Specifications
Hardware Installation
151117 4-7
4.7 Optional Accessories Installation
This section describes how to install the optional accessories compatible with the SK-6324 
control panel. The control panel can have one SK-2104 dialer and up to four other accessory 
devices (any combination) connected to the serial bus. 
4.7.1 Wiring Expansion Devices To the Control Panel
The control panel uses a three wire connection to all of the compatible expansion devices (see 
Table 3-2).
Connect all the expansion devices to the control panel as follows:
Model 
Number
Name Description
SK-2866
Remote LED Annuncaitor Remote LED annunciator with system reset and silence key 
switch inputs. See Section 4.8.
SK-2880
Input/Output (I/O) Module Used to drive customized annunciators and interface devices. 
See Section 4.9.
SK-2104
Dialer  Used to communicate alarms, trouble and supervisories to 
central station. Offers 5 different reporting formats 3/1, 4/2, 
BFSK, SIA, and Contact ID.
Note:
See 
SK-2104 Installation manual P/N 151102
to install this accessory.
Table 4-1: Control Panel Wiring Connections
Control Panel 
Terminals
To
Expansion Device 
Terminal
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++
D (Data) D (Data)










