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FEATURES

Keypad Programming

The PC2550 comes with a default program so it is

operational with a minimum of programming. It is

completely programmable from the keypad. The panel

uses EEPROM memory so that all information is retained

even if the panel loses both AC and battery power.

Multiple Level Static/Lightning

Protection

The PC2550 has been carefully designed and tested to

provide reliable service. It is built to take static and

lightning induced surges and keep on working. Multiple

level surge filters are on all zone inputs, the power

supply, the keypad connections, the bell output, the

auxiliary power supply and the telephone interface. A

special “ZAP-TRAC” circuit board configuration catches

high voltage impulses right at the wiring terminals.

Protective ground planes surround sensitive areas

preventing the spread of damaging voltage surges.

Metal Oxide Varistors (MOV’s) are placed in all the

critical areas to further reduce impulses to safe levels.

”WATCHDOG MONITOR” Circuit

Even when all precautions are taken so that voltage

surges do not cause damage to the control panel, it is

possible to cause temporary disruption to the operation

of the microprocessor causing it to lose track of the

program sequence. The PC2550 is equipped with an

external “Watchdog Monitor” circuit which continually

checks the microprocessor program execution.

System Supervision Features

The PC2550 continuously monitors a number of possible

trouble conditions including:

• An active battery supervision circuit that periodically

tests the battery under load.

• A loss of the AC power supply.

• A supervised circuit trouble condition.

• A telephone line monitoring circuit.

• A bell circuit failure indicates open circuit or fuse

failure.

• A test code feature which transmits a communicator

test code to the monitoring station at a selected time

everyday. The test code can be sent at intervals from 1

to 99 days.

• A bell/siren/communicator test feature which can be

activated from the keypad.

• TLM (Telephone Line Monitoring) restoral transmission.

Advanced Features

The PC2550 has many advanced features. Features

which provide the security system design flexibility and

selling advantage necessary to win those demanding jobs

and make them profitable.

Some of these features include

• EEPROM memory retains all data even on complete AC

and battery failure. Panel powers up in last armed or

disarmed state before power loss.

• All programmable zones may be selected as one of 10

different types including; delay, auxiliary delay, instant,

interior, interior with home-away, delay with home-away,

and 4 types of 24 hour emergency and supervisory

circuits.

• Keypad programming of up to sixteen security codes.

• Zone bypassing from the keypad.

• Individual zone and system function indicators on

keypad.

• A keypad activated utility output function for operating

lights, door openers, cameras or other devices.

Although the PC2550 has many features, it is not difficult

to use. All keypad commands are similar and are assisted

by audible and visual cues.

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