Bosch LTC 8555 Bedienerhandbuch PDF herunterladen (Seite 22)

18 en | Installation Allegiant Keyboards

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

To configure an Allegiant system to operate with an LTC 8712 Console Port Expander, you

must have access to the Allegiant CPU’s dipswitches, the PC-based LTC 8059 Master Control

Software, and possibly an Allegiant keyboard.

To convert an Allegiant Console port using a CPU dipswitch method, set dipswitches 3 and 4

to the ON position on CPU dipswitch S100, S1001, or S0201 (the switch number depends on

the Allegiant model being used). After a system reset (power off/on, for example), the

Allegiant’s Console port is forced into the Port Expander mode, and the RS-232 data rate is

automatically set to 57,600 baud. To convert an Allegiant Console port via the Master Control

Software, connect to the Allegiant and go online. Select the Parameter tab, and then the

Options tab. Check the box labeled Set Console Port to Port-Expander mode. Download the

table into the Allegiant.

To convert an Allegiant Printer port to operate in the Port Expander mode, first configure the

Printer port to operate as a Console port. This is done by setting dipswitch 4 to the ON

position on CPU dipswitch S101, S1002, or S0202 (the switch number depends on the

Allegiant model being used). After a system reset (power off/on, for example), the Printer port

will begin to operate as a Console port. Next, use either the Allegiant Keyboard User Function

38 or the Master Control Software to change the port to the Port Expander mode. If using the

Master Control Software, connect to the Allegiant and go online. Select the Parameter tab,

and then the Options tab. Check the box labeled Set Printer Port to Port-Expander mode.

Download the table into the Allegiant.

Set the internal dipswitches of the LTC 8712 Console Port Expander as follows:

Remember to power the Console Port Expander off/on whenever any changes are made to its

internal dipswitches.

Connect the data cable supplied with the LTC 8712 Console Port Expander between the unit

and the appropriately configured port on the Allegiant. For further details refer to the

instructions supplied with the LTC 8712 Port Expander unit.

Using an optional LTC 8557 Hookup Kit, the RS-232 keyboard can now be connected to the

appropriate port of the Port Expander, as shown in Figure 8.

If a modem is being used, follow the same connections and configuration settings described

in the previous section when interfacing directly to an Allegiant Console port.

Dip Switch Position Comment

401.1 ON (Down) 57,600 baud for System communication

401.2 ON Handshaking enabled for System communication

401.3 OFF Reserved

401.4 OFF Reserved

401.5 ON To enable Port 1 for RS-232 Keyboard mode

401.6 ON To enable Port 2 for RS-232 Keyboard mode

401.7 ON To enable Port 3 for RS-232 Keyboard mode

401.8 ON To enable Port 4 for RS-232 Keyboard mode

402.1 OFF 9600 Baud for external communications

402.2 ON 9600 Baud for external communications

402.3

OFF

Handshake disabled for external communications

402.4 OFF 1 Stop Bit for external communications

402.5 OFF No parity for external communications

402.6 OFF No parity for external communications

402.7 OFF 8 data Bits for external communications

402.8 OFF Reserved

1. Set this dipswitch to ON to enable handshaking if a modem is connected to the Port Expander and used

for communicating to an RS-232 keyboard. Because the Port Expander uses this setting for all external

connections, all external devices connecting to the Port Expander must be configured to operate using a

hardware handshake interface.

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