Video Bandwidth (-3 dB)
2
15 MHz
Frequency Response
(± 0.5 dB)
2
12 MHz
Signal-to-Noise-Ratio
1
70 dB at 3.58 MHz
unified, unweighted minimum
Crosstalk (at 3.58 MHz) Input to input: -60 dB
Adjacent channel: -50 dB (typical)
Hum 60 dB below the composite
1 Vp-p video signal from 60 Hz to
6 MHz
Differential Gain
1
Min. Nom. Max.
--- 0.6% 2%
Differential Phase
1
Min. Nom. Max.
--- 0.6° 1.3°
Chrominance Luminance
Gain
1
Min. Nom. Max.
96% 100% 104%
Chrominance Luminance
Delay
1
Min. Nom. Max.
-33 ns +3 ns +33 ns
Luminance Nonlinearity
1
Min. Nom. Max.
--- 0.3% 4%
Switching Crosspoint matrix
DC Output 0.34 V
Transient Protection
(VIM Cards)
350 W Peak Pulse Power
(tp = 8/20 µs
1 Meets EIA/TIA - 250C Medium Haul Standard for 256 cameras x 32 monitors.
2 One camera to one monitor.
Environmental
Temperature
Operating 4°C to 50°C (40°F to 122°F)
Storage –40°C to 60°C (–40°F to 140°F)
Altitude 4500 m (15,000 ft)
Humidity 0% to 95% relative, non-condensing
Vibration 3 g swept sine wave, 15 Hz to 2000 Hz
Shock 50 g, 11 m/s, ½ sine wave
LTC 8801 Series Main CPU Bay
Includes equipment rack, LTC 8810/01 microprocessor module, and
LTC 8805 Series power supply.
Power
Model No. Rated Voltage Voltage Range Nominal
Power
3
LTC 8801/60 120 VAC,
50/60 Hz
100 to 140 200 W
LTC 8801/50 220-240 VAC,
50/60 Hz
198 to 264 200 W
3 Power at rated voltage fully loaded.
Connectors
Video Inputs:
1 to 96
One (1) sync Input, and 32 monitor outputs
BNC
Video Connections:
97 to 256
Ten (10), 34-pin ribbon connectors used in
conjunction with the LTC 8808/00 video
interconnect panel (purchased separately)
Looping Video
Connections:
1 to 256
Sixteen (16), 34-pin ribbon connectors used
in conjunction with the LTC°8808/00 video
interconnect panel (purchased separately)
External Accessory Interfaces
Console 9-pin D-type RS-232 port for external PC or
control interface (default = 19,200 baud)
Alarm 9-pin D-type RS-232 port for Allegiant alarm
accessory unit (default = 19,200 baud)
Printer 9-pin D-type RS-232 port for system logging
printer
default = 19,200 baud)
SDA 9-pin D-type TTL level, high-speed control data
output (Bi-Phase) for interface to Allegiant series
signal distribution units
(data clock rate = 31.25 kHz)
COMM Port 9-pin D-type RS-485 port for interbay
communication use (default = 125,000 baud)
COMM Port 9-pin D-type RS-485 port for external Allegiant
accessory use (default = 125,000 baud)
Keyboards Eight (8), 6-pin RS-485 ports for Allegiant
keyboard use (default = 9600 baud)
Equipment Rack (LTC 8801)
Size
(W x D x H)
EIA 48 cm (19 in.) rack
483 x 420 x 267 mm
(19 x 16.5 x 10.5 in.)
Weight 11.1 kg (24.5 lb)
Construction/Finish
Top and Bottom Steel
Front, Sides, and
Back
Aluminum
Finish Charcoal
Microprocessor Module (LTC 8810/01)
Size (D x H) 300 x 250 mm (11.8 x 9.8 in.)
Weight 0.5 kg (1.1 lb)
5 | LTC 8800 Series Allegiant Matrix/Control Systems - Modular
(60 strony)
(2 strony)
(122 strony)
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