ATL User Guide
AM200 Modem
129
13
13.8.7 X21 DCE
The X21DCE connection on the AM200 is supplied via a 25way male D Type to 15Way female D Type
Converter Cable. The cable plugs into the RS530 connector on the back of the AM200.
25 Way D Type Pin
Out
Name CCT 15 Way D Type Pin
Out
1
Shield 101
1
2
Transmitted Data A 103
2
3
Received Data A 104
4
4
Request To Send A 105
3
5
Clear To Send A 106
6
Data Set Ready A 107
7
Ground 102
8
8
Data Carrier Detect A 109
5
9
Received Clock B 115
13
10
Data Carrier Detect B 109
12
11
External Transmitter Timing B 113
14
12
Transmitted Clock B 114
13
Clear To Send B 106
14
Transmitted Data B 103
9
15
Transmitted Clock A 114
16
Received Data B 104
11
17
Received Clock A 115
6
18
Local Loopback 141
19
Request To Send B 105
10
20
Data Terminal Ready A 108
21
Remote Loopback 140
22
Data Set Ready B 107
23
Data Terminal Ready B 108
24
External Transmitter Timing A 113
7
25
Test Mode 142
25 way Male D-Type
Pin 1
Pin 1
15 way Female D-Type
