Appendix B Cable Specifications

Alarm Port Pinouts

Table B-8

GPS Port Pinouts for the Cisco ASR 901 router

 

 

 

 

 

 

10 Mhz

1PPS

 

 

 

 

Waveform

 

Input—Sine wave

Input—Pulse shape

 

 

Output—Square wave

Output—Pulse shape

 

 

 

 

Amplitude

 

Input— > 1.7 volt p-p

Input— > 2.4 volts TTL

 

 

(+8 to +10 dBm)

compatible

 

 

Output— > 2.4 volts TTL

Output— > 2.4 volts TTL

 

 

compatible

compatible

 

 

 

 

Impedance

 

50 ohms

50 ohms

 

 

 

 

Pulse Width

 

50% duty cycle

26 microseconds

 

 

 

 

Rise Time

 

Input—AC coupled

40 nanoseconds

 

 

Output—5 nanoseconds

 

 

 

 

 

The 1PPS interface type is Series 1.0 / 2.3, 50 ohms.

For instructions on how to configure the 10 Mhz and 1PPSs ports, see the Cisco ASR 901 router Mobile Wireless Software Configuration Guide.

Alarm Port Pinouts

Table B-9list the pinouts for the alarm port (RJ45) on the Cisco ASR 901 router.

Table B-9

Alarm port Pinout

 

 

 

 

Pin

Signal Name

Description

 

 

 

1

Alarm input 1

 

 

 

 

2

Alarm input 2

 

 

 

 

3

 

Not connected

 

 

 

4

Alarm input 3

 

 

 

 

5

Alarm input 4

 

 

 

 

6

 

Not connected

 

 

 

7

 

Not connected

 

 

 

8

 

Not connected

 

 

 

Management Ethernet Port Pinouts

Table B-10list the pinouts for the management ethernet port (RJ45) on the Cisco ASR 901 router.

Cisco ASR 901 Series Aggregation Services Router Hardware Installation Guide

 

OL-23778-01

B-7

 

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Cisco Systems A9014CFD manual Alarm Port Pinouts, Management Ethernet Port Pinouts, 10 Mhz, Pin Signal Name Description