| OID | 1.3.6.1.4.1.351.110.5.1.1.1.3.1.1.1 |
| Module | CISCO-WAN-FR-X21-MIB (CISCO) |
| Nom | x21portNum |
| Acces | readonly |
| Status | current |
| Description | This is logical port number. The HSSI backcard can support upto 3 ports. The X.21 back card can support 4 logical ports. |
| Syntaxe | Integer32 (1...4) |