Datasheet

Switching and Control | Switching and Control Systems | 471
LTC 8785 Series Code Converters
LTC 8785 Series units are designed for use in very old
Allegiant systems that have been upgraded to support
‘variable speed’ control code protocol. The LTC 8785
units are used to provide a source of 'fixed speed' control
code when the system is generating the new ‘variable
speed’ control code preferred by the AutoDome series of
PTZ cameras. The LTC 8785 receives variable speed
control code from the Allegiant via its LTC 8568/00 Signal
Distribution unit and converts it into appropriate fixed
speed control code. The ‘fixed speed’ control code
outputs from the LTC 8785 Series connect to the older
TC8561 Series receiver/drivers using the existing field
cabling.
Electrical
Model No. Rated Voltage Voltage Range Power
LTC 8785/60 120 VAC, 50/60 Hz 108 to 132 12 W
LTC 8785/50 230 VAC, 50/60 Hz 198 to 265 12 W
Indicators
•
Power
LED
•
Code
LED
Connectors
Inputs One (1), 9-pin Sub D connector
Outputs Sixteen (16), 6-contact removable screw terminal blocks
for code output. Maximum transmission distance is
1.5 km (5000 ft) using 1 mm
2
(18 AWG) shielded twist-
ed pair (Belden 8760 or equivalent).
AC Input 3-wire power cord with grounded plug; 1.8 m (6 ft) long
Mechanical
Construction/
Finish
Charcoal colored metal enclosure
Dimensions
(W x D x H)
445 x 318 x 89 mm (17.5 x 12.5 x 3.5 in.)
Integral mounting flanges for EIA 22.86 cm (9 in.)
rack
Weight 5.3 kg (11.7 lb)
LTC 8786 Data Converter Series
The LTC 8786 Series of data converters are designed to
convert Bosch “Receiver/Driver and AutoDome RS-232
Control Code Protocol” into Allegiant Bi-Phase control
code. These units are the preferred method for
transforming a single RS-232 data output from a DVR (or a
similar device) into multiple control code outputs for
operating AutoDome cameras. Either “star” or “daisy
chain” wiring configurations can be used from each of its
16 outputs. Using daisy chain, each output is capable of
driving 8 receiver/driver loads at up to 1.5 km (5000 ft.)
away using 1 mm
2
(18 AWG) shielded-twisted pair
(Belden 8760 or equivalent).
Refer to the LTC 8786 series datasheet for complete
specifications.
LTC 8016/90 Bilinx™ Data Interface Unit
The LTC 8016/90 Allegiant Bilinx Data Interface unit is an
accessory used for communicating over-the-coax, with up
to 16 Bilinx-capable AutoDome
®
and/or Dinion™ Series
cameras. Compatible with all seven Allegiant Series matrix
switcher/controllers, the LTC 8016 provides complete
control of pan/tilt/zoom, auxiliaries, and pre-position
functions of Bilinx enabled AutoDome Series cameras. In
addition, complete programming of Dinion Series cameras
and AutoDomes via their on-screen menus is supported.
Bilinx technology also supports camera-generated event
reporting to the Allegiant. This allows remote alarm inputs
and motion event data to be sent by the camera to the
Allegiant without the need for additional wiring between
the camera site and the main control location.
In addition, the LTC 8016 is designed so that other Bi-
Phase code generating products, like Bosch Digital Videos
Recorders, can be used with the unit for control of PTZ
functions and camera menu access over the video cable.
The LTC 8016 is supplied in an enclosure compatible with
mounting in an EIA 48 cm (19 in.) rack, requiring only a 1-
U rack height. To support large systems, up to 31 units
can be cascaded, comprising up to 496 Bilinx-compatible
cameras.
The LTC 8016 can also be used to transmit Bilinx
communications over a number of video transmission
systems. Example devices include fiber optic links and
external balun devices that use CAT5 twisted pair cables
for video communication.
Refer to the LTC 8016/90 datasheet for complete
specifications.
LTC 8808/00 Video Interconnect Panel
The LTC 8808/00 Video Interconnect panel provides the
LTC 8200, LTC 8300 Series, LTC 8600 Series, and
LTC 8800 Series systems the ability of looping up to 32
video inputs per panel. This 'patch' panel contains 32 BNC
connectors on its front panel for external video
connections and two 16-contact ribbon connectors on its
rear panel. Two, 2-meter (6-ft) 16‑conductor video grade
ribbon cables are included for interfacing the patch panel
to the video looping connectors on the rear panel of the
LTC 8200, LTC 8300 Series, LTC 8600 Series, and
LTC 8800 Series equipment bays.
Mechanical
Construction/Fin-
ish
Charcoal painted metal
Size One standard EIA 48 cm (19 in.) rack unit high and
one unit wide. Integral mounting flange design.
Weight 0.8 kg (1.8 lb)
www.boschsecurity.com Bosch Security Systems B.V.
8