HP J3138A Installation Manual page 76

Cable Specifications
Synchronous Serial Cable Assemblies and Pinouts
Table A-6. EIA/TIA-232 DCE Cable Pinouts (DB-60 to DB-25)
A-10
60 Pin Signal Description
J1-50 MODE_0 Shorting group
J1-51 GND
J1-46 Shield GND Single
J1-36 RxD/TxD Twisted pair no. 9
Shield –
J1-41 TxD/RxD Twisted pair no. 5
Shield –
J1-35 CTS/RTS Twisted pair no. 10
Shield –
J1-42 RTS/CTS Twisted pair no. 4
Shield –
J1-43 DTR/DSR Twisted pair no. 3
Shield –
J1-45 Circuit GND Twisted pair no. 1
Shield –
J1-44 LL/DCD Twisted pair no. 2
Shield –
J1-39 TxCE/TxC Twisted pair no. 7
Shield –
J1-40 NIL/RxC Twisted pair no. 6
Shield –
J1-33 DCD/LL Twisted pair no. 12
Shield –
J1-34 DSR/DTR Twisted pair no. 11
Shield –
J1-38 RxC/TxCE Twisted pair no. 8
Shield –
Direction 25 Pin Signal
– – –
– J2-1 Shield GND
<— J2-2 TxD
– Shield –
—> J2-3 RxD
– Shield –
<— J2-4 RTS
– Shield –
—> J2-5 CTS
– Shield –
—> J2-6 DSR
– Shield –
– J2-7 Circuit GND
– Shield
—> J2-8 DCD
– Shield –
—> J2-15 TxC
– Shield –
—> J2-17 RxC
– Shield –
<— J2-18 LTST
– Shield –
<— J2-20 DTR
– Shield –
<— J2-24 TxCE
– Shield –