Specifications

Model SK-4224 Fire Alarm Control Panel Installation/Operation Manual
4-14 151068
4.7.3.1 Connecting the SK-2880 to the SK-2884
The control panel communicates to the I/O module through the Serial Interface Board (see
also Section 4.7.1). Figure 4-14 illustrates how to properly wire the I/O module to the Serial
Interface Board.
Figure 4-14 I/O Module Wiring
4.7.3.2 Setting the SK-2880 Address
The range of valid addresses is 0-3. Each serial device (SK-2866 included) requires a unique
address. Set the DIP switches as shown in Table 4-5. See Figure 4-14 for DIP switch location.
Table 4-5: SK-2880 Addresses Per DIP Switch Setting
DIP Switch Position Address
Both Open (off) 0
One Closed (on) 1
Two Closed (on) 2
Both Closed (on) 3
Supervised
Power Limited
SK-2880
SK-2884