SNMP553S-MGMT-MIB :: snmp553sUnitSerialNumber

MIB Reference — IPNetwork Monitor · Updated October 06, 2026

All MIBs › SNMP553S-MGMT-MIB › snmp553sUnitSerialNumber

snmp553sUnitSerialNumber

Module: SNMP553S-MGMT-MIB

OID (symbolic): SNMP553S-MGMT-MIB::snmp553sUnitSerialNumber

OID (numeric): 1.3.6.1.4.1.498.6.3.3.1.8

Node type: OBJECT-TYPE

Type: OCTET STRING

Access: read-only

Description: This object returns the GDC 8-byte unit serial number in 16 nibbles. Each device has a unique serial number of the form: 00xx0pmmddyy#### where xx = Product type: 26 - NMS553C products 27 - NMS553D products 43 - 553SD products 44 - 553SC products p = Source of Software 1 - Software programmed by manufacturing ' 9 - Software programmed by engineering mm = Month of manufacture dd = Day of manufacture yy = Year of manufacture #### = Daily manufacturing sequence number.

What is snmp553sUnitSerialNumber?

This read-only 16-nibble octet string is the unit's unique 8-byte GDC serial number, encoding product type, software source, and manufacture date/sequence, which an admin uses to positively identify a specific physical unit for inventory or RMA purposes.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.498.6.3.3.1.8
snmpwalk -v2c -c public <target> SNMP553S-MGMT-MIB::snmp553sUnitSerialNumber

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.498.6.3.3.1.8.1
snmpget -v2c -c public <target> SNMP553S-MGMT-MIB::snmp553sUnitSerialNumber.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::snmp553sUnitSerialNumber 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
1.3.6.1.4.1.498.6.3.3.1.8snmp553sUnitSerialNumberSNMP553S-MGMT-MIB