Ct1 And Ce1 I/O Modules - Juniper ERX - RELEASE 11.1.X HARDWARE GUIDE 03-23-2010 Hardware Manual

ERX 11.1.x Hardware Guide
Table 21: DB-9 RJ-45 Straight-Through Adapter Pinout

CT1 and CE1 I/O Modules

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 56 on
page 134 shows the location of the ports on a CT1 I/O 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.
Figure 56: CT1 I/O Module Ports
Table 22 on page 135 lists the pinout for the CT1/CE1 connector.
134
CT1 and CE1 I/O Modules
DB-9 Pin RS-232 Signal Name
1 DCD
2 RXD
3 TXD
4 DTR
5 GND (signal)
6 DSR
7 RTS
8 CTS
9 RNG
RJ-45 Pin Ethernet Signal Name
1 TX +
2 TX –
3 RX +
4 no connect
5 no connect
6 RX –
7 no connect
8 no connect
no connect none