Motorola CPX8000 ユーザーズマニュアル
Connectors
5-7
5
for these ports are tied to chassis ground. The pin assignments and signal
mnemonics for these connectors are listed in the next table.
mnemonics for these connectors are listed in the next table.
Asynchronous/Synchronous Serial Port Connectors (J6 and J24)
The interface for the asynchronous/synchronous serial ports 3 and 4 is
provided by two HD-26 connectors, J6 and J24. The connector shields for
these ports are tied to chassis ground.
provided by two HD-26 connectors, J6 and J24. The connector shields for
these ports are tied to chassis ground.
The pin assignments and signal mnemonics for Serial Port 3 are listed in
, and the pin assignments and signal mnemonics for Serial Port 4
are listed in
.
Table 5-4. COM1 (J11) and COM2 (J10)
Pin
Signal
1
DCD
2
RTS
3
GND
4
TXD
5
RXD
6
GND
7
CTS
8
DTR
Table 5-5. Serial Port 3 (J6)
Pin
Signal
Signal
Pin
1
No Connect
SP3_P14
14
2
TXD3
TXCI3
15
3
RXD3
SP3_P16
16
4
RTS3
RXCI3
17
5
CTS3
LLB3
18