User Manual

Publication 1738-IN010A-EN-E - June 2004
ArmorPoint I/O RS-485 ASCII Module, Series A 7
Wire the RS-485
ASCII Modules
Following are wiring instructions for the ArmorPoint RS-485 ASCII
module.
1738-485ASCM12
IMPORTANT
The 1738-485ASCM1 2 modu le has earth grounded
metal rings. This should be conside red when
choosing shielde d cables and grounding techn iqu es.
ATTENTION
Make sure all connectors and caps are securely
tightened to properly seal the connections against
leaks and maintain IP67 requirements.
(view into connector)
Pin 1 - Tx -
Pin 2 - Tx +
Pin 3 - Rx +
Pin 4 - Rx -
Pin 5 - No Connect
43664