Cisco X.21 DCE

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DB60 to DB15 X.21 DCE Cable Pinout (DB-60 to DB-15)

60 Pin1 Signal Description Direction 15 Pin Signal
J1-48
J1-47
GND MODE_2 Shorting group - - -
J1-46 Shield_GND Single - J2-1 Shield GND
J1-28
J1-27
RxD/TxD+
RxD/TxD-
Twisted pair no. 6
J2-2
J2-9
Transmit+
Transmit-
J1-1
J1-2
CTS/RTS+
CTS/RTS-
Twisted pair no. 1
J2-3
J2-10
Control+
Control-
J1-11
J1-12
TxD/RxD+
TxD/RxD-
Twisted pair no. 3
J2-4
J2-11
Receive+
Receive-
J1-9
J1-10
RTS/CTS+
RTS/CTS-
Twisted pair no. 2
J2-5
J2-12
Indication+
ndication-
J1-24
J1-23
TxC/RxC+
TxC/RxC-
Twisted pair no. 4
J2-6
J2-13
Timing+
Timing-
J1-15
Shield
Control_GND
-
Twisted pair no. 5 -
-
J2-8
Shield
Control GND
-

Notes

  • Arrows indicate signal direction: → indicates DTE to DCE, and ← indicates DCE to DTE.
  • (1) Any pin not referenced is not connected.

References

Category:Serial Cables

 

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