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Cable Diagram Pin Assignments Passport 4400 Hardware Installation Manual
A-7
Figure A-4. Cable Model No. NTAU20AA - 4400 to DCE Equipment
To 4400
Data Terminal
Equipment (DTE)
To Data
Communication
Equipment (DCE)
NC NC
NC NC
NC NC
Receive Data A 20 R Receive Data A (RD A)
Receive Data B 45 T Receive Data B (RD B)
Transmit Data Clock A 21 Y Serial Clock Transmit External A (SCT A)
Transmit Data Clock B 46 AA Serial Clock Transmit External B (SCT B
Receive Data Clock A 22 V Serial Clock Receive A (SCR A)
Receive Data Clock B 47 X Serial Clock Receive B (SCR B)
TransmitData 3 P Send Data A (SD A)
Transmit Data B 28 S Send Data B (SD B)
External Data Transmit Clock A 5 U Serial Clock Transmit A (SCT A)
External Data Transmit Clock B 30 W Serial Clock Transmit B (SCT B)
Data Terminal Ready (DTR) 37 H Data Terminal Ready (DTR)
Unassigned 13 BB Unassigned (UN A)
Request to Send (RTS) 12 C Request to Send (RTS)
Ground 43 B Signal Ground (S GND)
Clear to Send A (CTS A) 9 D Clear to Send (CTS)
Data Set Ready A (DSR A) 10 E Data Set Ready (DSR)
Carrier Detect A (DC A) 11 F Carrier Detect (CD)
Cable Present Status 14
Ground 39
External Select B 2
Ground 27
V.35 G1 23
Ground 48
V.35 G2 24
Ground 49
V.35G3 25
Ground 50
34-Pin
V.35 Male
MD50
Male