TDM ports are supported on the following cards, modules, and platforms:
16-port T1/E1 ASAP Adapter Card
32-port T1/E1 ASAP Adapter Card
2-port OC3/STM1 Channelized Adapter Card
4-port OC3/STM1 / 1-port OC12/STM4 Adapter Card
4-port DS3/E3 Adapter Card
8-port Voice & Teleprotection Card
8-port C37.94 Teleprotection Card
12-port Serial Data Interface Card
4-port T1/E1 and RS-232 Combination Module
7705 SAR-A
7705 SAR-Hc
7705 SAR-M
7705 SAR-X