Sun Microsystems Netra CT 820, Service Manual

Page: 93 / 132

Chapter A Board Connector Pinouts A-9
A.3.1 Console Port
The console port on the switching fabric board use a standard RJ-11 connector. A
special cable for connection with the console port is included in the Netra CT 820
server ship kit.
FIGURE A-8
RJ-11 Console Connector Diagram
Only the signals transmit, receive, and ground are used. The pinouts for this port are
shown in
TABLE A-6
.
Note –
DTE DB-9 also provides loopback of DTR (pin 4) — DSR (pin 6), and of RTS
(pin 8) — CTS (pin 9).
TABLE A-6
RJ11 CONSOLE Port Pinout
RJ11
Pin Number
Signal
DCE DB-9
1
Pin Number
1 With use of null modem provided.
DTE DB-9
Pin Number
1 — — —
2 GND 5 5
3 RX 3 2
4 TX 2 3
5 GND — —
6 — — —
1 2 3 4 5 6