Long Time Waveform Distortion
1
0.8% maximum
Video Bandwidth (-3 dB) 17 MHz
Frequency Response ± 0.5 dB to 11 MHz
Signal-to-Noise-Ratio
1
70 dB at 3.58 MHz unified
unweighted minimum
Crosstalk (at 3.58 MHz) Typical: –65 dB,
Adjacent channel: –45 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 Min. Nom. Max.
94% 100% 109%
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 V
Transient Protection
(VIM Cards)
350 W Peak Pulse Power
(tp = 8/20 µs
1 Meets EIA/TIA - 250C Medium Haul Standard for 1024 cameras x 64 monitors.
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 8904 CPU Equipment Bay
The LTC 8904/60 and LTC 8904/50 include the equipment rack,
LTC 8910/01 microprocessor module, LTC 8905/90 power supply, and
LTC 8917/00 relay module.
Electrical
Model No. Rated Voltage Voltage
Range
Nominal
Power
2
LTC 8904/60 120 VAC, 50/60 Hz 100 to 140 30 W
LTC 8904/50 220–240 VAC,
50/60 Hz
198 to 264 30 W
2 Power at rated voltage fully loaded.
Connectors
Controller Port 9-pin D-type RS-232 port for an external PC or
computing device (default = 115,200 baud)
Console 9-pin D-type RS-232 port for an external
computer or a computing device (default =
19,200 baud)
Alarm 9-pin D-type RS-232 port for an Allegiant alarm
accessory unit (default = 19,200 baud)
Bi-Phase 9-pin D-type TTL level, high-speed control data
output (BiPhase) for interface to an Allegiant
series signal distribution units (data clock rate =
31.25 kHz)
COM Ports Two 9-pin D-type RS-485 ports for an external
Allegiant accessory use
Keyboards Eight (8), 6-pin RS-485 ports for an Allegiant
keyboard use (default = 9600 baud)
LAN RJ-45 high-speed LAN port for interface to
LTC 8902 Series and LTC 8903 Series bays via
LTC 8946 Series LAN switches
Components
Equipment Rack
Dimensions
(W x D x H)
EIA 48 cm (19 in.) rack,
440 x 394 x 86 mm (17.3 x 15.5 x 3.4 in.)
Weight 7.2 kg (15.85 lb)
Construction Metal case with plastic panel
Finish Charcoal
Microprocessor Module (LTC 8910/01)
Dimensions
(D x H)
300 x 250 mm
(11.8 x 9.8 in.)
Weight 0.5 kg (1.1 lb)
Power Supply (One-LTC 8905/90)
Relay Module (LTC 8917/00)
Dimensions
(D x H)
300 x 250 mm
(11.8 x 9.8 in.)
Front Panel Indicators Power, CPU activity
6 | LTC 8900 Series Allegiant Matrix/Control Systems - Modular
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