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LTC 8555 Series | Instruction Manual | Installation
EN
|
12
Bosch Security Systems | 29 August 2003
Figure 1: Typical Configuration using supplied data/power cable
Figure 2: Typical Configuration using optional LTC 8558/00 cable
For connections beyond 30 m (100 ft), the LTC 8557 Series Remote Hookup Kit can be used, as shown in
FIGURE 3. The LTC 8557 is also required when the keyboard is remoted over a long distance communication
link, such as a fiber optic system shown in FIGURE 4.
Figure 3: Typical Configuration using optional LTC 8557 Series Hookup Kit
Figure 4: Typical Configuration using fiber optic link
Allegiant system main
CPU bay
3 m (10 ft) data/power cable
(supplied with keyboard)
Allegiant Keyboard
Port
Allegiant system main
CPU bay
Optional LTC 8558/00 30 m (100 ft)
data/power cable
Allegiant
Keyboard Port
Allegiant system main
CPU bay
Up to 1.5 km (5000 ft) of
user-supplied 0.5 mm
2
(24 AWG) shielded
twisted pair cable
(Belden 9841 or equivalent)
Junction box supplied
with LTC 8557 kit
Power adapter supplied
with LTC 8557 kit
3 m (10 ft) data/
power cable
supplied with
keyboard
Junction box and 3 m (10 ft)
cable supplied with LTC 8557 kit
Allegiant system main
CPU bay
LTC 4600 Series, or other fiber optic
link designed for use with Allegiant
RS-485 protocol
Junction box and power adapter
supplied with LTC 8557 kit
Fiber link Fiber link
4 km (2.5 miles)
typical distance
3m (10 ft) data/
power cable
supplied with
keyboard
Junction box and 3 m (10 ft)
cable supplied with LTC 8557 kit
User-supplied shielded twisted pair
cable
(Belden 9841 or equivalent)
Allegiant
Keyboard Port