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Description - Bosch LTC 8780 Serie Manual De Instrucciones

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Description

The LTC 8780 Series are data converter units that are designed to operate with the Allegiant®
Series of video matrix switcher/controllers or other controller devices that generate biphase
control code. The LTC 8780 Series converts the biphase control code, generated by the Alle-
giant system into standard RS-232 and converts RS-232 back to biphase code. This provides
transmission of the biphase control code over conventional RS-232 transmission media
(phone modems, fiber optics, microwaves, etc.). In addition to operating as a 15 channel
remote signal distribution unit, the LTC 8780 Series can also be used to perform the Satellite
Selector functions in Allegiant Satellite system configurations. A conceptional operational
block diagram is shown in Figure 2.1 on page 2, and may be used for reference purposes.
Fig. 2.1 LTC 8780 Series Conceptional Operational Block Diagram
Reference
Input
1
Address select DIP switches
(S103 and S104)
2
Match On
3
Match Select (S102-4)
4
Match Off
5
Match CCL Data
6
CCL commands select (S102-3)
7
Address function select (S101-4) 19
8
Biphase code In
9
Biphase decoder
10
Receiver/driver select (S102-1)
11
XPoint data select (S102-2)
12
Match receiver/driver data
F01U066145 | 1.0 | 2007.04
Reference
Input
13
Combiner
14
RS-232 baud (S101-1, 2) and control select (S105)
15
Console connector
16
Console output
17
RS-232 converter
18
Biphase data
RS-232 data
20
RS-232 connector
21
Biphase output data source (S101-3)
22
Biphase code distribution unit
23
Biphase code out
24
Biphase output connectors
Instruction Manual
LTC 8780 Series
Bosch Security Systems, Inc.

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