12 | LTC 89xx Series Allegiant Matrix/Control Systems - Modular
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
LTC 8901 Series CPU Equipment Bay
The LTC 8901/60 and LTC 8901/50 include the equipment rack, dual
LTC 8910/00 microprocessor modules, dual LTC 8905/90 power supplies,
and one LTC 8917/00 relay module.
Electrical
Model No. Rated Voltage Voltage Range Nominal Power
2
LTC 8901/60 120 VAC,
50/60 Hz
100 to 140 30 W
LTC 8901/50 220–240 VAC,
50/60 Hz
198 to 264 30 W
2. Power at rated voltage fully loaded.
Connectors
Controller Ports Two (2), RS-232 ports for an LTC 8943 PC controller
interface
Console RS-232 port for an external computer or a computing de-
vice (default = 19,200 baud)
Alarm RS-232 port for an Allegiant alarm accessory unit (default
= 19,200 baud)
Switch Ctrl Digital interface port for the LTC 8943 PC controller
Bi-Phase TTL level, hi-speed control data output
(Bi-Phase) for interface to an Allegiant series signal dis-
tribution units
(data clock rate = 31.25 kHz)
COM Ports Two (2), RS-485 port for an external Allegiant accessory
use
Keyboards Eight (8), 6-pin RS-485 ports for an Allegiant keyboard
use (default = 9600 baud)
LAN Two RJ-45 high-speed LAN ports for interface to
LTC 8902 Series and LTC 8903 Series bays via
LTC 8944/92 and LTC 8945/92 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 8 kg (17.6 lb)
Construction Metal case with plastic panel
Finish Charcoal
Microprocessor Modules (Two–LTC 8910/00)
Dimensions
(D x H)
300 x 250 mm (11.8 x 9.8 in.)
Weight 0.5 kg (1.1 lb)
Power Supplies (Two–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
Primary power
Primary fault
Back-up power
Back-up fault
Primary CPU in-use
Controller activity
Back-up CPU in-use
Auto-select mode
Primary CPU activity
Fault buzzer
Back-up CPU activity
Rear Panel Indicators
Relay outputs
3
Primary CPU fault
Back-up power supply failure
Back-up CPU fault
Any failure
Primary power supply failure
3. Relay Contacts: 24 VAC, 40 V peak, 1 A.
LTC 8902 Series Monitor Output Bays
The LTC 8902/60 and LTC 8902/50 include the equipment rack,
LTC 8916/00 data receiver module, and LTC 8906 Series power supply.
Electrical
Model No. Rated Voltage Voltage Range Nominal
Power
4
LTC 8902/60 120 VAC, 50/60 Hz 100 to 140 160 W
LTC 8902/50 220–240 VAC,
50/60 Hz
198 to 264 160 W
4. Power at rated voltage fully loaded.
Connectors
Video Outputs Four (4), 34-pin ribbon connectors used in conjunction
with the LTC 8808/00 video interconnect panel
Video Bus Con-
nections
Sixteen (16), 34-pin ribbon connectors interconnect with
LTC 8903 Series Camera Input bays using LTC 8809/00
ribbon cables
Console Port reserved for future use
COM 1 Port reserved for future use
COM 2 Port reserved for future use
EXT Sync BNC input used to synchronize the unit to an external sync
signal. Accepts composite video, composite sync, or the V
Sync output provided from another LTC 8900 Series ma-
trix bay
V Sync BNC connector provides an output signal to synchronize
an additional LTC 8900 Series matrix bay via its EXT Sync
input
External Data In-
terface
Two (2), RJ-45 high-speed LAN ports for interface to the
LTC 8901 Main CPU bay via system LAN Switches. (Con-
nected in parallel; one is used, one is reserved for future
use)
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