 1.3.6.1.2.1.10.18.13.1.1 | INTEGER | read-only | The index value which uniquely identifies the DS1 interface to which this entry is applica- ble. The interface identified by a particular value of this index is the same interface as identified by the same value an dsx1LineIndex object instance. |
| INT dsx1FracNumber | 1.3.6.1.2.1.10.18.13.1.2 | INTEGER | read-only | The channel number for this entry. |
| dsx1FracTable | 1.3.6.1.2.1.10.18.13 | not-accessible | The DS1 Fractional table. | |
| INT dsx1IfIndex | 1.3.6.1.2.1.10.18.6.1.2 | INTEGER | read-only | This value for this object is equal to the value of ifIndex from the Interfaces table of MIB II (RFC 1213). |
| GAU dsx1IntervalBESs | 1.3.6.1.2.1.10.18.8.1.10 | Gauge | read-only | The number of Bursty Errored Seconds (BESs) encountered by a DS1 interface in one of the previous 96, individual 15 minute, intervals. |
| GAU dsx1IntervalCSSs | 1.3.6.1.2.1.10.18.8.1.7 | Gauge | read-only | The number of Controlled Slip Seconds encoun- tered by a DS1 interface in one of the previous 96, individual 15 minute, intervals. |
| GAU dsx1IntervalDMs | 1.3.6.1.2.1.10.18.8.1.11 | Gauge | read-only | The number of Degraded Minutes (DMs) encoun- tered by a DS1 interface in one of the previous 96, individual 15 minute, intervals. |
| dsx1IntervalEntry | 1.3.6.1.2.1.10.18.8.1 | not-accessible | An entry in the DS1 Interval table. | |
| GAU dsx1IntervalESs | 1.3.6.1.2.1.10.18.8.1.3 | Gauge | read-only | The number of Errored Seconds encountered by a DS1 interface in one of the previous 96, indi- vidual 15 minute, intervals. |
| INT dsx1IntervalIndex | 1.3.6.1.2.1.10.18.8.1.1 | INTEGER | read-only | The index value which uniquely identifies the DS1 interface to which this entry is applica- ble. The interface identified by a particular value of this index is the same interface as identified by the same value as a dsx1LineIndex object instance. |
| GAU dsx1IntervalLCVs | 1.3.6.1.2.1.10.18.8.1.12 | Gauge | read-only | The number of Line Code Violations (LCVs) en- countered by a DS1 interface in the current 15 minute interval. |
| GAU dsx1IntervalLESs | 1.3.6.1.2.1.10.18.8.1.9 | Gauge | read-only | The number of Line Errored Seconds encountered by a DS1 interface in one of the previous 96, individual 15 minute, intervals. |
| INT dsx1IntervalNumber | 1.3.6.1.2.1.10.18.8.1.2 | INTEGER | read-only | A number between 1 and 96, where 1 is the most recently completed 15 minute interval and 96 is the least recently completed 15 minutes inter- val (assuming that all 96 intervals are valid). |
| GAU dsx1IntervalPCVs | 1.3.6.1.2.1.10.18.8.1.8 | Gauge | read-only | The number of Path Coding Violations encoun- tered by a DS1 interface in one of the previous 96, individual 15 minute, intervals. |
| GAU dsx1IntervalSEFSs | 1.3.6.1.2.1.10.18.8.1.5 | Gauge | read-only | The number of Severely Errored Framing Seconds encountered by a DS1 interface in one of the previous 96, individual 15 minute, intervals. |
| GAU dsx1IntervalSESs | 1.3.6.1.2.1.10.18.8.1.4 | Gauge | read-only | The number of Severely Errored Seconds encoun- tered by a DS1 interface in one of the previous 96, individual 15 minute, intervals. |
| dsx1IntervalTable | 1.3.6.1.2.1.10.18.8 | not-accessible | The DS1 Interval table. | |
| GAU dsx1IntervalUASs | 1.3.6.1.2.1.10.18.8.1.6 | Gauge | read-only | The number of Unavailable Seconds encountered by a DS1 interface in one of the previous 96, individual 15 minute, intervals. |
| INT dsx1LineCoding | 1.3.6.1.2.1.10.18.6.1.6 | INTEGER | read-write | This variable describes the variety of Zero Code Suppression used on the link, which in turn affects a number of its characteristics. dsx1JBZS refers the Jammed Bit Zero Suppres- sion, in which the AT&T specification of at least one pulse every 8 bit periods is literal- ly implemented by forcing a pulse in bit 8 of each channel. Thus, only seven bits per chan- nel, or 1.344 Mbps, is available for data. dsx1B8ZS refers to the use of a specified pat- tern of normal bits and bipolar violations which are used to replace a sequence of eight zero bits. ANSI Clear Channels may use dsx1ZBTSI, or Zero Byte Time Slot Interchange. E1 links, with or without CRC, use dsx1HDB3 or dsx1AMI. dsx1AMI refers to a mode wherein no zero code suppression is present and the line encoding does not solve the problem directly. In this application, the higher layer must provide data which meets or exceeds the pulse density re- quirements, such as inverting HDLC data. |
