Bosch LTC 8555 Bedienerhandbuch PDF herunterladen (Seite 18)

Bosch Security Systems | December 8, 2004

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

6.5 Looping Video Connections

The Allegiant Series has outputs available for video

input looping connections. Looping connections for

LTC 8200 and LTC 8300 require the optional

LTC 8808/00 Video Interconnect (patch) Panel. The

patch panel provides 32 BNCs for video connections.

Patch panels are connected to the rear of the main bay

via supplied ribbon cables. Each cable can carry video

for up to 16 cameras. For LTC 8300 Series systems,

2 cables can be attached to the patch panel to support

up to 32 cameras. Each ribbon cable should be attached

to the appropriate VIDEO connector on the rear of the

main bay.

LT C 8808/00 Typical Use

Figure 4 Video Interconnect Panel

6.6 Keyboard Hookup

Connect a maximum of 4 (LTC 8300 or LTC 8200

Series) or 2 (LTC 8100 Series) system keyboards to

any of the keyboard ports (modular phone type jacks)

provided on the rear of the main bay. Be sure to

connect a keyboard to at least port #1.

NOTE: The LTC 8555 Series RS-232 type keyboards

are not connected to the standard keyboard ports.

The keyboards connect to the Console port, or to a

LTC 8712 Series Port Expander. Note that when

LTC 8555 RS-232 type keyboards are connected to the

system, the corresponding standard keyboard ports

are automatically disabled.

Each keyboard is supplied with a 3 m (10 ft) cable for

local hookups. Allegiant systems can provide power

to keyboards up to 30 m (100 ft) away via the optional

LTC 8558/00 hookup cable. For distances of up to

1.5 km (5000 ft), the optional LTC 8557 Series hookup

kit is required. This product is supplied with a remote

power pack, and requires user-supplied shielded twisted

pair (Belden 9841 or equivalent) for communication.

6.7 Biphase Control Code Output

Connections

Allegiant systems provide separate outputs (16 for

LTC 8300, 12 for LTC 8200, 8 for LTC 8100 Series) for

driving remote receiver/drivers, switcher/followers, and

satellite systems. Either star or daisy chain wiring

configurations may be used.

Connect shielded twisted pair cable between the camera

site receiver/driver locations (or other accessory device)

and any of the outputs provided on the Allegiant’s rear

panel. Use the straight slot side of the supplied offset

screwdriver to tighten the terminal block screws.

Maximum transmission distance is 1.5 km (5000 ft) using

1 mm

(18 AWG) shielded twisted pair (Belden 8760 or

equivalent). Contact removable screw terminal blocks are

provided with up to 4 separate connection groups per

block. Each group provides three connections; +, –, and S

(Shield). Do not mix connections between groups, i.e.

connecting one wire of the cable to the + of one group and

another wire of the same cable to the – of another group.

Each output is rated to handle up to 8 receiver/drivers, as

in a daisy chain configuration, to a maximum of 1.5 km

(5000 ft). Select and maintain a wire color convention to

avoid confusion at the various camera sites.

Example: White to +, Black to –, and Shield to S.

The CODE OUT LED located on the Allegiant front

panel will flash when the joystick, a lens control, or a

video switching action is activated. The CODE OUT

LED also flashes occasionally when system status

information is being generated by the system.

6.8 External Alarm Connections

The LTC 8100, LTC 8200, and LTC 8300 Series contain

integral alarm input and output connections. These alarm

inputs provide automatic display of video under alarm

conditions. The units accept up to 32 (LTC 8300),

16 (LTC 8200), 8 (LTC 8100) contact closures or logic

level inputs from remote sensing devices (door contacts,

PIRs, etc.). The alarm inputs are designed to generate

alarm conditions upon closure of the external contacts

(normally open contacts). The units also provide

6 (LTC 8300), 5 (LTC 8200), or 2 (LTC 8100) relay

closure outputs upon alarm conditions.

Alarm input connections are made to 12 contact

removable screw terminal blocks located on the rear panel.

Each terminal block provides 8 alarm input connections.

Lower

LTC 8809/00 Cable

Upper

LTC 8809/00 Cable

LTC 8300

1 2 ... 13 14 15 16 17 18 19 20 21 22 23 ... 63 64

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