Contec MC-310B-DC355, Руководство пользователя, Страница: 20 / 33

2. Each Component Function
MC-310B-DC355
15
- Full duplex
TxD
RxD
RxD
TxD
O
N
109
8
7
6
5
4
3
2
1
O
N
RTS
TxD
CTS
RxD
RTS
TxD
CTS
RxD
109
8
7
6
5
4
3
2
1
Not Inserted
Turn RTS and CTS terminator off.
Inserted
Terminator
(bit 9)
Terminator
(bit 7)
Figure 2.5. Example Connection Oneself loop to RTS and CTS
For instructions on how to remove the housing, see “Removing the battery” in Chapter 4.
Figure 2.6. Location of SW1, SW2
(12) External extended connector
It is a connector for external I/O.
Pin No. Signal name Pin No. Signal name Pin No. Signal name Pin No. Signal name
1 DI COM 11 DO COM- 21 N.C. 31 N.C.
2 DI 00 12 N.C. 22 N.C. 32 AI GND
3 DI 01 13 N.C. 23 N.C. 33 AI GND
4 DI 02 14 AI GND 24 N.C. 34 AI GND
5 DI 03 15 AI 00 25 N.C. 35 AI GND
6 DO COM+ 16 AI 01 26 N.C. 36 AI GND
7 DO 00 17 AI 02 27 N.C. 37 AI GND
8 DO 01 18 AI 03 28 N.C.
9 DO 02 19 AI GND 29 N.C.
10 DO 03 20 N.C. 30 N.C.
COM+/- : 12 - 24VDC