Handbuch / Manual
The resulting terminating resistor is approx. 114 ohm.
9.3 RS485AC Interface (SH RS485AC-PCMCIA)
Important: To maintain the electromagnetic compatibility (EMC) the
shield of the cable connected to the RJ45 plug must be solidly attached to
the shield of the connector.
Connector type: RJ45 socket
Pin assignment
Pin Marking
Description
4
DATA+
Data line
5
DATA-
Data line
1-3
6-9
NC
Reserved
20
RS485
Transceiver
Pin3/Sub-D
Connector
Pin4/Sub-D
Connector
240 Ohm
240 Ohm
150 Ohm
S1
S2
+5V,
RS485
GND,
RS485
RS485-Terminierung
Содержание SH ARC-PCMCIA
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