Cisco Systems OL-31454-01 Manual De Usuario

This section provides the pinouts for the five serial cables for the 8-Port Async/Sync RS-232 GRWIC.

The RS-232 DB-25 connector is capable of supporting two separate connections, each with its own 
optional clock when used in Synchronous mode or Bit-Synchronous mode. 

 shows the pinouts 

for the CAB-HD4-232FC and CAB-HD4-232MT serial cables.

In the Direction column, Input means data input to the CGR 2010 router; Output means output from the 
CGR 2010 router.

CAB-QUAD-ASYNC-F
PN: 37-1298-01

4-port EIA-232 DTE

18 in. (0.46m)

Female RJ-45

CAB-QUAD-ASYNC-M
PN: 37-1303-01

4-port EIA-232 DTE

10 ft. (3m)

Male RJ-45

CAB-9AS-M
PN: 37-1300-01

4-port EIA-232 DTE

10 ft. (3m)

Male DB-9

1

SHIELD 
GND

—

Shield Ground

2

TXD

Input 

Transmit Data. Arriving data from DCE.

3

RXD

Output

Transmit Data. Sending data from DTE.

4

RTS

Input

Request to Send

5

CTS

Output

Clear to Send

6

DSR

Output

Data Set Ready

7

GND

—

 Ground

8

DCD

Output

Carrier Detect 

9

—

—

Reserved for data set testing.

10

—

—

Reserved for data set testing.

11

—

—

Unassigned

12

—

—

Unassigned

13

—

—

Unassigned

14

—

—

Unassigned

15

TXC

Output

Transmit Clock