Power Connections And Options - Honeywell AlarmNet 7845i-GSM Installation And Setup Manual

Primary power for the 7845i-GSM is provided by the AC plug-in transformer. For ECP

communication, you must also connect the +12VDC AUX voltage output of the control panel

(9.6V-13.8V typical) (see Figure 9). In the case of the LynxR-I, primary power is supplied by

the LynxR-I unit through the LRR/IP communication port.

In all installations, TB1-4 GND must be connected to ground (GND) on the control panel.

NOTE: When calculating the total load on the auxiliary power output of the control panel,

12V AUX

GND

CONTROL PANEL

Figure 9. Powering the 7845i-GSM

budget 10mA for the 7845i-GSM when using ECP mode.

TRANSFORMER

MODEL No. 1332

BATTERY

ADEMCO

K14139

Section 2: Mounting and Wiring

TB1

AC INPUT 1

1

AC INPUT 2

2

ECP (+) VOLTAGE

3

GND

4

5

Z1/ Z2 or DATA IN

11

RAD FLT

J1

7845i-GSM

2-7