Sun Microsystems Netra CT 410, Service Manual

Page: 239 / 296

Appendix A Connector Pinouts A-29
A.2.2.1 Serial Ports
Two serial ports from the Netra CP2500 transition module are available through the
rear panel with single-stacked, 9-pin connectors. One connector is assigned to Port A
and the other connector to Port B (
FIGURE A-13
).
FIGURE A-13
Serial Port Connector Pins
The signal interface of the connectors are described in the following two tables.
TABLE A-20
Serial Port A
Pin Signal
1 SER_A_DCD
2 SER_A_RXD
3 SER_A_TXD
4 SER_A_DTR
5 GND_A
6 SER_A_DSR
7 SER_A_RTS
8 SER_A_CTS
9 SER_A_RI
TABLE A-21
Serial Port B
Pin Signal
1 SER_B_DCD
2 SER_B_RXD
3 SER_B_TXD
COM
A
1
6
9
B
5
1
6
9
5