2.3 RS-485 Connection
An Optional RS-485 Wiegand Card Reader Module (AWCRM) must be used for this application.
The AWCRM has one built-in relay to control door or gate. You may also use the two built-in relays on the
AFGR9 to control
another door or gate (see figure 2.3)
Figure 2.4 RS-485
Pach and Company
Page 7
07/28/04
AFGR9
Chapter 2. Installation