Appendix B Cable Specifications

BITS Port Pinouts

BITS Port Pinouts

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

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

 

 

 

 

Time of Day Pinouts

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

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

 

 

 

 

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-8summarizes 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.

Cisco ASR 901 Series Aggregation Services Router Hardware Installation Guide

 

B-6

OL-23778-01

 

 

 

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Cisco Systems ASR 9014CFD, A9014CFD manual Bits Port Pinouts, Time of Day Pinouts, GPS Port Pinouts