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Serial Cable Assemblies and Pinouts

The following illustrations and tables provide assembly drawings and pinouts for the EIA-530 DCE, and EIA/TIA-232, EIA/TIA-449, V.35, and X.21 DTE and DCE cables.

EIA-530

Figure D-1 shows the EIA-530 serial cable assembly, and Table D-3 lists the pinouts.

Figure D-1. EIA-530 Serial Cable Assembly

graphics/dfig01.gif

Arrows indicate signal direction: graphics/u2192.gif indicates DTE to DCE, and graphics/u2190.gif indicates DCE to DTE.

Table D-3. EIA-530 DTE Cable Pinout (DB-60 to DB-25)
60 Pin [1] Signal 25 Pin Signal Direction DTE DCE [2]
J1-11 TxD/RxD+ J2-2 BA(A), TxD+ graphics/u2192.gif
J1-12 TxD/RxD “ J2-14 BA(B), TxD- graphics/u2192.gif
J1-28 RxD/TxD+ J2-3 BB(A), RxD+ graphics/u2190.gif
J1-27 RxD/TxD “ J2-16 BB(B), RxD- graphics/u2190.gif
J1-9 RTS/CTS+ J2-4 CA(A), RTS+ graphics/u2192.gif
J1-10 RTS/CTS- J2-19 CA(B), RTS- graphics/u2192.gif
J1-1 CTS/RTS+ J2-5 CB(A), CTS+ graphics/u2190.gif
J1-2 CTS/RTS- J2-13 CB(B), CTS- graphics/u2190.gif
J1-3 DSR/DTR+ J2-6 CC(A), DSR+ graphics/u2190.gif
J1-4 DSR/DTR- J2-22 CC(B), DSR- graphics/u2190.gif
J1-46 Shield_GND J2-1 Shield Shorted
J1-47 MODE_2 - -  
J1-48 GND - - Shorted
J1-49 MODE_1 - -  
J1-5 DCD/DCD+ J2-8 CF(A), DCD+ graphics/u2190.gif
J1-6 DCD/DCD- J2-10 CF(B), DCD- graphics/u2190.gif
J1-24 TxC/RxC+ J2-15 DB(A), TxC+ graphics/u2190.gif
J1-23 TxC/RxC- J2-12 DB(B), TxC- graphics/u2190.gif
J1-26 RxC/TxCE+ J2-17 DD(A), RxC+ graphics/u2190.gif
J1-25 RxC/TxCE- J2-9 DD(B), RxC- graphics/u2190.gif
J1-44 LL/DCD J2-18 LL graphics/u2192.gif
J1-45 Circuit_GND J2-7 Circuit_ GND -
J1-7 DTR/DSR+ J2-20 CD(A), DTR+ graphics/u2192.gif
J1-8 DTR/DSR- J2-23 CD(B), DTR- graphics/u2192.gif
J1-13 TxCE/TxC+ J2-24 DA(A), TxCE+ graphics/u2192.gif
J1-14 TxCE/TxC “ J2-11 DA(B), TxCE “ graphics/u2192.gif

[1] Any pin not referenced is not connected.

[2] The EIA-530 interface cannot be operated in DCE mode. A DCE cable is not available for the EIA-530 interface.

EIA/TIA-232

Figure D-2 shows the EIA/TIA-232 cable assembly; Table D-4 lists the DTE pinout; and Table D-5 lists the DCE pinout. Arrows indicate signal direction: graphics/u2192.gif indicates DTE to DCE, and graphics/u2190.gif indicates DCE to DTE.

