Cisco Serial 8A/S Module Cisco NM-8A/S Cisco 8-Port Serial Network Module

Cisco NIM-2T NIM 2-Port Serial WAN Interface Module Smart Serial

Cisco PVDM3-64 V01 64-Channel Voice & Video DSP Router Module 73-11809-03

Cisco NM-4A/S Cisco 4-Port Sync Serial Network Module Cisco Serial 4A/S

Cisco WIC-2A/S 2 Port Serial Async Sync WIC WAN Interface Card

CISCO NM-8A/S 8-Port Async/Sync Serial Netzwerk Karte Network Module

Cisco NSE-1 Network Services Engine Module for 2600XM 2691 Series Routers

NM-ESW-16 with SM-NM-ADPTR for Cisco 2600, 2800, 3600, 3700, 3800, 2900, & 3900