Bosch LTC 1271 Series Manual de instalación descargar pdf (Pagina 6)

6 C2431M-I (4/07)

Esprit Installation

To install the TXB-B translator board in an Esprit system (refer to Figure 1):

1. Turn off power to the Esprit system.

2. Remove the left cover from the pan and tilt.

3. Remove the shorting plug from the 16-pin connector on the Esprit system’s circuit board.

4. Remove the nut and washer from the standoff on the Esprit system’s circuit board.

NOTES:

• Discard the 6-32 and 4-40 screws and their lock washers; they are not used in the Esprit system.

• Save the 16-pin shorting plug. Otherwise, the Esprit cannot be converted back to a Pelco-controlled

system.

Figure 1. Esprit System

5. Set the J1 jumper on the TXB-B to the proper termination setting (refer to Figure 2). Note the

following:

• By default, the J1 jumper is installed in the terminated position.

• All TXB-Bs in a daisy chain, except the last unit, must be unterminated.

• The total wire distance from the Bosch (Philips, Burle) controller to the last TXB-B in a daisy

chain must be less than 4,000 ft (1,219 m).

• A maximum of 10 receivers can be installed on a single daisy chain.

• To unterminate a TXB-B, remove the J1 jumper from the TXB-B and place it over one pin for

storage.

DIP SWITCHES

OFF

12345678

SW2 SW1

ESPRIT CIRCUIT BOARD

16-PIN CONNECTOR

STANDOFF WITH

NUT AND WASHER

NYLON

WASHER

PHILLIPS

SCREW

REMOVE SHORTING PLUG

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Bosch LTC 1271 Series Manual de instalación Pagina 6