Sun Microsystems Netra CT 820, Service Manual

Page: 89 / 132

Chapter A Board Connector Pinouts A-5
Following are the pinouts for each of the ports on the rear transition module for the
distributed management card:
■
“Console Ports 1A and 1B Pinouts” on page A 5
■
“Alarm Ports 1A and 1B Pinouts” on page A 6
■
“Ethernet Ports 1A and 1B Pinouts” on page A 7
A.2.1 Console Ports 1A and 1B Pinouts
The console ports 1A and 1B on the rear transition module for the distributed
management card use standard DB-9 connectors.
FIGURE A-4
Console Port Connector Pins
The signal interface of the connectors are described in the following two tables.
TABLE A-2
Console Port 1A
Pin No. Signal Pin No. Signal
1 COM_A_DCD 6 COM_A_DSR
2 COM_A_RXD 7 COM_A_RTS
3 COM_A_TXD 8 COM_A_CTS
4 COM_A_DTR
9 COM_A_RI
5 GND_A
TABLE A-3
Console Port 1B
Pin No. Signal Pin No. Signal
1 COM_B_DCD 6 COM_B_DSR
2 COM_B_RXD 7 COM_B_RTS
3 COM_B_TXD 8 COM_B_CTS
4 COM_B_DTR 9 COM_B_RI
5 GND_B
1 5
6 9