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Data ModulesPassport 4400 Hardware Installation Module
7-2
Figure 7-2. Pin Assignments for all Data Modules
Pin 1
V.24/RS232 Receive Data
V.24/RS232 Receive Data Clock
V.24/RS232 External Transmit Data Clock
V.35 Transmit Data
V.35 External Receive Data Clock
V.35 External Transmit Data Clock
V.36/X.21 Transmit Data
V.36/X.21 External Receive Clock
V.36 External Transmit Clock/X.21
V.35/V.36/X.21 Receive Data
V.35/V.36/X.21 Transmit Data Clock
V.35/V.36 Receive Data Clock/X.21 Indication
V.24/RS232/V.35/V.36 Ready to Send
V.24/RS232/V.35/V.36 Data Terminal Ready
Unassigned
V.24/RS232/V.35/V.36 Clear to Send/ X.21
V.24/RS232/V.35/V.36 Carrier Detect
V.35 Input Termination Ground
Interface Type Indication
Cable Present Status
DTE Signal Return
Logic Ground
Logic Ground
Logic Ground
41
42
40
3, 28
4, 29
5, 30
6, 31
7, 32
8, 33
20, 45
21, 26
22, 47
12
37
13
9, 34
11, 36
23, 24, 25
1, 2
14
18
26, 27, 39
43, 48, 49
50
MD 50
Reserved
19, 38, 44
V.24/RS232 Transmit Data
V.24/RS232 Transmit Data Clock
V.24/RS232 External Receive Data Clock
16
17
15
V.24/RS232/V.35/V.36 Data Set Ready
10, 35