All MIBs › CM-FACILITY-MIB › e1t1LineCode
e1t1LineCode
Module: CM-FACILITY-MIB
OID (symbolic): CM-FACILITY-MIB::e1t1LineCode
OID (numeric): 1.3.6.1.4.1.2544.1.12.4.1.50.1.15
Node type: OBJECT-TYPE
Type: E1T1LineCode
Access: read-write
Description: This object represents the E1/T1 Port Line Code. When the port is configured for a Line Type of T1, the valid values are t1-b8zs and t1-ami and the default value is t1-b8zs. When the port is configured for a Line Type of E1, the valid values are e1-hdb3 and e1-ami and the default value is e1-hdb3.
What is e1t1LineCode?
This object selects the line-encoding scheme the E1/T1 port uses on the wire, choosing between t1-b8zs or t1-ami for T1 lines and e1-hdb3 or e1-ami for E1 lines depending on the port's configured Line Type. Getting this wrong causes bipolar violations or bit-stuffing mismatches with the far-end equipment, so an admin sets it to match whatever encoding the carrier or connected device expects. For example, when connecting to a legacy T1 circuit that only supports AMI, the admin changes e1t1LineCode from the b8zs default to t1-ami to avoid line errors.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.2544.1.12.4.1.50.1.15 snmpwalk -v2c -c public <target> CM-FACILITY-MIB::e1t1LineCode
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.2544.1.12.4.1.50.1.15.1 snmpget -v2c -c public <target> CM-FACILITY-MIB::e1t1LineCode.1
Set instance 1 (SNMPv2c):
snmpset -v2c -c private <target> 1.3.6.1.4.1.2544.1.12.4.1.50.1.15.1 s <value>
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OID Breakdown
Upper-level ancestors (9 from the standard OID tree / other modules)
| Numeric OID | Name | Module |
|---|---|---|
| 1 | iso | LANART-AGENT |
| 1.3 | org | AirPair-MIB |
| 1.3.6 | dod | AirPair-MIB |
| 1.3.6.1 | internet | AirPair-MIB |
| 1.3.6.1.4 | private | AirPair-MIB |
| 1.3.6.1.4.1 | enterprises | AirPair-MIB |
| 1.3.6.1.4.1.2544 | advaMIB | ADVA-MIB |
| 1.3.6.1.4.1.2544.1 | products | ADVA-MIB |
| 1.3.6.1.4.1.2544.1.12 | fsp150cm | ADVA-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.2544.1.12.4 | cmFacilityMIB | CM-FACILITY-MIB |
| 1.3.6.1.4.1.2544.1.12.4.1 | cmFacilityObjects | CM-FACILITY-MIB |
| 1.3.6.1.4.1.2544.1.12.4.1.50 | e1t1Table | CM-FACILITY-MIB |
| 1.3.6.1.4.1.2544.1.12.4.1.50.1 | e1t1Entry | CM-FACILITY-MIB |
| 1.3.6.1.4.1.2544.1.12.4.1.50.1.15 | e1t1LineCode | CM-FACILITY-MIB |