User's Manual

Chapter 3 Installation
3.14 Shelter/Room Alarm Connections
Duri
ng the installation procedure, several shelter/room alarm contacts/sensors (where
applicable) can be connected to the Break Out Board in the LB cabinet.
The following steps should be performed to connect an external alarm to the DRU:
1. Run a cable from the alarm contact/sensor to the DRU.
2. Loosen the domed sealing nut on the LB cabinet cable gland marked “ALARM”, which
is located on the bottom-left side of the DRU – see Figure 3-32
.
3. Feed approximately 72 inches of cable into the DRU and tighten the domed sealing
nut on the cable gland.
4. Run the cable along the bottom of the DRU, then up the left wall to the external
alarm terminal block – see Figure 3-35
.
5. Remove 4 inches of the outer insulation to expose the individual wires.
6. Remove 0.2 inches of insulation from the wires to expose the copper conductors.
7. Remove the appropriate jumper cable(s) from the Break Out Board pluggable terminal
block(s).
8. Insert the wires into the appropriate pluggable terminal block contacts and tighten
the clamping screws – see Table 3-9
for a list of contacts.
Figure 3-35 Break Out Board Installed in DRU
SX03-2000
0-01-M01 3-42