Figure D-2. EIA/TIA-232 Cable Assembly

graphics/dfig02.gif

Table D-4. EIA/TIA-232 DTE Cable Pinout (DB-60 to DB-25)
60 Pin [1] Signal Description Direction 25 Pin Signal
J1-50 MODE_0 Shorting group - - -
J1-51 GND Shorting group - - -
J1-52 MODE_DCE Shorting group - - -
J1-46 Shield GND Single - J2-1 Shield GND
J1-41 TxD/RxD Twisted pair no. 5 graphics/u2192.gif J2-2 TxD
Shield -     Shield -
J1-36 RxD/TxD Twisted pair no. 9 graphics/u2190.gif J2-3 RxD
Shield -   - Shield -
J1-42 RTS/CTS Twisted pair no. 4 graphics/u2192.gif J2-4 RTS
Shield -   - Shield -
J1-35 CTS/RTS Twisted pair no. 10 graphics/u2192.gif J2-5 CTS
Shield -   - Shield -
J1-34 DSR/DTR Twisted pair no. 11 graphics/u2190.gif J2-6 DSR
Shield -   - Shield -
J1-45 Circuit GND Twisted pair no. 1 - J2-7 Circuit GND
Shield -   - Shield -
J1-33 DCD/LL Twisted pair no. 12 graphics/u2190.gif J2-8 DCD
Shield -   - Shield -
J1-37 TxC/NIL Twisted pair no. 8 graphics/u2190.gif J2-15 TxC
Shield -   - Shield -
J1-38 RxC/TxCE Twisted pair no. 7 graphics/u2190.gif J2-17 RxC
Shield -   - Shield -
J1-44 LL/DCD Twisted pair no. 2 graphics/u2192.gif J2-18 LTST
Shield -   - Shield -
J1-43 DTR/DSR Twisted pair no. 3 graphics/u2192.gif J2-20 DTR
Shield - - Shield -  
J1-39 TxCE/TxC Twisted pair no. 6 graphics/u2192.gif J2-24 TxCE
Shield -   - Shield -

[1] Any pin not referenced is not connected.

Table D-5. EIA/TIA-232 DCE Cable Pinout (DB-60 to DB-25)
60 Pin [1] Signal Description Direction 25 Pin Signal
J1-50 MODE_0 Shorting group - - -
J1-51 GND Shorting group - - -
J1-46 Shield GND Single - J2-1 Shield GND
J1-36 RxD/TxD Twisted pair no. 9 graphics/u2190.gif J2-2 TxD
Shield -   - Shield -
J1-41 TxD/RxD Twisted pair no. 5 graphics/u2192.gif J2-3 RxD
Shield -   - Shield -
J1-35 CTS/RTS Twisted pair no. 10 graphics/u2190.gif J2-4 RTS
Shield -   - Shield -
J1-42 RTS/CTS Twisted pair no. 4 graphics/u2192.gif J2-5 CTS
Shield -   - Shield -
J1-43 DTR/DSR Twisted pair no. 3 graphics/u2192.gif J2-6 DSR
Shield -   - Shield -
J1-45 Circuit GND Twisted pair no. 1 - J2-7 Circuit GND
Shield -   - Shield  
J1-44 LL/DCD Twisted pair no. 2 graphics/u2192.gif J2-8 DCD
Shield -   - Shield -
J1-39 TxCE/TxC Twisted pair no. 7 - graphics/u2192.gif J2-15 TxC
Shield -   - Shield -
J1-40 NIL/RxC Twisted pair no. 6 graphics/u2192.gif J2-17 RxC
Shield -   - Shield -
J1-33 DCD/LL Twisted pair no. 12 graphics/u2190.gif J2-18 LTST
Shield -   - Shield -
J1-34 DSR/DTR Twisted pair no. 11 graphics/u2190.gif J2-20 DTR
Shield -   - Shield -
J1-38 RxC/TxCE Twisted pair no. 8 graphics/u2190.gif J2-24 TxCE
Shield -   - Shield -

[1] Any pin not referenced is not connected.

EIA/TIA-449

Figure D-3 shows the EIA/TIA-449 cable assembly; Table D-6 lists the DTE pinout; Table D-7 lists the DCE pinout. Arrows indicate signal direction: graphics/u2192.gif indicates DTE to DCE, and graphics/u2190.gif indicates DCE to DTE.

