Keri-systems Doors.NET Manual Manual de usuario Pagina 225

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Doors.NET Reference Manual
- 225 -
PXL Controllers
The PXL hardware platform provides sophisticated access control solutions for up to 256
doors at a single site and thousands of doors spread over a number of remote sites. The
unique architecture and latest multiprocessor, RISC-based design techniques allow Keri
to offer the system hardware at a low cost compared to other manufacturers. It also con-
tains many features that simplify and significantly reduce the cost of installation.
The PXL controllers contain all the input/output functionality necessary to manage a
single door (lock relay, door sense, request-to-exit, and two reader inputs) as well as, in
the case of the PXL-500 an alarm output. Each controller has an RS-485 port for con-
nection to other PXL controllers (up to 128 per network) plus an RS-232 serial port for dir-
ect serial or modem communication and an Ethernet port for plugging in a LAN-520
module for Ethernet communication from the PC to the first controller.
o
Sophisticated Hardware Platform that reduces the total installed cost of access con-
trol
o
100% distributed intelligence, expandable 1 or 2 doors at a time
o
Great installer features including self-configuring hardware with no jumper settings,
digital address selection
and readout without DIP switches, quick disconnect terminals, and on-board dia-
gnostics
o
RS-485 networking, 256 door/ 65,000 user capacity
o
RS-232 port for direct PC or modem connection
o
On-board Lan socket for Ethernet communication using the low-cost plug-on LAN-
520 module
o
UL/CSA Certification: The PXL500 is UL certified under UL-508 (Control Equip-
ment)
o
Optional metal enclosure that can also house a KPS-4 power supply and backup
battery
o
More protection for RS-485 circuitry
o
Added relay protection for arc supression
o
On board diagnostic tests built into the controller firmware
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