Ct1 And Ce1 I/O Modules - Juniper E-Series Installation And User Manual

A-4 APPENDIX A
Cable Pinouts

CT1 and CE1 I/O Modules

Table A-3 DB-9 – RJ-45 crossover adapter pinout
DB-9 Pin Signal
1 DCD
2 RXD
3 TXD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RNG
a. n/c=no connect
Table A-4 lists the pinout for the straight-through adapter.
Table A-4 DB-9 – RJ-45 straight-through adapter pinout
DB-9 Pin RS-232 Signal Name RJ-45 Pin
1 DCD
2 RXD
3 TXD
4 DTR
5 GND (signal)
6 DSR
7 RTS
8 CTS
9 RNG
a. n/c=no connect
CT1 I/O modules have 24 RJ-48C female connectors. CE1 I/O modules
have either 20 RJ-48C female connectors or two 25-pair female Telco
connectors. Figure A-3
module and the sequence of the pins in the RJ-48C connector. CE1 I/O
modules equipped with RJ-48C connectors have the same configuration
as CT1 I/O modules equipped with RJ-48C connectors.
RJ-45 Pin
1
3
2
6
5
4
8
7
n/c a
1
2
3
4
5
6
7
8
n/c
shows the location of the ports on a CT1 I/O
Ethernet Signal Name
TX +
TX –
RX +
n/c a
n/c
RX –
n/c
n/c
none