Contrex M-Traverse Manual do Utilizador Página 40

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1. Terminate shield only at one end of the cable.
2. If you need to terminate the communication line, then
terminate it at the unit which is the furthest away from
the converter. A 100 ohm, 1/2 Watt resistor will usually
terminate successfully. Refer to EIA Standard
RS–422, for more information.
RS232 to RS422
Converter
2
1
M-Traverse #1
M-Traverse #2
7
6
5
4
3
2
- RXD
+ RXD
- TXD
+ TXD
7
6
5
4
3
2
- RXD
+ RXD
- TXD
+ TXD
J1
J1
SHIELD
SHIELD
COMMON
COMMON
RXD TXD COM
+ — + —
Figure 2-27 M–Traverse Serial Communications Connections
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