Bosch LTC 8555 Manual de instrucciones descargar pdf (Pagina 21)

Allegiant Keyboards Installation | en 17

Bosch Security Systems, Inc. Instruction Manual F.01U.127.290 | 2.0 | 2009.03

A modem interface requires the cable connections below. A user-supplied cable suitable for

RS-232 communications is required.

The modem on the Allegiant side must be set to an auto answer mode, and the modem on the

keyboard side must be set to an originate mode. In some cases, modem settings are

configured via dipswitches found on the back of the modem. In other cases, the modem must

be connected to a PC for configuration. The below settings represent the dipswitch

configuration required for US Robotics Sportster modems.

5.3.5 Console Expander Configuration when Using RS-232 Model Keyboards

RS-232 model keyboards may be connected to an Allegiant system using the LTC 8712 Series

Console Port Expander, as shown in Figure 5.7. An LTC 8712 Series Console Port Expander

can be configured to support up to four RS-232 Keyboard connections. Other devices, such as

a PC running the Allegiant Master Control software, can be connected to the unused ports of

the Port Expander. Because the Port Expander supports only a single baud rate for the

external connections, and the RS-232 keyboards require 9600 baud, all external devices

connecting to the Port Expander must be configured to for operation at this setting.

Figure 5.7 Configuration using LTC 8712 Series Console Port Expander

On Allegiant systems with a Printer port, up to two Console Port Expanders can be

connected, supporting a total of eight RS-232 model keyboards.

Allegiant System RS-232 Keyboard

9-pin Console Port 25-pin Modem 25-pin Modem LTC 8557 Hookup kit Terminal

1 (Chassis Gnd) 1 (Chassis Gnd) 2 3

2 (Rx) 3 (Tx) 3 2

3 (Tx) 2 (Rx) 7 1

4 (CTS) 8 (DCD) Tie pin 4 (RTS)

5 (RTS) 4 (RTS) and Pin8 (DCD)

7 (Data Gnd) 7 (Data Gnd) together

Tie pin 6 (DSR) and

pin 20 (DTR) together

Allegiant-side Modem Keyboard-side Modem

Dip Switch Setting Modem Function Dip Switch Setting

1 DOWN DTR Override 1 DOWN

2 UP Verbal Result Codes 2 UP

3 DOWN Display Result Codes 3 DOWN

4 UP Echo Offline Commands 4 UP

5 DOWN Suppress Auto Answer 5 UP

6 DOWN Carrier Detect Override 6 UP

7 DOWN Load Factory Defaults 7 DOWN

8 DOWN Smart Mode 8 DOWN

LTC 8712 Expander

Allegiant system main

CPU bay

Refer to text regarding setup of the Allegiant

& LTC 8712 to operate in Allegiant Keyboard

mode.

Junction box & power

adapter supplied with

LTC 8557 kit

User-supplied female

9-pin D connector.

3 m (10 ft) data/

power cable

supplied with

keyboard

User-supplied cable or other link

suitable for

full duplex RS-232 transmissions

at 9600 baud

Expander pin 2 (Rx) to Tx of link or directly to pin 3 of IntuiKey's 9 pin connector

Expander pin 3 (Tx) to Rx of link or directly to pin 2 of IntuiKey's 9 pin connector

Expander pin 7 (Gnd) to Data Gnd of link or directly to pin 5 of IntuiKey's 9 pin connector

234

4 5

7 8 9

Shot

MonProd

Clr

BOSCH

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