Bosch LTC 8555 Instrukcja Obsługi Pobierz pdf (Strona 16)

Bosch Security Systems | December 8, 2004

LTC 8100, LTC 8200, LTC 8300 Series | Instruction Manual | Installation Procedure

6.0 INSTALLATION PROCEDURE

CAUTION: Do Not Apply Power to

Equipment Until Instructed to do so.

6.1 Internal Selections

The LTC 8100, LTC 8200, and LTC 8300 Series

incorporate printed circuit boar/ds (PCB) that contain

user-selectable DIP switches. If necessary, follow the

instructions in the COVER REMOVAL Section below to

access the DIP switches. Removal of the cover should

only be performed by qualified service personnel.

The LTC 8x00 Series circuit board contains the video

input termination switches S0801, S0802, S0803, and

S0804 (S0803 and S0804 are only present on the

LTC 8300 Series). The video termination switches on the

Allegiant must be set to the correct position prior to

installation. Read the TERMINATION PRACTICES Section

prior to installing the system to determine if it is

necessary to change the video module termination

switches.

The circuit board contains two 8-position DIP switches

for system configuration options, and two lithium

batteries. The DIP switches can be used to modify certain

system operating conditions. Review the FACTORY

DEFAULT SETTINGS Section to determine if it is

necessary to change the DIP switches from the factory

default positions.

The circuit board’s lithium batteries require attention only

when it is necessary to change them. These batteries

enable the RAM memory to retain its contents for up to

a year without power. Since the batteries are not used

while the AC power is on, several years of service should

be expected before it becomes necessary to change them.

6.2 Enclosure Mounting

If the unit is to be installed into a standard 19-inch EIA

rack, remove the four (4) rubber bumper foot pads on the

bottom. Four holes are provided for mounting the bay in

the rack.

The LTC 8300 is supplied with the rack-mounting

brackets attached. The LTC 8200 and LTC 8100 are

shipped with the rack-mounting brackets unattached.

On these systems, the brackets must be attached prior

to being installed into a rack. Use the supplied offset

screwdriver to remove the two (2) star head screws

located on each side near the front of the unit. Then

attach the supplied rack mounting brackets to the unit.

If the LTC 8300 Series are not going to be rack-mounted,

the enclosure’s mounting brackets can be removed. The

cover of the unit must be removed before access to the

mounting brackets is possible.

6.3 Cover Removal

Cover removal is necessary only if changes need to be

made to the video input termination switches, system

configuration DIP switches, or batteries.

For the LTC 8300, the top cover is fastened to the

case by 4 screws located on the rear of the unit. For the

LTC 8100 and LTC 8200 units, the top cover is fastened

by 8 screws on the top and 4 screws on each side. Use

the supplied offset screwdriver to remove the star head

screws. After the screws have been removed, the cover

slides back and off the unit. Reverse procedure to re-

install.

WARN ING:

Electrostatic-sensitive device. Use

proper CMOS/MOSFET handling

precautions to avoid electrostatic

discharge.

NOTE: Grounded wrist straps must be worn and proper ESD

safety precautions observed when handling the electrostatic-

sensitive printed circuit boards.

ATTENTION

OBSERVE PRECAUTIONS

FOR HANDLING

ELECTROSTATIC SENSITIVE

DEVICES

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.

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