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8 C3434M-A (9/07)
SW2 SWITCHES 1-3: SPECIAL SYSTEM SETTINGS
AD-32 Preset System
SW2-1 should be set to the ON position if an AD-32 controller and Pelco’s TXB-AD translator board are used to control the
dome system.
CM9502 Setting
If a CM9502 matrix system is used with the dome drive, set SW2-2 to the ON position.
Vicon System
The Vicon
®
protocol is not currently available. SW2-3 is reserved for future use.
SW2 SWITCHES 4-5: SERIAL PORT SETTINGS
RS422 Setting (Default)
SW2-4 and SW2-5 should both be set to the OFF position for RS422 setting.
For control, only two wires should be connected to the RX- and RX+ connectors on the circuit board inside the back box. For
bidirectional control, four wires should be connected to the RX-, RX+, TX-, and TX+ connectors on the circuit board inside
the back box.
RS485, 4 Wire Setting
SW2-4 should be set to OFF and SW2-5 should be set to ON if a four wire serial port connection is used with RS485.
NOTE:
This setting is most commonly used with Pelco Endura
®
systems.
RS485, 2 Wire Setting
SW2-4 and SW2-5 should both be set to the ON position if a two wire serial port connection is used with RS485.
This setting is used to allow the Spectra dome system to transmit and receive commands on the same pair of wires. Only
two wires should be connected to the RX- and RX+ connectors on the circuit board inside the back box.
SW2 SWITCHES 6-8: BAUD SETTINGS
Pelco’s D-type controllers are set for 2400 baud. The default setting for the dome drive is 2400 baud. If you are using a
Pelco D-type controller, do not reset SW2 switches 1 through 3 or SW2 switches 6 through 8.
P-type controllers can operate at 2400, 4800, and 9600 baud. Set the SW2 switches (6, 7, and 8), located on the base of
the dome drive, to the same baud as the P-type controller.
Switch Number SW2-6 SW2-7 SW2-8
2400 Baud (default for D-type control) Off Off Off
4800 Baud (default for P-type control) On Off Off
9600 Baud Off On Off