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The High Speed Serial Interface (HSSI) is a single port, network module interface that supports speeds up to 52 Mbps over a Wide Area Network. The HSSI network module for the 3600 requires an external T3/E3 CSU for connectivity to the WAN, or can be used in a back-to-back configuration, without the requirement for an external CSU. For use in the Enterprise or Service Provider environment; the HSSI network module can be used for point-to-point connections, Frame-Relay services, or used with inverse multiplexers to distribute your bandwidth over multiple T1/E1 lines.
T3 (44.736 Mbps) E3 (34.368 Mbps) and subrates support
Single port HSSI interface
16 and 32 bit CRC
50 pin SCSI type II connector
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Product Number |
Cisco 2600 |
Cisco 3620/40 |
Cisco 3660 |
|---|---|---|---|
|
NM-1HSSI |
No |
11.3(3)T |
12.0(5)T |
Cables:
CAB-HSI1 - HSSI: Cable to TE/E3 CSU, male-to-male connectors, 10 ft
CAB-HNUL - HSSI: Back-to-back connection cable, male-to-male connectors, 10 ft
Restrictions
Maximum 1 supported per 3620
Maximum 3 supported per 3640
Maximum 6 supported per 3660
Currently not supported in the Cisco 2600 series.