Figure D-3. EIA/TIA-449 Cable Assembly

graphics/dfig03.gif

Table D-6. EIA/TIA-449 DTE Cable Pinout (DB-60 to DB-37)
60 Pin [1] Signal Description Direction 37 Pin Signal
J1-49 MODE_1 Shorting group - - -
J1-48 GND Shorting group - - -
J1-51 GND Shorting group - - -
J1-52 MODE_DCE Shorting group - - -
J1-46 Shield_GND Single   J2-1 Shield GND
J1-11 TxD/RxD+ Twisted pair no. 6 graphics/u2192.gif J2-4 SD+
J1-12 TxD/RxD-   graphics/u2192.gif J2-22 SD-
J1-24 TxC/RxC+ Twisted pair no. 9 graphics/u2190.gif J2-5 ST+
J1-23 TxC/RxC-   graphics/u2190.gif J2-23 ST-
J1-28 RxD/TxD+ Twisted pair no. 11 graphics/u2190.gif J2-6 RD+
J1-27 RxD/TxD-   graphics/u2190.gif J2-24 RD-
J1-9 RTS/CTS+ Twisted pair no. 5 graphics/u2192.gif J2-7 RS+
J1-10 RTS/CTS-   graphics/u2192.gif J2-25 RS-
J1-26 RxC/TxCE+ Twisted pair no. 10 graphics/u2190.gif J2-8 RT+
J1-25 RxC/TxCE-   graphics/u2190.gif J2-26 RT-
J1-1 CTS/RTS+ Twisted pair no. 1 graphics/u2190.gif J2-9 CS+
J1-2 CTS/RTS-   graphics/u2190.gif J2-27 CS-
J1-44 LL/DCD Twisted pair no. 12 graphics/u2192.gif J2-10 LL
J1-45 Circuit_GND   - J2-37 SC
J1-3 DSR/DTR+ Twisted pair no. 2 graphics/u2190.gif J2-11 DM+
J1-4 DSR/DTR-   graphics/u2190.gif J2-29 DM-
J1-7 DTR/DSR+ Twisted pair no. 4 graphics/u2192.gif J2-12 TR+
J1-8 DTR/DSR-   graphics/u2192.gif J2-30 TR-
J1-5 DCD/DCD+ Twisted pair no. 3 graphics/u2190.gif J2-13 RR+
J1-6     graphics/u2190.gif J2-31 RR-
J1-13 TxCE/TxC+   graphics/u2192.gif J2-17 TT+
J1-14 TxCE/TxC- Twisted pair no. 7 graphics/u2192.gif J2-35 TT-
J1-15 Circuit_GND Twisted pair no. 9 - J2-19 SG
J1-16 Circuit_GND   - J2-20 RC

[1] Any pin not referenced is not connected.

Table D-7. EIA/TIA-449 DCE Cable Pinout (DB-60 to DB-37)
60 Pin [1] Signal Description Direction 37 Pin Signal
J1-49 MODE_1 Shorting group - - - “
J1-48 GND Shorting group - - -
J1-46 Shield_GND Single - J2-1 Shield GND
J1-28 RxD/TxD+ Twisted pair no. 11 graphics/u2190.gif J2-4 SD+
J1-27 RxD/TxD-   graphics/u2190.gif J2-22 SD-
J1-13 TxCE/TxC+ Twisted pair no. 7 graphics/u2192.gif J2-5 ST+
J1-14 TxCE/TxC-   graphics/u2192.gif J2-23 ST-
J1-11 TxD/RxD+ Twisted pair no. 6 graphics/u2192.gif J2-6 RD+
J1-12 TxD/RxD-   graphics/u2192.gif J2-24 RD-
J1-1 CTS/RTS+ Twisted pair no. 1 graphics/u2190.gif J2-7 RS+
J1-2 CTS/RTS-   graphics/u2190.gif J2-25 RS-
J1-24 TxC/RxC+ Twisted pair no. 9 graphics/u2192.gif J2-8 RT+
J1-23 TxC/RxC-   graphics/u2192.gif J2-26 RT-
J1-9 RTS/CTS+ Twisted pair no. 5 graphics/u2192.gif J2-9 CS+
J1-10 RTS/CTS-   graphics/u2192.gif J2-27 CS-
J1-29 NIL/LL Twisted pair no. 12 graphics/u2192.gif J2-10 LL
J1-30 Circuit_GND   - J2-37 SC
J1-7 DTR/DSR+ Twisted pair no. 4 graphics/u2192.gif J2-11 DM+
J1-8 DTR/DSR-   graphics/u2192.gif J2-29 DM-
J1-3 DSR/DTR+ Twisted pair no. 2 graphics/u2190.gif J2-12 TR+
J1-4 DSR/DTR-   graphics/u2190.gif J2-30 TR-
J1-5 DCD/DCD+ Twisted pair no. 3 graphics/u2192.gif J2-13 RR+
J1-6 DCD/DCD-   graphics/u2192.gif J2-31 RR-
J1-26 RxC/TxCE+ Twisted pair no. 10 < ” J2-17 TT+
J1-25 RxC/TxCE “   < ” J2-35 TT “
J1-15 Circuit_GND Twisted pair no. 8 _ J2-19 SG
J1-16 Circuit_GND   _ J2-20 RC

[1] Any pin not referenced is not connected.

