LTC 8016/90 Instruction Manual Installation

EN 16

 

 

To connect the Interface Unit to a biphase controller, attach the biphase data cable from the controller to the biphase input terminal block on the rear panel of the Interface Unit. Use the straight slot end of the supplied offset screwdriver to tighten the terminal block screws. The Interface Unit supports daisychain biphase

connections to simplify connection to multiple Interface Units. If this type of connection is necessary, remove the termination resistor from the biphase output terminal block, and connect another user- supplied shielded twisted pair cable from the output of one Interface Unit to the input of another.

Power

Supply

Adaptor

LTC 5136

Data

Converter

Unit

Biphase Control

Code Output

 

 

 

CODE

 

ETHERNET

 

 

 

 

 

 

 

10/100 BaseT

 

 

 

 

 

 

 

 

 

LINK

 

ACT

15

13

11

PC

RS-485 IN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DATA

 

BIPHASE IN

 

 

 

 

 

INPUTS

 

 

 

 

0

 

0

 

0

 

 

 

 

 

8

2

8

2

8

 

2

 

 

12

RS-232

RS-485 OUT

6

4

6

4

6

4

 

16

14

 

 

GROUP ID

 

 

 

 

 

RS-232

Data &

Power

LTC 5136 Series Controller

9

7

5

3

1

 

LOOPING VIDEO 1-16

 

 

 

 

. . . . . . . . . . . . . . . . .

 

 

 

10

. . . . . . . . . . . . . . . . .8

6

4

2

 

LTC 8016 Interface Unit

Figure 10 Biphase Data Interface Connection Detail

4.8Data Connections Using Biphase RS-232 Protocol

The Interface Unit can be connected directly to Bosch Security System products that generate biphase control data in RS-232 format. These products include the PC-based DiBos, and DESA Series Digital Video Recorders.

Typically, the RS-232 interface of the controller first connects to an optional LTC 8786 or LTC 8780 Data Converter accessory unit. The outputs from the Data Converter Unit can be connected to P/T/Z cameras or other devices designed to receive standard biphase code protocol.

Although the LTC 8016 is capable of receiving standard biphase protocol, it can also directly accept biphase in an RS-232 format. Any controller capable

of generating biphase data in an RS-232 format operating at 9600, 19200, 57600, or 115200 baud, with 8 data bits, no parity, and 1 stop bit, can be connected to the Interface Unit.

When RS-232 communication is first established, the Interface Unit may require 3 to 5 seconds to automatically detect and adjust to the controller’s baud rate. No control of cameras is possible until this process is completed.

Refer to the portion of the next section that is applicable to your configuration, based on the controller product being connected to the Interface Unit.

Typical PC-based DVR Unit

User-supplied Cable (see text)

 

 

 

CODE

 

ETHERNET

 

 

 

 

 

 

 

 

 

10/100 BaseT

 

 

 

 

 

 

 

 

 

 

 

LINK

 

ACT

15

13

11

9

 

PC

RS-485 IN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DATA

 

BIPHASE IN

 

 

 

 

 

INPUTS

 

 

LOOPING VIDEO 1-16

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8

0

8

0

8

0

2

 

 

 

 

. . . . . . . . . . . . . . . . .

 

 

2

2

 

 

14

12

 

. . . . . . . . . . . . . . . . .

RS-232

RS-485 OUT

6

4

6

4

6

4

 

16

10

 

 

 

 

GROUP ID

 

 

 

 

 

 

 

LTC 8016 Interface Unit

Biphase RS-232 Code Output Data

7

5

3

1

8

6

4

2

Figure 11 Biphase RS-232 Data Interface Connection Detail

Bosch Security Systems 18 August 2005

Page 16
Image 16
Bosch Appliances LTC 8016/90 instruction manual Data Connections Using Biphase RS-232 Protocol, Typical PC-based DVR Unit

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