Cisco EIA/TIA-449 (RS-449) DCE

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DB60 to DB37 EIA/TIA-449 DCE Cable Pinout (DB60 to DB37)

60 Pin1 Signal Description Direction 37 Pin Signal
J1-49
J1-48 MODE_1
GND Shorting group - - -
J1-46 Shield_GND Single - J2-1 Shield GND
J1-28
J1-27 RxD/TxD+
RxD/TxD- Twisted pair no. 11 <–
<– J2-4
J2-22 SD+
SD-
J1-13
J1-14 TxCE/TxC+
TxCE/TxC- Twisted pair no. 7 –>
–> J2-5
J2-23 ST+
ST-
J1-11
J1-12 TxD/RxD+
TxD/RxD- Twisted pair no. 6 –>
–> J2-6
J2-24 RD+
RD-
J1-1
J1-2 CTS/RTS+
CTS/RTS- Twisted pair no. 1 <–
<– J2-7
J2-25 RS+
RS-
J1-24
J1-23 TxC/RxC+
TxC/RxC- Twisted pair no. 9 –>
–> J2-8
J2-26 RT+
RT-
J1-9
J1-10 RTS/CTS+
RTS/CTS- Twisted pair no. 5 –>
–> J2-9
J2-27 CS+
CS-
J1-29
J1-30 NIL/LL
Circuit_GND Twisted pair no. 12 –>
- J2-10
J2-37 LL
SC
J1-7
J1-8 DTR/DSR+
DTR/DSR- Twisted pair no. 4 –>
–> J2-11
J2-29 DM+
DM-
J1-3
J1-4 DSR/DTR+
DSR/DTR- Twisted pair no. 2 <–
<– J2-12
J2-30 TR+
TR-
J1-5
J1-6 DCD/DCD+
DCD/DCD- Twisted pair no. 3 –>
–> J2-13
J2-31 RR+
RR-
J1-26
J1-25 RxC/TxCE+
RxC/TxCE- Twisted pair no. 10 <–
<– J2-17
J2-35 TT+
TT-
J1-15
J1-16 Circuit_GND
Circuit_GND Twisted pair no. 8 _
_ J2-19
J2-20 SG
RC

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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