V.35

Figure D-4 shows the V.35 cable assembly; Table D-8 lists the DTE pinout; Table D-9 lists the DCE pinout. Arrows indicate signal direction: graphics/u2192.gif indicates DTE to DCE, and graphics/u2190.gif indicates DCE to DTE.

Figure D-4. V.35 Cable Assembly

graphics/dfig04.gif

Table D-8. V.35 DTE Cable Pinout (DB-60 to 34-Pin)
60 Pin [1] Signal Description Direction 34 Pin Signal
J1-49 MODE_1 Shorting group - - -
J1-48 GND Shorting group - - -
J1-50 MODE_0 Shorting group - - -
J1-51 GND Shorting group - - -
J1-52 MODE_DCE Shorting group - - -
J1-53 TxC/NIL Shorting group - - -
J1-54 RxC_TxCE Shorting group - - -
J1-55 RxD/TxD Shorting group - - -
J1-56 GND Shorting group - - -
J1-46 Shield_GND Single - J2-A Frame GND
J1-45 Circuit_GND Twisted pair no. 12 - J2-B Circuit GND
Shield -   - Shield -
J1-42 RTS/CTS Twisted pair no. 9 graphics/u2192.gif J2-C RTS
Shield -   - Shield -
J1-35 CTS/RTS Twisted pair no. 8 graphics/u2190.gif J2-D CTS
Shield -   - Shield -
J1-34 DSR/DTR Twisted pair no. 7 graphics/u2190.gif J2-E DSR
Shield -   - Shield -
J1-33 DCD/LL Twisted pair no. 6 graphics/u2190.gif J2-F RLSD
Shield -   - Shield -
J1-43 DTR/DSR Twisted pair no. 10 graphics/u2192.gif J2-H DTR
Shield -   - Shield -
J1-44 LL/DCD Twisted pair no. 11 graphics/u2192.gif J2-K LT
Shield -   - Shield -
J18 TxD/RxD+ Twisted pair no. 1 graphics/u2192.gif J2-P SD+
J17 TxD/RxD-   graphics/u2192.gif J2-S SD-
J1-28 RxD/TxD+ Twisted pair no. 5 graphics/u2190.gif J2-R RD+
J1-27 RxD/TxD-   graphics/u2190.gif J2-T RD-
J1-20 TxCE/TxC+ Twisted pair no. 2 graphics/u2192.gif J2-U SCTE+
J1-19 TxCE/TxC-   graphics/u2192.gif J2-W SCTE-
J1-26 RxC/TxCE+ Twisted pair no. 4 graphics/u2190.gif J2-V SCR+
J1-25 RxC/TxCE-   graphics/u2190.gif J2-X SCR-
J1-24 TxC/RxC+ Twisted pair no. 3 graphics/u2190.gif J2-Y SCT+
J1-23 TxC/RxC-   graphics/u2190.gif J2-AA SCT-

[1] Any pin not referenced is not connected.

Table D-9. V.35 DCE Cable Pinout (DB-60 to 34-Pin)
60 Pin [1] Signal Description Direction 34 Pin Signal
J1-49 MODE_1 Shorting group - - -
J1-48 GND Shorting group - - -
J1-50 MODE_0 Shorting group - - -
J1-51 GND Shorting group - - -
J1-53 TxC/NIL Shorting group - - -
J1-54 RxC_TxCE Shorting group - - -
J1-55 RxD/TxD Shorting group - - -
J1-56 GND Shorting group - - -
J1-46 Shield_GND Single - J2-A Frame GND
J1-45 Circuit_GND Twisted pair no. 12 - J2-B Circuit GND
Shield -   - Shield -
J1-35 CTS/RTS Twisted pair no. 8 graphics/u2190.gif J2-C RTS
Shield -   - Shield -
J1-42 RTS/CTS Twisted pair no. 9 graphics/u2192.gif J2-D CTS
Shield -   - Shield -
J1-43 DTR/DSR Twisted pair no. 10 graphics/u2192.gif J2-E DSR
Shield -   - Shield -
J1-44 LL/DCD Twisted pair no. 11 graphics/u2192.gif J2-F RLSD
Shield -   - Shield -
J1-34 DSR/DTR Twisted pair no. 7 graphics/u2190.gif J2-H DTR
Shield -   - Shield -
J1-33 DCD/LL Twisted pair no. 6 graphics/u2190.gif J2-K LT
Shield -   - Shield -
J1-28 RxD/TxD+ Twisted pair no. 5 graphics/u2190.gif J2-P SD+
J1-27 RxD/TxD-   graphics/u2190.gif J2-S SD-
J1-18 TxD/RxD+ Twisted pair no. 1 graphics/u2192.gif J2-R RD+
J1-17 TxD/RxD-   graphics/u2192.gif J2-T RD-
J1-26 RxC/TxCE+ Twisted pair no. 4 graphics/u2190.gif J2-U SCTE+
J1-25 RxC/TxCE-   graphics/u2190.gif J2-W SCTE-
J1-22 NIL/RxC+ Twisted pair no. 3 graphics/u2192.gif J2-V SCR+
J1-21 NIL/RxC-   graphics/u2192.gif J2-X SCR-
J1-20 TxCE/TxC+ Twisted pair no. 2 graphics/u2192.gif J2-Y SCT+
J1-19 TxCE/TxC-   graphics/u2192.gif J2-AA SCT-

