About the product
The RS485 option card, Dual port, optically isolated RS-485 adapter, with two 3-position, removable screw-terminal connector plugs.
Up to 2 RS-485 option cards may be installed.
- If one RS-485 option in Option Slot1, ports are COM3 and COM4.
- If two RS-485 options, ports areCOM3 and COM4 for Option Slot 1, and COM5 and COM6 for Slot 2.
- If one RS-485 option in Option Slot2, ports are COM3 and COM4 (unless Option Slot 1 has an NPB-232 option card, in which case the ports are COM4 and COM5).
The RS-485 Option card is an optional plug-in communications card for enabling communications to remote control devices that use RS-485 network communications at baud rates up to 115.2KBps over a two-wire network.
This card provides two electrically isolated RS-485 ports on a single plug-in card that occupies one option card slot in a JACE-2, JACE-3, JACE-6, JACE-7, JACE-2-XPR, and JACE-6-XPR series product.
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