1728EX 7-Zone Control Panel (expandable to 15) from Paradox

Spectra offers a combination of innovative features and an advanced communication bus for a unique expandable security system. Through its communication bus, Spectra can be expanded via wireless and hardwired expansion modules and a variety of accessory modules. With its reliable communication technology, flexible expansion and great-looking keypads, Spectra is an ideal security system for any residential or commercial installations that require up to 16 zones of protection.

• Expandable to 16 zones (1738 and 1738U2)
• Expandable to 15 zones (1728EX and 1759EX)
• 6-zone local security system (1727)
• 2 partitions*
• 48 user codes*
• 256 event buffer*
• Built-in wireless receiver (1759EX only)

* Except 1727

• 4-wire communication bus
• 5 zone inputs + 2 keypad zones
• Up to 8 expansion zones
• 2 PGM outputs
• 1.5A switching power supply
• 1 supervised bell output and 1 supervised auxiliary output
• 1 supervised telephone line
• Connect modules up to 75m (250ft) using 18AWG or 22AWG
• Includes one 20cm x 25cm x 8cm (8" x 10" x 3") metal box

• Technical Publication
• Sales Brochure