8 x21 dte, X21 dte – ATL Telecom AM200 User Manual
Page 130
ATL User Guide
AM200 Modem
130
13.8.8 X21 DTE
The X21DTE connection on the AM200 is supplied via a 25way male D Type to 15Way male D Type Converter
Cable. The cable plugs into the RS530 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
4
3
Received Data A
104
2
4
Request To Send A
105
5
Clear To Send A
106
3
6
Data Set Ready A
107
7
Ground
102
8
8
Data Carrier Detect A
109
5
9
Received Clock B
115
14
10
Data Carrier Detect B
109
12
11
External Transmitter Timing B
113
13
12
Transmitted Clock B
114
13
Clear To Send B
106
10
14
Transmitted Data B
103
11
15
Transmitted Clock A
114
16
Received Data B
104
9
17
Received Clock A
115
7
18
Local Loopback
141
19
Request To Send B
105
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
6
25
Test Mode
142
25 way Male D-Type
Pin 1
15 way Male D-Type
Pin 1