19
GT-400 Terminal User’s Guide
Terminal Installation: Making Back Board Connections
Making Back Board Connections
Use caution when making connections to the back board to avoid damage. Be aware of possible
damage due to electrostatic discharge (ESD). ESD is of particular concern when working on
carpeted surfaces and in dry environments. Use a ground strap to minimize ESD concerns.
DO NOT apply power until you are ready to configure the terminal!
DO NOT connect backup battery (if using) until after main power has been supplied!
1
Connect the earth ground. The earth ground connection is made to the ground pin on the terminal.
Bundle all ground connections into one crimp lug and attach the lug to the ground pin with a 8-32
nut.
2
Connect the ethernet cable to the ethernet connection socket inside the terminal casing.
3
DO NOT apply power until you are ready to configure the terminal! Connect the P1 plug to the
twisted pair per the following: Pin 1: Ground, Pin 2: Power.
See “Important Information” on page 7 for further instructions.
4
If using the optional backup battery, locate the backup battery relay, but DO NOT connect backup
battery until after the main power has been connected.
5
Make other back board connections as necessary. Use the diagram below as a reference.
Figure 3.13— Back Board Connections
Power
(Barrel Connector)
Power
(Two-pin Phoenix
Connector)
Printer (USB)
Ethernet Socket (under
terminal casing)
Battery Backup
Relay (NC, COM, NO)
RS-232 (RX, TX, GRD)
Modem Socket
Modem (RJ11)
Audio (USB)
(not yet functional)
Tamper Contacts/
Remote Module (NC1,
NC2, RS-485 Tx,
RS-485 Rx, GND
Earth Ground
Содержание Schlage AMGtime G Series
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