LTC 8555 Series Instruction Manual Installation | EN 17 |
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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.
Allegiant side Modem |
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Dip Switch | Setting | Modem Function | Dip Switch | Setting |
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1 | DOWN | DTR Override | 1 | DOWN |
2 | UP | Verbal Result Codes | 2 | UP |
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3 | DOWN | Display Result Codes | 3 | DOWN |
4 | UP | Echo Offline Commands | 4 | UP |
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5 | DOWN | Suppress Auto Answer | 5 | UP |
6 | DOWN | Carrier Detect Override | 6 | UP |
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7 | DOWN | Load Factory Defaults | 7 | DOWN |
8 | DOWN | Smart Mode | 8 | DOWN |
5.3.5Console Expander Configuration When Using
Allegiant system main
CPU bay
LTC 8712 Expander
4 3 2 1
Refer to text regarding setup of the Allegiant
<C 8712 to operate in Allegiant Keyboard
mode.
full duplex
3 m (10 ft) data/ power cable supplied with keyboard
Junction box & power adapter supplied with LTC 8557 kit
Expander pin 2 (Rx) to Tx of link or directly to pin 3 of LTC 8557 box.
Expander pin 3 (Tx) to Rx of link or directly to pin 2 of LTC 8557 box.
Expander pin 7 (Gnd) to Data Gnd of link or directly to pin 1 of LTC 8557 box.
Figure 8: 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
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
Bosch Security Systems 29 August 2003