Specifications

Hardware Installation
151051 4-7
4.7 Optional Accessories Installation
This section describes how to install the optional accessories compatible with the SK-2224
control panel.
4.7.1 Installing the Serial Driver Board (Model SK-2884)
The SK-2884 is required if the installation uses any SK-2224 expansion devices such as
Model SK2865 (LED Annunciator). The SK-2884 interfaces all the expansion devices to the
SK-2224 control panel.
Follow these steps to install the SK-2884 Serial Driver Board:
1. Unplug the AC power connector from the SK-2224 control panel. See Figure 4-1.
2. Unplug the backup battery connector from the SK-2224 control panel. See Figure 4-2.
3. Plug the SK-2884 Serial board on SK-2224 control panel by aligning the 4-pin connector
and the stand-offs with their respective receptors. See Figure 4-8.
Figure 4-8 SK-2884 Connector and Stand-off alignment
4. Reconnect the AC power connector to the SK-2224 control panel. See Figure 4-1.
5. Reconnect the backup battery connector to the SK-2224 control panel. See Figure 4-2.