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LTC 8714 and 8715 Series | Instruction Manual | Installation
4
INSTALLATION
4.1
Power
Model
Rated
1
No.
Voltage
LTC 8714/60
120 VAC,
50/60 Hz
LTC 8714/50
220-240 VAC,
50/60 Hz
LTC 8715/60
120 VAC,
50/60 Hz
LTC 8715/50
220-240 VAC,
50/60 Hz
1
The model number and operating voltage are shown on the
bottom of the unit. These units are supplied with grounded
power cords; grounding must not be defeated.
2
At rated voltage.
4.2 Mounting
These units are supplied as desk top units. For rack
mounting, the LTC 9101/00 rack-mount kit is available.
These units are half-rack units.
4.3 Cover Removal
WARNING: Removal of the cover should
only be performed by qualified service
personnel–not user serviceable. The unit
should always be unplugged, before
removing the cover and remain unplugged
while the cover is removed.
The cover is fastened to the chassis by two screws on
the bottom near the rear of the unit. Disassembly is as
shown in FIGURE 1.
Figure 1 Top Cover Removal
Bosch Security Systems | May 23, 2005
Voltage
Nominal
2
Range
Power
105 to 130
10 W
198 to 264
10 W
105 to 130
10 W
198 to 264
10 W
Slide Cover Back
Remove Screws from
Bottom Rear Corners
(2) Places
4.4 DIP Switch Settings
The LTC 8714 Series Keyboard Port Expanders and
the LTC 8715 Expander communicate with the
Allegiant Series main bay and the Allegiant Series
keyboards via RS-485 communications. The LTC 8714
Series Keyboard Port Expanders and the LTC 8715
Series Expander contain internal DIP switches which
can be used to set the communication parameters.
The cover must be removed if the DIP switches need
to be changed from their factory default settings. See
FIGURE 1. The following table summarizes the DIP
switch settings and their associated features. Note that
after changing any of the DIP switch settings, the AC
power must be turned off and on before the changes
can take effect.
Figure 2 Location of DIP Switches
EN | 7
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