Cisco Systems ASR 903 manual Alarm Port Pinout, Console/Aux RJ45 RS232 Serial Port Pinout

Models: ASR 903

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RJ45 1PPS/ToD Port Pinout (continued)

Chapter 5 Troubleshooting

Pinouts

Table 5-3

RJ45 1PPS/ToD Port Pinout (continued)

 

 

 

 

Pin

Signal Name

Direction

Description

 

 

 

 

 

7

TOD_P

 

Output or Input

Time of Day

 

 

 

 

character

 

 

 

 

8

TOD_N

Output or Input

Time of Day

 

 

 

 

character

 

 

 

 

 

Alarm Port Pinout

Table 5-4summarizes the external alarm input pinout.

Table 5-4

External Alarm Input Pinout

 

 

 

Pin

Signal Name

Description

 

 

 

1

ALARM0_IN

Alarm input 0

 

 

 

2

ALARM1_IN

Alarm input 1

 

 

 

 

3

 

 

No connect

 

 

 

4

ALARM2_IN

Alarm input 2

 

 

 

5

ALARM3_IN

Alarm input 3

 

 

 

 

6

 

 

No connect

 

 

 

 

7

 

 

No connect

 

 

 

8

COMMON

Alarm common

 

 

 

 

Console/Aux RJ45 RS232 Serial Port Pinout

Table 5-5summarizes the console/aux RJ45 RS232 serial port pinout.

Table 5-5

Console/Aux RJ45 RS232 serial port

 

 

 

 

 

Pin

Signal Name

Direction

Description

 

 

 

 

1

RTS

Output

Request to send

 

 

 

 

2

DTR

Output

Data Terminal Ready (always On).

 

 

 

 

3

TXD

Output

Transmit data

 

 

 

 

4

RI

 

Ring Indicator

 

 

 

 

5

GND

 

 

 

 

 

 

6

RXD

Input

Receive data

 

 

 

 

7

DSR/DCD

Input

Data set ready/Data Carrier detect

 

 

 

 

8

CTS

Input

Clear to send

 

 

 

 

Cisco ASR 903 Router Hardware Installation Guide

 

OL-25178-04

5-3

 

 

 

Page 105
Image 105
Cisco Systems 903 manual Alarm Port Pinout, Console/Aux RJ45 RS232 Serial Port Pinout, RJ45 1PPS/ToD Port Pinout continued