Cisco 2500 Series

J1-45
Shield
Circuit GND
-
Twisted pair no. 1 -
-
J2-7
Shield
Circuit GND
-
J1-33
Shield
DCD/LL
-
Twisted pair no. 12 <--
-
J2-8
Shield
DCD
-
J1-37
Shield
TxC/NIL
-
Twisted pair no. 8 <--
-
J2-15
Shield
TxC
-
J1-38
Shield
RxC/TxCE
-
Twisted pair no. 7 <--
-
J2-17
Shield
RxC
-
J1-44
Shield
LL/DCD
-
Twisted pair no. 2 -->
-
J2-18
Shield
LTST
-
J1-43
Shield
DTR/DSR
-
Twisted pair no. 3 -->
-
J2-20
Shield
DTR
-
J1-39
Shield
TxCE/TxC
-
Twisted pair no. 6 -->
-
J2-24
Shield
TxCE
-
Table C-8: EIA/TIA-232 DCE Cable Pinouts (DB-60 to DB-25)
(Continued)
60 Pin Signal Description Direction 25 Pin Signal
J1-50
J1-51
MODE_0
GND
Shorting group - - -
J1-46 Shield GND Single - J2-1 Shield GND
J1-36
Shield
RxD/TxD
-
Twisted pair no. 9 <--
-
J2-2
Shield
TxD
-
J1-41
Shield
TxD/RxD
-
Twisted pair no. 5 -->
-
J2-3
Shield
RxD
-
J1-35
Shield
CTS/RTS
-
Twisted pair no. 10 <--
-
J2-4
Shield
RTS
-
J1-42
Shield
RTS/CTS
-
Twisted pair no. 4 -->
-
J2-5
Shield
CTS
-
J1-43
Shield
DTR/DSR
-
Twisted pair no. 3 -->
-
J2-6
Shield
DSR
-
Cabling
http://www.cisco.com/univercd/cc/td/doc/product/access/acs_fix/cis2500/2520/2520_23/c2520cab.htm (9 of 17) [10/27/2000 3:08:10 PM]