7845GSM/7845GSMCN Installation and Setup Guide
2-2
Wiring the 7845GSM
Wiring for ECP, 4204 and Two-4204 Modes
Most Honeywell ADEMCO control panels support LRR-ECP data communication, (e.g.,
VISTA-10P, VISTA-15P, VISTA-20P, LynxR-I, VISTA-128BP and VISTA-128FBP). However,
there are some panels that do not. Check the Installation and Setup Guide for the control
panel you are using to see if it supports ECP communication.
Connect the 7845GSM to a compatible Honeywell VISTA control panel's ECP terminals, in
parallel with keypads and other peripheral devices such as RF receiver, VIP module, etc.
Wire length/gauge limitations are the same for the module as they are for keypads and other
peripheral devices. To wire the module for ECP or 4204 modes, see
Figure 2
and make the
following connections:
Table 1. Wiring connections for ECP or 4204 modes
7845GSM Control
Terminal 3 V+
+12 V Aux
Terminal 4 GND
Ground
Terminal 5 Data In
Data Out
Terminal 6 Data Out
Data In
7845GSM
VISTA CONTROL PANEL
7845GSM-009-V0
GND
ECP DATA OUT
ECP DATA IN
ECP (+) VOLTAGE INPUT
GND
DATA IN
BLK
YEL
GRN
RED
DATA OUT
+12 V AUX
2
6
1
4
5
3
TB1
BATTERY
K14139
J1
TRANSFORMER
AC INPUT 2
AC INPUT 1
Figure 2. Wiring a VISTA for ECP Mode or 4204 Modes
To install a 7845GSM with a LynxR-I Security System, wire the devices as shown in
Figure 3
. Refer to the LynxR-I Installation and Setup Guide.
Unshielded, 22 AWG cable is recommended for 7845GSM power/data wires.
WWW.DIYALARMFORUM.COM
WWW.DIYALARMFORUM.COM
