A-14 – Nortel Networks Passport 4400 User Manual
Page 130
Cable Diagram Pin Assignments
Passport 4400 Hardware Installation Manual
A-14
Figure A-11. Cable Model No. NTAU25AA - 4400 to DTE
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Receive Data A
20
4
Receive Data B
45
22
Receive Clock A
22
17
Receive Clock B
47
35
External Transmit Data Clock A
8
8
External Transmit Clock B
33
26
Transmit Data A
6
6
Transmit Data B
31
24
External Receive Data Clock A
7
5
External Receive Data Clock B
32
23
Clear to Send A
9
7
Clear to Send B
34
37
Data Set Ready A
10
12
Data Set Ready B
35
37
Carrier Detect A
11
16
Carrier Detect B
36
37
Request to Send
12
9
Ground
48
27
Unassigned
13
13
Ground
49
29
Data Terminal Ready
37
11
Ground
50
31
DTE COM
18
20
Ground
43
19
DCE COM
19
37
External Select A (EXT SEL A)
1
Ground
26
Cable In
14
Ground
39
37-Pin
V.36 Female
To 4400
To Data Terminal
Equipment (DTE)
MD50
Male
Type 2 cables: Receivers shall have one terminal connection for each input terminal
at the load interchange points.