Eia/Tia-449 - Cisco 2500 Series Installation And Configuration Manual

Cabling
J1-45 Circuit GND
Shield -
J1-44 LL/DCD
Shield -
J1-39 TxCE/TxC
Shield -
J1-40 NIL/RxC
Shield -
J1-33 DCD/LL
Shield -
J1-34 DSR/DTR
Shield -
J1-38 RxC/TxCE
Shield -

EIA/TIA-449

Figure C-8 shows the EIA/TIA-449 cable assembly.
DCE pinouts. Arrows indicate signal direction: --> indicates DTE to DCE, and <-- indicates DCE to
DTE.
Figure C-8: EIA/TIA-449 Cable Assembly
Table C-9: EIA/TIA-449 DTE Cable Pinouts (DB-60 to DB-37)
60 Pin Signal
http://www.cisco.com/univercd/cc/td/doc/product/access/acs_fix/cis2500/2520/2520_23/c2520cab.htm (10 of 17) [10/27/2000 3:08:10 PM]
Twisted pair no. 1 -
-
Twisted pair no. 2 -->
-
Twisted pair no. 7 -->
-
Twisted pair no. 6 -->
-
Twisted pair no. 12 <--
-
Twisted pair no. 11 <--
-
Twisted pair no. 8 <--
-
(Continued)
Description
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 -
Table C-9 lists the DTE pinouts.
Direction 37 Pin Signal
Table C-10 lists the