Cisco Network Interface Module - Expansion module - FXS/DID x 2 + FXO x 4 - for Integrated Services Router 4221, 4321, 4331, 4351, 4431 More information: General | Form Factor | Plug-in module |  | Device Type | Expansion module | Expansion / Connectivity | Interfaces | 2 x FXS/DID ¦ 4 x FXO | Networking | Features | Management Information Base (MIB), echo cancellation | | Connectivity Technology | Wired | | Network / Transport Protocol | RTP, RTCP | | Compliant Standards | G.711, G.729a, G.726, ITU-T H.323 | | Remote Management Protocol | SNMP | | Ports | FXS/DID x 2 + FXO x 4 | Miscellaneous | Compliant Standards | VCCI, CISPR 24, CISPR 22, DR PTC220, CS-03, AS/ACIF S002, EN 61000-3-2:2006, KN22, EN 300 386 V1.6.1, EN 55022:2010, ICES-003 issue 5, TIA-968-B | Software / System Requirements | OS Required | Cisco IOS XE 16.5 and above | Compatibility Information | Designed For | Cisco Integrated Services Router 4221, 4321, 4331, 4351, 4431 |
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