Interlogix T-500 - Manual (Page 2)

Figure 4. Aligning base plate and top cover
8. Verify the connection is secure and install the
security screws on the top and bottom of the
reader.
9. Cover the exposed screws with the rubber
plugs provided.
Figure 5. Gasket detail
Connecting the Cable
1. The readers are supplied with a 12-conductor
cable pigtail with drain wire. Connect the pigtail
to the host panel. Use the Cable Connection
Chart (below) to correctly match the color of
each wire.
Color Signal
Red 6 to 16 VDC
Black Ground
Green Data 0
White Data 1
Orange Green LED Control
Brown Red LED Control
Yellow Beeper Control
Gray Door DI
Pink REX DI
Tan Tamper Output
Blue Hold
Purple Reserved
........ Drain Wire
2. Use a DC Power source between 6-16 VDC.
3. Verify the reader is properly grounded by
attaching the ground wire to an earth ground
connection at the power supply or field panel
end of the cable. Connect reader’s drain wire
to the cable shield. Connect shield wires at the
field panel. The recommended cable gauge is
18-gauge to 22-gauge. Check with the cable
supplier to determine the best choice for the
application and installation distance.
Testing the Reader
1. Power up the reader. Verify the power-on self
test 
LED/beep sequence:
- green LED flashes; two short beeps
- yellow LED flashes; three short beeps
- red LED flashes.
- yellow LED flashes.
2. Verify the yellow LED is on continously
indicating the reader is ready.
3. Present a badge that has been properly
enrolled in the system. Verify the yellow LED
flashes and a short beep is heard.
Removing the Cover
1. Remove all security screws.
2. Pull cover off the base. Refer to Figure 4 on
page 2.
Base plate Top cover