Cable DiagramsPassport 4400 Hardware Installation Manual
A-10
Figure A-8. Cable NTAU19AA - Passport 4430, 4450, 4455 to DTE Equipment
Note:
This cable sets the CTS high, regardless of the idle character
setting. You can use cable NT0263AA (Figure A-9.) in place of
cable NTAU19AA.
25-Pin RS-232
Female
50-Pin Male
To Passport
Data Terminal
Equipment (DTE)
Clear to Send 9 4 Request to Send
Data Set Ready 10 20 Data Terminal Ready
Carrier Detect 11 11 Unassigned
Request to Send 12 5 Clear to Send
Unassigned 13 8 Carrier Detect
Data Terminal Ready 37 6 Data Set Ready
15 15 Serial Clock Transmit A
40 17 Serial Clock Receive A
16 3 Receive Data
41 2 Transmit Data
42 24 Serial Clock Transmit External
Ground 43 7 Signal Ground
Cable Present Status 14
Ground 39
Receive Data B 45
Ground 48
Transmit Clock B 46
Ground 49
Receive Clock B 47
Ground 50 1 Frame Ground
External Receive Clock
External Transmit Clock
Transmit Data
Receive Data
Receive Data Clock
To Data Terminal
Equipment (DTE)