Datasheet

Switching and Control | Switching and Control Systems | 455
Configured as a Remote Signal Distribution Unit (Figure 3)
Code Conversion Combined with Satellite Address Decoding
(Figure 4)
Legend for Figures 1, 2, 3 and 4:
1 Main Switcher Control Site
2 Bi-Phase Code
3 Receiver/Driver
4 Pan/Tilt Camera
5 Remote Pan/Tilt/Zoom Camera Site
6 Typical AutoDome Series Camera
7 Signal Distribution Unit
8 Main Allegiant Matrix Switcher
9 Code Merger Unit
10 Data Converter Unit Configured as Satellite Selector
11 Data Converter Unit Configured for RS-232 to Bi-Phase
12 Satellite Allegiant Matrix Switcher
13 RS-232 (Satellite Commands Only)
14 Shielded Twisted Pair Cable
15 Conventional Asynchronous Simplex RS-232 Transmission Link
16 Bi-Phase Code Out
17
Up to 1.5 km (5000 ft) Using 1 mm
2
(18 AWG) Shielded Twisted
Pair (Belden 8760 or Equivalent)
18 Allegiant Matrix System or the Output of a Controller/Follower
19 Allegiant Matrix System or the Output of a Controller/Follower Gener-
ating Control Code
20
Up to 1.5 km (5000 ft) Using 1 mm
2
(18 AWG) Shielded Twisted
Pair
21 Data Converter Unit Configured for Signal Distribution
22 Data Converter Unit Configured for Bi-Phase to RS-232
23 Conventional RS-232 Link
24 Satellite Site
Technical Specifications
Electrical
Model No. Rated Voltage Voltage Range
LTC 8780/50 230 VAC, 50/60 Hz 198 to 264
LTC 8780/60 120 VAC, 50/60 Hz 108 to 132
Power at Rated
Voltage
4 W
Indicators Power: Green LED
Code In: Green LED
RS-232 In: Green LED
Code Out: Red LED
RS-232 Out: Red LED
Connectors
Inputs Bi-Phase control code: One (1), 15-pin connector
(mating connector supplied)
RS-232: One (1), 9-pin male connector (pin compati-
ble with industry standard modem cable (mating cable
not supplied)
Outputs Bi-Phase control code: Three (3), 15-pin connectors
providing a total of 15 separate Bi-Phase outputs
(mating connectors supplied)
Console: One (1), 9-pin male connector (mating cable
compatible with Allegiant Console port supplied)
AC Input 3-wire power cord with grounded plug; 1.8 m (6 ft)
long
Mechanical
Construction Steel chassis with sheet metal cover and plastic bezel
Finish Charcoal
Dimensions
(W x D x H)
223 x 280 x 40 mm (8.77 x 11 x 1.59 in.)
Weight 1.6 kg (3.5 lb)
Environmental
Temperature Operating: –18°C to 50°C (0°F to 122°F)
Storage: –40°C to 60°C (–40°F to 140°F)
Humidity 10% to 90% relative, non-condensing
Vibration 3 g swept sine wave, 15 Hz to 2000 Hz
Shock 30 g, 11 ms, ½ sine
Options
LTC 9101/00
Rack Kit
For mounting one or two units in an EIA 48 cm (19 in.)
rack
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