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2 <br />Installation <br />GRX-RS232 <br />GRX-PRG <br />WALL <br />4” x 4” <br />JUNCTION <br />BOX <br />INSERT WIRES <br />THROUGH <br />PUNCH-OUTS <br />WALL <br />GRX-RS232 <br />GRX-PRG <br />3/8 in. (10 mm) <br />HOT/LIVE <br />SSA <br />Zone 3 <br />Zone 2 <br />Zone 1 <br />CU WIRE ONLY <br />Neutral <br />Cla <br />s <br />s <br /> <br />2 <br />4 <br />3 <br />2 <br />1 <br />3000 Series Control Unit <br />1 2 3 4 5 <br />COM <br />TxD <br />RxD <br />1 2 3 4 <br />To up to 7 more GRAFIK Eye Control Units and 15 Accessory Controls <br />50 ft. (15 m) Maximum <br />MUX LINK RS232 LINK <br />GRX-RS232/GRX-PRG WIRING TERMINALS <br />PC or A/V <br />Equipment <br />Mounting <br />1.Mount the GRX-RS232/GRX-PRG on a 4" x 4" junction box or <br />directly on a wall as shown in the Mounting Diagram. If metal <br />conduit is not being used, ensure proper earth/grounding of the <br />metal casing by connecting an earth/ground wire to the earth/ <br />ground screw. Remove front enclosure cover to expose terminal <br />blocks, DIP switches, and output status LEDs. <br />2.Strip 3/8 in. (10 mm) of insulation from wires. Each terminal will <br />accept up to two #18 AWG (1.0 mm2) wires. <br />Wiring Diagram <br />Note:Wiring will differ on 4000 Series Control Units. See the Installer's Guide for more details (P/N 032-036). <br />3.Connect wiring as shown in the Wiring Diagram. LED 1 will be lit <br />when the MUX link is properly installed. Wires should be <br />inserted through the circular punch-outs in the white metal <br />enclosure so that the enclosure cover can be replaced after <br />installation. <br />4. Wiring to your PC or A/V equipment. For the RS232 Link, <br />use the 9-pin cable provided or follow the chart below: <br />RS232 Link of RS232 Typical PC or Pin on <br />RS232/PRG Interface A/V equipment 9-pin cable <br />1 Common Com 5 <br />2 Data In TxD 3 <br />3 Data Out RxD 2 <br />5. Addressing GRAFIK Eye Control Units. Control Units and <br />Accessory Controls must be uniquely addressed for use with the <br />GRX-RS232 or GRX-PRG. For addressing, see the GRAFIK Eye <br />Installer's Guide included with the Control Units. <br />GRX-RS232:The GRX-RS232 does not require an address, <br />unless other GRX-RS232 interfaces exist on the <br />GRAFIK Eye link. <br />GRX-PRG:The GRX-PRG is fixed at address 16. There can <br />be no more than 15 additional Accessory <br />Controls. <br />Important Notes <br />n Install in accordance with all applicable regulations. <br />n Do not connect line voltage/mains power to device. Improper wiring can result in personal injury or damage to the device or to other <br />equipment. <br />n This control can use Class 2/PELV wiring methods. Check with your local electrical inspector for compliance with national and local codes <br />and wiring practices.