SNMP553S-MGMT-MIB :: snmp553sExtModemPresent

MIB Reference — IPNetwork Monitor · Updated October 06, 2026

All MIBs › SNMP553S-MGMT-MIB › snmp553sExtModemPresent

snmp553sExtModemPresent

Module: SNMP553S-MGMT-MIB

OID (symbolic): SNMP553S-MGMT-MIB::snmp553sExtModemPresent

OID (numeric): 1.3.6.1.4.1.498.6.3.3.1.3

Node type: OBJECT-TYPE

Type: INTEGER

Access: read-only

Description: Identifies whether or not an external modem is attached to the modem ppp interface.

What is snmp553sExtModemPresent?

This read-only enumeration (notPresent, present) reports whether an external modem is attached to the unit's modem PPP interface, letting an admin confirm out-of-band modem connectivity is physically in place before troubleshooting a dial-up management path.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.498.6.3.3.1.3
snmpwalk -v2c -c public <target> SNMP553S-MGMT-MIB::snmp553sExtModemPresent

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.498.6.3.3.1.3.1
snmpget -v2c -c public <target> SNMP553S-MGMT-MIB::snmp553sExtModemPresent.1

SNMPv3 example:

snmpget -v3 -l authPriv -u snmpv3-user -a SHA -A "AuthPassword1" -x AES -X "PrivPassword1" <target> snmp553sExtModemPresent.1

Start monitoring General DataComm 553S DSU/CSU shelf systems (unit config/cascade/diagnostics status) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the SNMP553S-MGMT-MIB::snmp553sExtModemPresent OID value, configure state conditions and alerts, and monitor any General DataComm 553S DSU/CSU shelf systems (unit config/cascade/diagnostics status) from a single console.

OID Breakdown

Upper-level ancestors (8 from the standard OID tree / other modules)
Numeric OIDNameModule
1isoLANART-AGENT
1.3orgAirPair-MIB
1.3.6dodAirPair-MIB
1.3.6.1internetAirPair-MIB
1.3.6.1.4privateAirPair-MIB
1.3.6.1.4.1enterprisesAirPair-MIB
1.3.6.1.4.1.498gdcDMA200-MIB
1.3.6.1.4.1.498.6dsx1GDC-5553-MIB
Numeric OIDNameModule
1.3.6.1.4.1.498.6.3snmp553sSNMP553S-MGMT-MIB
1.3.6.1.4.1.498.6.3.3snmp553sMaintenanceTableSNMP553S-MGMT-MIB
1.3.6.1.4.1.498.6.3.3.1snmp553sMaintenanceEntrySNMP553S-MGMT-MIB
1.3.6.1.4.1.498.6.3.3.1.3snmp553sExtModemPresentSNMP553S-MGMT-MIB