
3-8
Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Hardware Installation Guide
OL-14126-03
Chapter 3 Overview: Cisco ASR 1000 Series Aggregation Services Routers Shared Port Adapters
4-Port Serial Interface SPA Overview
Use EIA/TIA-232 for speeds of 128 kilobits per second (kbps) and below. Use X.21 for speeds less than
2 Mbps. Use EIA/TIA-449, V.35, EIA/TIA-530, or EIA/TIA-530A for higher speeds.
4-Port Serial Interface SPA Cables, Connectors, and Pinouts
The 4-Port Serial Interface SPA uses Smart Serial cable interfaces that support two independent serial
interface ports. The serial end of the Smart Serial cable is a 26-pin connector.
lists the 4-Port Serial Interface SPA cable interfaces.
shows the Smart Serial cable connectors.
Table 3-6
4-Port Serial Interface SPA Cables
Product Number
Cable Type
Length
Connector Type
CAB-SS-V35MT
V.35 DTE
10 feet (3 meters)
Male
CAB-SS-V35FC
V.35 DCE
10 feet (3 meters)
Female
CAB-SS-232MT
EIA/TIA-232 DTE
10 feet (3 meters)
Male
CAB-SS-232FC
EIA/TIA-232 DCE
10 feet (3 meters)
Female
CAB-SS-449MT
EIA/TIA-449 DTE
10 feet (3 meters)
Male
CAB-SS-449FC
EIA/TIA-449 DCE
10 feet (3 meters)
Female
CAB-SS-X21MT
X.21 DTE
10 feet (3 meters)
Male
CAB-SS-X21FC
X.21 DCE
10 feet (3 meters)
Female
CAB-SS-530MT
EIA/TIA-530 DTE
10 feet (3 meters)
Male
CAB-SS-530AMT
EIA/TIA-530A DTE 10 feet (3 meters)
Male