Rs-232 Dce; Pinout And - Cisco CRM3 Hardware Installation And Maintenance

A-3 RS-232 DIE
Table
Cable
Serial
Connections1
12-0670-01
50 pin 25 Pin
Signal
MUX
31-36
J1-3
SCTE
J1-39
32-5
DCE
31-40
32-4
CTS
31-9 J2-8
RTS
31-42
32-6
DCD
Ji-li J2-2
DSR
J1-44
J2-7
TXD
J1-46
J2-3
GND
J1-30 32-20
RXD
J1-14 32-18
DTR
J1-47 32-17
31-31 J2-15 LTST
RXC
31-15
J2-1
31-16 TXC
J2-24
Ground
Chassis
pin not referenced
Any
on connector
connected
DCE
A-4 RS-232 Cable
Table Serial
Connections1
12-0136-01
50 Pin 25 Pin
Signal
MUX
J1-36
J1-3
SCTE
31-47 J2-24
DCE
J1-17
J1-38
CTS
J1-40
32-5
RTS
J1-39
32-4
DCD
J1-14
32-8
DSR
31-30
32-6
TXD
31-46
32-2
GND
J1-44
J2-7
RXD
31-11 J2-3
DTR
31-42 J2-20
LTST
31-9 J2-18
RXC
J1-23 J2-17
TXC
J1-16
32-15
Ground
J1-15 32-1 Chassis
not referenced connector
Any
pin on
connected
and
Pinout
Signals
Type
Twisted
Pair
Twisted
Pair
Twisted
Pair
Twisted
Pair
Twisted
Pair
Twisted
Pair
Twisted
Pair
is not
and
Pinout
Signals
Type
Twisted
Pair
Twisted
Pair
Twisted
Pair
Twisted
Pair
Twisted
Pair
Twisted
Pair
Twisted
Pair
is not
Cable
Serial Pinouts
A-5
Cabling Specifications