Cisco 2500 Series

60 Pin Signal 25 Pin Signal
Direction DTE DCE
1
J1-11
J1-12
TxD/RxD+
TxD/RxD-
J2-2
J2-14
BA(A), TxD+
BA(B), TxD-
-->
-->
J1-28
J1-27
RxD/TxD+
RxD/TxD-
J2-3
J2-16
BB(A), RxD+
BB(B), RxD-
<--
<--
J1-9
J1-10
RTS/CTS+
RTS/CTS-
J2-4
J2-19
CA(A), RTS+
CA(B), RTS-
-->
-->
J1-1
J1-2
CTS/RTS+
CTS/RTS-
J2-5
J2-13
CB(A), CTS+
CB(B), CTS-
<--
<--
J1-3
J1-4
DSR/DTR+
DSR/DTR-
J2-6
J2-22
CC(A), DSR+
CC(B), DSR-
<--
<--
J1-46
J1-47
Shield_GND
MODE_2
J2-1
-
Shield
-
Shorted
J1-48
J1-49
GND
MODE_1
-
-
-
-
Shorted
J1-5
J1-6
DCD/DCD+
DCD/DCD-
J2-8
J2-10
CF(A), DCD+
CF(B), DCD-
<--
<--
J1-24
J1-23
TxC/RxC+
TxC/RxC-
J2-15
J2-12
DB(A), TxC+
DB(B), TxC-
<--
<--
J1-26
J1-25
RxC/TxCE+
RxC/TxCE-
J2-17
J2-9
DD(A), RxC+
DD(B), RxC-
<--
<--
J1-44
J1-45
LL/DCD
Circuit_GND
J2-18
J2-7
LL
Circuit_ GND
-->
-
J1-7
J1-8
DTR/DSR+
DTR/DSR-
J2-20
J2-23
CD(A), DTR+
CD(B), DTR-
-->
-->
J1-13
J1-14
TxCE/TxC+
TxCE/TxC-
J2-24
J2-11
DA(A), TxCE+
DA(B), TxCE-
-->
-->
J1-51
J1-52
GND
MODE_DCE
--
--
--
--
Shorted
1
The EIA-530 interface operates in DTE mode only. A DCE cable is not available for the EIA-530
Cabling
http://www.cisco.com/univercd/cc/td/doc/product/access/acs_fix/cis2500/2520/2520_23/c2520cab.htm (7 of 17) [10/27/2000 3:08:10 PM]