Controlling The Video Quad Processor Remotely - Bosch LTC 2380 User Manual

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Video Loss Alert Technical specifications
The LTC 2382/90 may be programmed to produce an alarm if the video signal to any of the
four camera inputs is lost or defective. (NOTE: Video Loss Alert must be ON for the respective
input). A loss of video produces the following:
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–
2.5.2

Controlling the Video Quad Processor Remotely

The LTC 2382/90 Video Quad processor allows for remote communications over the RS-232
protocol. Use the 15-pin D-type connector, located on the rear panel, to connect the video
processor to a computer. This connection is facilitated by an adapter/break-out board, as
illustrated below:
Figure 2.18 Multiple Unit Remote Configuration
1
2
3
4
5
The signal format for the RS-232 protocol is:
–
–
–
NOTICE! Control commands for the LTC 2382/90 Video Quad are identical to those for the
i
LTC 2376/LTC 2377 Quad. The wiring requirements and the baud rate, however, are different.
Using the RS-232 Protocol
Once the video processor is connected to the computer, you can use the RS-232 command
set to control the video processor. The RS-232 command set is broken into two groups:
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F.01U.090.110 | 3.0 | 2010.04
The Video Quad displays the video loss icon on the monitor.
The Video Loss output (Relay 2) is active.
5
IN VCR IN
ALARM/REMOTE ALARM/REMOTE
GND GND
OUT VCR OUT MON 5V DC
3 4 3
8
9
DVR
Switcher
Transmitting (Tx)
Receiving (Rx)
LTC 2382/90 Unit 2
Data Format: 9600 Baud / 8 Data Bit / No Parity / One Stop Bit
Mode: Duplex
Unit echoes received characters.
Front Panel Key Commands
Parameter Set/Read Commands
1
2
6
IN VCR IN IN
ALARM/REMOTE
GND
OUT VCR OUT MON 5V DC OUT
4 3 4
UNIT ID: 001
6 LTC 2382/90 Unit 1
7 LTC 2382/90 Unit 0
8 Ground
9 Maximum length of any common link: 15.4 m (50 ft)
10 Central PC/Terminal
User's Guide
Digital Video Quad Processor
7
VCR IN
VCR OUT MON 5V DC
UNIT ID: 000
3
4
10
Bosch Security Systems, Inc.