Keri Systems NXT-WI Specsheet
NXT-WI
Wiegand Interface
• Allows connection of Wiegand output
readers to NXT Controllers
• Mounts on and connects directly to
NXT Controller
• Also mounts on and connects to NXT4X4 and GIOX Input/Output Expansion
Modules for applications where
controllers are centrally located and
access control access control functions
are moved closer to the door
Keri’s NXT-WI Wiegand Interface Module is designed to make it easy to connect reader technologies with
industry standard Wiegand output to NXT Controllers. The NXT-WI securely plugs directly onto an NXT
Controller or an NXT-4X4 or GIOX I/O Expansion Module with excellent mechanical and electrical integrity.
The option to bring the reader terminations to the I/O modules provides substantial savings in wiring costs
because door functions can be located closer to the reader/door, with only 4 wires required to be cabled to
centrally located controllers.
2305 Bering Drive San Jose, California 95131
408-435-8400 Toll Free: 800-260-5265 Fax: 408-577-1792
NXT- WI Wiegand Interface Module
NXT-RM-Wiegand Installation Drawing
DATA SHEET, Page 2 of 2
Wiegand Reader - D5 D2 - Dual-line LED - Keri default
RS-485 Comm - D8
J2
J2 Jumper Settings
for Reader Power
Speci cations*:
1
2
3
4
5
6
7
8
234
1
ConnectionPin #
n/a
Beeper
Red LED
Green LED
+ 12 VDC
Ground
Data0
Data1
5 6 7 8
Farpointe
Wire Color
Blue
Brown
Orange
Red
Black & Shield
Green
White
n/a
12VDC
D10 - 12VDC
Reader Power
Selected
SPECIFICATIONS
Size
Adds 1.25” to NXT PCB Depth
(3.2 cm)
Input Power
Adds up to 100 mA
to NXT power requirement
5VDC
Size (when mounted on an
NXT controller):
6.50 inches high by 5.50 inches
wide by 2.50 inches deep, not
including wiring connectors
(16.51 cm by 13.97 cm by 6.35 cm)
Weight:
1.28 oz
(36.6 g)
Power Requirements (max):
10 to 14 VDC @ 100 mA
(maximum current draw at 12 VDC)
Temperature/Humidity:
32’F to 140’F
(0’C to 60’C)
0-90% Non Condensing
Supported Reader Types:
Wiegand (single and dual LED control)
Note: LED and beeper control may vary
slightly between reader manufacturers
* Speci cations are subject
to change without notice.
Presented By:
PN: 01195-001 Rev. A
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