[1] Any pin not referenced is not connected.

X.21

Figure D-5 shows the X.21 cable assembly; Table D-10 lists the DTE pinout; Table D-11 lists the DCE pinout. Arrows indicate signal direction: graphics/u2192.gif indicates DTE to DCE, and graphics/u2190.gif indicates DCE to DTE.

Figure D-5. X.21 Cable Assembly

graphics/dfig05.gif

Table D-10. X.21 DTE Cable Pinout (DB-60 to DB-15)
60 Pin [1] Signal Description Direction 15 Pin Signal
J1-48 GND Shorting group - - -
J1-47 MODE_2 Shorting group - - -
J1-51 GND Shorting group - - -
J1-52 MODE_DCE Shorting group - - -
J1-46 Shield_GND Single - J2-1 Shield GND
J1-11 TxD/RxD+ Twisted pair no. 3 graphics/u2192.gif J2-2 Transmit+
J1-12 TxD/RxD-   graphics/u2192.gif J2-9 Transmit-
J1-9 RTS/CTS+ Twisted pair no. 2 graphics/u2192.gif J2-3 Control+
J1-10 RTS/CTS-   graphics/u2192.gif J2-10 Control-
J1-28 RxD/TxD+ Twisted pair no. 6 graphics/u2190.gif J2-4 Receive+
J1-27 RxD/TxD-   graphics/u2190.gif J2-11 Receive-
J1-1 CTS/RTS+ Twisted pair no. 1 graphics/u2190.gif J2-5 Indication+
J1-2 CTS/RTS-   graphics/u2190.gif J2-12 Indication-
J1-26 RxC/TxCE+ Twisted pair no. 5 graphics/u2190.gif J2-6 Timing+
J1-25 RxC/TxCE-   graphics/u2190.gif J2-13 Timing-
J1-15 Control_GND Twisted pair no. 4 - J2-8 Control GND
Shield -   - Shqield -

[1] Any pin not referenced is not connected.

Table D-11. X.21 DCE Cable Pinout (DB-60 to DB-15)
60 Pin [1] Signal Description Direction 15 Pin Signal
J1-48 GND Shorting group - - -
J1-47 MODE_2 Shorting group - - -
J1-46 Shield_GND Single - J2-1 Shield GND
J1-28 RxD/TxD+ Twisted pair no. 6 graphics/u2190.gif J2-2 Transmit+
J1-27 RxD/TxD-   graphics/u2190.gif J2-9 Transmit-
J1-1 CTS/RTS+ Twisted pair no. 1 graphics/u2190.gif J2-3 Control+
J1-2 CTS/RTS-   graphics/u2190.gif J2-10 Control-
J1-11 TxD/RxD+ Twisted pair no. 3 graphics/u2192.gif J2-4 Receive+
J1-12 TxD/RxD “   graphics/u2192.gif J2-11 Receive-
J1-9 RTS/CTS+ Twisted pair no. 2 graphics/u2192.gif J2-5 Indication+
J1-10 RTS/CTS-   graphics/u2192.gif J2-12 Indication-
J1-24 TxC/RxC+ Twisted pair no. 4 graphics/u2192.gif J2-6 Timing+
J1-23 TxC/RxC-   graphics/u2192.gif J2-13 Timing-
J1-15 Control_GND Twisted pair no. 5 - J2-8 Control GND
Shield -   - Shield -

[1] Any pin not referenced is not connected.

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CCIE Practical Studies, Volume I
CCIE Practical Studies, Volume I
ISBN: 1587200023
EAN: 2147483647
Year: 2001
Pages: 283
Authors: Karl Solie

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