VERKADA INC AC41 — INSTALLATION MANUAL
Verkada Inc. 405 E 4th Ave, San Mateo, CA, 94401
All specications are subject to change without notice.
Copyright © Verkada Inc . All rights reserved.
CONFIDENTIAL
Verkada AC41 is capable of supporting Verkada Readers over RS-485 and standard wiegand
readers. The following diagram shows the wire types that are recommended for use with the
Verkada AC41.
We recommend using one twisted pair for GND and VIN (power) and one twisted pair for the data (D0/D1 or A/B).
Shield Wiring
With the AC41, you must use shield wiring:
• Connect one end of the drain wire into the GND input of the AC41 cassette.
• The drain wire and the GND wire should simultaneously share the COM [Common] port on the cassette.
• The other end of the drain wire shouldn’t be connected to anything.
Recommended Wiring
INTRODUCTION
Signal AWG Twisted Pair Conductor Shielded Max Length
RS485 Comm - two wire 24 Yes Yes 4000 ft
Power (22 Gauge) 22 Yes Yes 600 ft
Power (18 Gauge) 18 Yes Yes 1500 ft
Request-to-Exit 22/18 Yes Yes 1500 ft
Door Contact 22 Yes Yes 1500 ft
Reader Option 1 (22 AWG) 22 Yes Yes 250 ft
Reader Option 2 (20 AWG) 20 Yes Yes 300 ft
Reader Option 3 (18 AWG) 18 Yes Yes 500 ft
Required Network Settings
An Ethernet connection with DHCP must be used to connect the AC41 to the Local Area Network (LAN). You also
need to congure rewall settings to communicate with the AC41.
• TCP port 443
• UDP port 123 (NTP time synchronization)
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