B-1
Cisco ASR 901 Series Aggregation Services Router Hardware Installation Guide
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APPENDIX
B
Cable Specifications
If you prefer to build your own cables, this appendix provides cable specifications for the Cisco ASR 901
router.
This appendix includes the following sections:
• Gigabit Ethernet Connector Pinouts, page B-1
• SFP Port Pinouts and Cable Specifications, page B-2
• T1/E1 Port Pinouts, page B-2
• Console Port Signals and Pinouts, page B-3
• BITS Port Pinouts, page B-6
• Time of Day Pinouts, page B-6
• GPS Port Pinouts, page B-6
• Alarm Port Pinouts, page B-7
• Management Ethernet Port Pinouts, page B-7
Gigabit Ethernet Connector Pinouts
This section illustrates the Gigabit Ethernet RJ-45 connector and lists its pinout and signal descriptions.
Note that the RJ-45 ports are capable of operating in both 100BaseT and 1000BaseT modes.
Figure B-1 shows the RJ-45 connector and port, and Table B-1 lists the connector pinouts and signals.
Figure B-1 RJ-45 Connector and Port
Table B-1 RJ-45 Connector Pinouts
Pin FE Signal GE Signal
1 TX data+ TX A+
2 TX data– TX A–
205053
12345678