Used Cisco 3600 Series
-
Serial Connectivity Network Modules
Part # NM-1HSSI
Product Description: One-Port High Speed
Serial Interface (HSSI)
for
3660, 3640, and 3620 routers -
supports speeds up to 52 Mbps;
supports a range of connectivity options: ATM, Frame Relay,
PPP, and SMDS; and supports
EIA/TIA-612 and EIA/TIA-613 specifications at T3,
E3, SONET OC1/STS-1 and NXT1 subrates.