Cisco Systems 901 User Manual download pdf (Page 60)

B-6

Cisco ASR 901 Series Aggregation Services Router Hardware Installation Guide

OL-23778-01

Appendix B Cable Specifications

BITS Port Pinouts

Table B-6 list the pinouts for the BITS interface RJ-45 port on the Cisco ASR 901 router.

Time of Day Pinouts

Table B-6 list the pinouts for the Time of Day RJ-45 interface on the Cisco ASR 901 router.

GPS Port Pinouts

The Cisco ASR 901 router has a 10Mhz and a 1PPS GPS port that allow you to configure input or output

clocking with a GPS device.

Table B-8 summarizes the pinouts for the 10Mhz and 1PPS interfaces.

Note For pinouts related to ToD and 1PPS using the BITS interface, see Console Port Signals and Pinouts.

Table B-6 BITS Pinouts for the Cisco ASR 901 router

Pin Signal Name Direction Description

1 RX ring Input Receive ring

2 RX tip Input Receive tip (T1/E1)

3 Not connected

4 TX ring Output Transmit ring

5 TX tip Output/input Transmit tip (T1/E1)

6 Not connected

7 Not connected

8 Not connected

Table B-7 Time of Day RJ45 Interface Pinout

Pin Signal Name Direction Description

1 Not connected

2 Not connected

3 Not connected

4 Ground

5 Ground

6 Not connected

7 TOD_N Output/Input Time of Day RS422 differential input

or output

8 TOD_P Output/Input Time of Day RS422 differential input

or output

1 2 ... 55 56 57 58 59 60 61 62 63 64 65 66 67 68

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Cisco Systems 901 User Manual Page 60