(USA and Canada only)
AC7 [Obsolete when inventory is depleted]
(Optical Isolation Mode)
200mA @ +5 VDC
50 mA @ +12 VDC Voltage Tolerace = ±0.1 VDC
50 mA @ -12 VDC
200 mA @ +12 VDC VDC 5 Voltage Tolerace = ±0.1
0 mA @ -12 VDC
0 °C to 70 °C
0 to 95% Humidity (non-condensing)
4,000 VAC (RS-232 to RS-422)
25-pin, DB-25 female connector
Up to 38,400 baud
(Boards earlier than Rev.1 are limited to 19,200 baud)
Up to 50 feet
Up to 5,000 feet
RS-422 full duplex over two twisted pairs and a signal common.
Shielded cable recommended.
Does not support RS-485 2-wire mode (see AC7A/B)
The AC7 is a stand-alone adapter card that converts RS-232 serial communication to RS-422 serial communication, which is directly compatible with the Optomux brain boards .
This document gives instructions for installing the AC7A/B adapter card in an Optomux network in 4-wire RS-422/485 mode with a PC and how to communicate with equipment other Optomux.