C-12 Router Installation and Configuration Guide
Synchronous Serial Cable Assemblies and Pinouts
Table C-8
EIA/TIA-232 DCE Cable Pinouts (DB-60 to DB-25)
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
–
J1-45
Shield
Circuit GND
–
Twisted pair no. 1
–
–
J2-7
Shield
Circuit GND
J1-44
Shield
LL/DCD
–
Twisted pair no. 2
—>
–
J2-8
Shield
DCD
–
J1-39
Shield
TxCE/TxC
–
Twisted pair no. 7
—>
–
J2-15
Shield
TxC
–
J1-40
Shield
NIL/RxC
–
Twisted pair no. 6
—>
–
J2-17
Shield
RxC
–
J1-33
Shield
DCD/LL
–
Twisted pair no. 12
<—
–
J2-18
Shield
LTST
–
Summary of Contents for CPA2501
Page 4: ...xviii Router Installation and Configuration Guide Conventions ...
Page 14: ...1 10 Router Installation and Configuration Guide Ordering Documentation ...
Page 32: ...2 18 Router Installation and Configuration Guide Where to Go Next ...
Page 78: ...4 24 Router Installation and Configuration Guide Getting More Information ...
Page 84: ...A 6 Router Installation and Configuration Guide Reading the LEDs ...
Page 122: ...C 24 Router Installation and Configuration Guide ISDN BRI Port and Cable Pinouts ...
Page 138: ...2 16 Cisco 2500 Series Multiport Serial Router User Guide Inspecting the System ...