Arcnet Interfaces - SOHARD SH ARC-GATEWAY User Manual

ARCNET Interfaces

9.4
Switching bus termination and
9.4.1
transmission power
Please keep in mind that the device may only be opened by SOHARD (cf.
Safety Instructions).
Please send the device in if you need the bus termination of the
wired interface modules to be activated or the transmission power of
the optical interface modules to be changed.
Coaxial Interface (-K)
9.4.2
Connector type: BNC Socket, decoupled from device housing, not
internally terminated.
Twisted pair Interface (-TWP)
9.4.3
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, not internally terminated.
Pin assignment
RS-485/EIA-485 Interface (-R / -RS485-
9.4.4
STB)
Important: To maintain the electro-magnetic compatibility (EMC) the
shield of the cable connected to the D-sub DE9M plug must be solidly
attached to the screen of the connector.
2024-01
Pin Transceiver Pin
4 PH-A
5 PH-B
1-3 NC
6-9
Description
Data line A
Data line B
Reserved
31