Cisco 2500 Series Installation And Configuration Manual page 80

Cabling
Table C-13: X.21 DTE Cable Pinouts (DB-60 to DB-15)
60 Pin Signal
J1-48 GND
J1-47 MODE_2
J1-51 GND
J1-52 MODE_DCE
J1-46 Shield_GND Single
J1-11 TxD/RxD+
J1-12 TxD/RxD-
J1-9 RTS/CTS+
J1-10 RTS/CTS-
J1-28 RxD/TxD+
J1-27 RxD/TxD-
J1-1 CTS/RTS+
J1-2 CTS/RTS-
J1-26 RxC/TxCE+
J1-25 RxC/TxCE-
J1-15 Control_GND
Shield -
Table C-14: X.21 DCE Cable Pinouts (DB-60 to DB-15)
60 Pin Signal
J1-48 GND
J1-47 MODE_2
http://www.cisco.com/univercd/cc/td/doc/product/access/acs_fix/cis2500/2520/2520_23/c2520cab.htm (16 of 17) [10/27/2000 3:08:10 PM]
Description Direction 15 Pin Signal
Shorting group -
Shorting group -
-
Twisted pair no. 3 -->
-->
Twisted pair no. 2 -->
-->
Twisted pair no. 6 <--
<--
Twisted pair no. 1 <--
<--
Twisted pair no. 5 <--
<--
Twisted pair no. 4 -
-
Description Direction 15 Pin Signal
Shorting group -
- -
- -
J2-1 Shield GND
J2-2 Transmit+
J2-9 Transmit-
J2-3 Control+
J2-10 Control-
J2-4 Receive+
J2-11 Receive-
J2-5 Indication+
J2-12 Indication-
J2-6 Timing+
J2-13 Timing-
J2-8 Control GND
Shield -
- -