Installation guide

A-8 Cisco 4000 Series Installation Guide
Serial Cables
Table A-5 Four-Port Serial EIA/TIA-232 DTE Cable Pinouts (DB-60 to DB-25)
60 Pin Signal Note
Directio
n 25 Pin Signal
J1-50
J1-51
J1-52
MODE_0
GND
MODE_DC
E
Shorting group – – –
J1-46 Shield GND Single – J2-1 Shield GND
J1-46 Shield GND Single – J2-1 Shield GND
J1-41
Shield
TXD/RXD
–
Twisted pair no. 5 —>
–
J2-2
Shield
TXD
–
J1-36
Shield
RXD/TXD
–
Twisted pair no. 9 <—
–
J2-3
Shield
RXD
–
J1-42
Shield
RTS/CTS
–
Twisted pair no. 4 —>
–
J2-4
Shield
RTS
–
J1-35
Shield
CTS/RTS
–
Twisted pair no. 10 <—
–
J2-5
Shield
CTS
–
J1-34
Shield
DSR/DTR
–
Twisted pair no. 11 <—
–
J2-6
Shield
DSR
–
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
–