| INT dsx1LineIndex | 1.3.6.1.2.1.10.18.6.1.1 | INTEGER | read-only | This object is the identifier of a DS1 Inter- face on a managed device. If there is an ifEn- try that is directly associated with this and only this DS1 interface, it should have the same value as ifIndex. Otherwise, the value exceeds ifNumber, and is a unique identifier following this rule: inside interfaces (e.g., equipment side) with even numbers and outside interfaces (e.g., network side) with odd numbers. |
| INT dsx1LineStatus | 1.3.6.1.2.1.10.18.6.1.10 | INTEGER | read-only | This variable indicates the Line Status of the interface. It contains loopback, failure, re- ceived 'alarm' and transmitted 'alarm' infor- mation. The dsx1LineStatus is a bit map represented as a sum, therefore, it can represent multiple failures (alarms) and a LoopbackState simultaneously. dsx1NoAlarm should be set if and only if no other flag is set. If the dsx1LoopbackState bit is set, the loopback in ef- fect can be determined from the dsx1LoopbackConfig object. The various bit positions are: 1 dsx1NoAlarm No Alarm Present 2 dsx1RcvFarEndLOF Far end LOF (a.k.a., Yellow Alarm) 4 dsx1XmtFarEndLOF Near end sending LOF Indication 8 dsx1RcvAIS Far end sending AIS 16 dsx1XmtAIS Near end sending AIS 32 dsx1LossOfFrame Near end LOF (a.k.a., Red Alarm) 64 dsx1LossOfSignal Near end Loss Of Signal 128 dsx1LoopbackState Near end is looped 256 dsx1T16AIS E1 TS16 AIS 512 dsx1RcvFarEndLOMF Far End Sending TS16 LOMF 1024 dsx1XmtFarEndLOMF Near End Sending TS16 LOMF 2048 dsx1RcvTestCode Near End detects a test code 4096 dsx1OtherFailure any line status not defined here |
| INT dsx1LineType | 1.3.6.1.2.1.10.18.6.1.5 | INTEGER | read-write | This variable indicates the variety of DS1 Line implementing this circuit. The type of circuit affects the number of bits per second that the circuit can reasonably carry, as well as the interpretation of the usage and error statistics. The values, in sequence, describe: TITLE: SPECIFICATION: dsx1ESF Extended SuperFrame DS1 dsx1D4 AT&T D4 format DS1 dsx1E1 CCITT Recommendation G.704 (Table 4a) dsx1E1-CRC CCITT Recommendation G.704 (Table 4b) dsxE1-MF G.704 (Table 4a) with TS16 multiframing enabled dsx1E1-CRC-MF G.704 (Table 4b) with TS16 multiframing enabled |
| INT dsx1LoopbackConfig | 1.3.6.1.2.1.10.18.6.1.9 | INTEGER | read-write | This variable represents the loopback confi- guration of the DS1 interface. Agents support- ing read/write access should return badValue in response to a requested loopback state that the interface does not support. The values mean: dsx1NoLoop Not in the loopback state. A device that is not capable of performing a loopback on the interface shall always return this as it's value. dsx1PayloadLoop The received signal at this interface is looped through the device. Typically the received signal is looped back for re- transmission after it has passed through the device's framing function. dsx1LineLoop The received signal at this interface does not go through the device (minimum pene- tration) but is looped back out. dsx1OtherLoop Loopbacks that are not defined here. |
| INT dsx1SendCode | 1.3.6.1.2.1.10.18.6.1.7 | INTEGER | read-write | This variable indicates what type of code is being sent across the DS1 interface by the dev- ice. The values mean: dsx1SendNoCode sending looped or normal data dsx1SendLineCode sending a request for a line loopback dsx1SendPayloadCode sending a request for a payload loopback dsx1SendResetCode sending a loopback termination request dsx1SendQRS sending a Quasi-Random Signal (QRS) test pattern dsx1Send511Pattern sending a 511 bit fixed test pattern dsx1Send3in24Pattern sending a fixed test pattern of 3 bits set in 24 dsx1SendOtherTestPattern sending a test pattern other than those described by this object |
