Table of Contents
Advertisement
Link Interfaces Reference
The connector shown here and pinouts described here correspond to
CCITT
Contact
Circuit
Number
Number
1
101
2
103
3
104
5
106
6
107
7
102
8
109
20
108.2
22
125
The connecting cable must be a shielded cable.
When connecting the router console directly to a modem, a null modem cable must be used because both
the router console and the modem are DCE devices. A null modem cable with pinouts according to the
following figure must be used.
Console Pinouts
the connector labeled "Console" on the back of the unit.
13
25
DB25 Female DCE
Circuit
AA
BA
BB
CB
CC
AB
CF
Received Line Signal Detector (CD)
CD
CE
Figure 3 - 3 Console Pinouts
Contact Number
8
3
2
20
7
4
5
22
Figure 3 - 4 Console Null Modem Cable Pinouts
1
14
Circuit
Name
Protective Ground
Transmitted Data
Received Data
Clear to Send
Data Set Ready
Signal Ground
Data Terminal Ready
Ring Indicator
Modem Contact
Number
20
2
3
8
7
5
4
22
32
Direction
To
From
DCE DCE
NA
X
X
X
X
NA
X
X
X
Advertisement
Table of Contents
