User's Manual

8 • RF Sensor System I&O Manual 026-1702 Rev 0 10-30-00
2.3.3. Setting the Baud Rate Dip
Switch
Dip switches 6 and 7 control the baud rate at
which the RF Gateway communicates with the
site controller on the RS485 Network. These
switches must be set to the same baud rate set-
ting as the Einstein or REFLECS (usually 9600
baud).
Dip switch 8 controls the baud rate at which
the RF Gateway communicates with the other
devices on the Token Ring Network. This baud
rate may only be set to either 9600 baud (switch
DOWN) or 19600 baud (switch UP). All RF
Gateways and RF Receivers on the Token Ring
Network must have the same baud rate dip
switch setting. It is recommended you use 9600
baud as the Token Ring Network baud rate.
2.3.4. Setting the RS485 I/O Termi-
nation Jumpers
As part of an area controller’s RS485 I/O
(COM A or COM D) Network, an RF Gateway
must be terminated if it is the end device of a
daisy chain. Refer to the controller’s user man-
ual for information about daisy chain networks
and how they are terminated.
To terminate the RF Gateway, set the I/O
Network Jumpers to the LEFT position as shown
in Figure 2-6. To unterminate the RF Gateway,
set the jumpers to the RIGHT position.
Figure 2-4 - Dip Switch Setting for Numbering RF Gateway
Figure 2-5 - Dip Switch Setting for Numbering RF Gateway
Figure 2-6 - RF Gateway RS485 I/O Network Termination