| INT dsx1SignalMode | 1.3.6.1.2.1.10.18.6.1.11 | INTEGER | read-write | 'none' indicates that no bits are reserved for signaling on this channel. 'robbedBit' indicates that T1 Robbed Bit Sig- naling is in use. 'bitOriented' indicates that E1 Channel Asso- ciated Signaling is in use. 'messageOriented' indicates that Common Chan- nel Signaling is in use either on channel 16 of an E1 link or channel 24 of a T1. |
| INT dsx1TimeElapsed | 1.3.6.1.2.1.10.18.6.1.3 | INTEGER | read-only | The number of seconds that have elapsed since the beginning of the current error-measurement period. |
| GAU dsx1TotalBESs | 1.3.6.1.2.1.10.18.9.1.9 | Gauge | read-only | The number of Bursty Errored Seconds (BESs) encountered by a DS1 interface in the previous 24 hour interval. |
| GAU dsx1TotalCSSs | 1.3.6.1.2.1.10.18.9.1.6 | Gauge | read-only | The number of Controlled Slip Seconds encoun- tered by a DS1 interface in the previous 24 hour interval. |
| GAU dsx1TotalDMs | 1.3.6.1.2.1.10.18.9.1.10 | Gauge | read-only | The number of Degraded Minutes (DMs) encoun- tered by a DS1 interface in the previous 24 hour interval. |
| dsx1TotalEntry | 1.3.6.1.2.1.10.18.9.1 | not-accessible | An entry in the DS1 Total table. | |
| GAU dsx1TotalESs | 1.3.6.1.2.1.10.18.9.1.2 | Gauge | read-only | The number of Errored Seconds encountered by a DS1 interface in the previous 24 hour interval |
| INT dsx1TotalIndex | 1.3.6.1.2.1.10.18.9.1.1 | INTEGER | read-only | The index value which uniquely identifies the DS1 interface to which this entry is applica- ble. The interface identified by a particular value of this index is the same interface as identified by the same value as a dsx1LineIndex object instance. |
| GAU dsx1TotalLCVs | 1.3.6.1.2.1.10.18.9.1.11 | Gauge | read-only | The number of Line Code Violations (LCVs) en- countered by a DS1 interface in the current 15 minute interval. |
| GAU dsx1TotalLESs | 1.3.6.1.2.1.10.18.9.1.8 | Gauge | read-only | The number of Line Errored Seconds encountered by a DS1 interface in the previous 24 hour in- terval. |
| GAU dsx1TotalPCVs | 1.3.6.1.2.1.10.18.9.1.7 | Gauge | read-only | The number of Path Coding Violations encoun- tered by a DS1 interface in the previous 24 hour interval. |
| GAU dsx1TotalSEFSs | 1.3.6.1.2.1.10.18.9.1.4 | Gauge | read-only | The number of Severely Errored Framing Seconds encountered by a DS1 interface in the previous 24 hour interval. |
| GAU dsx1TotalSESs | 1.3.6.1.2.1.10.18.9.1.3 | Gauge | read-only | The number of Severely Errored Seconds encoun- tered by a DS1 interface in the previous 24 hour interval. |
| dsx1TotalTable | 1.3.6.1.2.1.10.18.9 | not-accessible | The DS1 Total table. 24 hour interval. | |
| GAU dsx1TotalUASs | 1.3.6.1.2.1.10.18.9.1.5 | Gauge | read-only | The number of Unavailable Seconds encountered by a DS1 interface in the previous 24 hour in- terval. |
| INT dsx1TransmitClockSource | 1.3.6.1.2.1.10.18.6.1.12 | INTEGER | read-write | The source of Transmit Clock. 'loopTiming' indicates that the recovered re- ceive clock is used as the transmit clock. 'localTiming' indicates that a local clock source is used. 'throughTiming' indicates that recovered re- ceive clock from another interface is used as the transmit clock. |
| INT dsx1ValidIntervals | 1.3.6.1.2.1.10.18.6.1.4 | INTEGER | read-only | The number of previous intervals for which valid data was collected. The value will be 96 unless the interface was brought on-line within the last 24 hours, in which case the value will be the number of complete 15 minute intervals the since interface has been online. |
RFC description
Defines managed objects for DS1 (T1/E1) and E1 interface management per RFC 1406, including configuration, current, interval, and fractional groups.
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