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Cable DiagramsPassport 4400 Hardware Installation Manual
A-12
Figure A-10. Cable NTAU23AA - Passport 4430, 4450, 4455 to DTE Equipment
37-Pin
V.36 Female
To Data Terminal
Equipment (DTE)
50-Pin Male
Receive Data A 20 4
Receive Data B 45 22
22 17
Receive Clock B 47 35
External Transmit Data Clock A 8 8
External Transmit Data 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 25
Data Set Ready A
10
12
Data Set Ready B 35 30
Carrier Detect A 11 16
Carrier Detect B 36 34
Request to Send 12 9
Ground 48 27
Unassigned
13 13
Ground 49 31
Data Terminal Ready 37 11
Ground 50 29
Ground 18 20
Ground 43 19
1
Ground 26
Ground
14
39
To Passport
Type 1 Cables: Receivers shall have both input terminals connected to individual
terminals at the load interchange point, independent of all other receivers.
Cable Type A
Cable Present Status
Receive Clock A