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This Quick Start Guide is intended for experienced installing technicians. It is a basic reference to ensure all connections are properly made.
It is for models VAX-CR-35L-OSDP and VAX-CSR-6.2-OSDP. For additional information please refer to Vicon's website www.vicon-security.com.

1.0 Introduction

A key component of a physical security electronic access control 
system, a mobile-ready reader combining BLE and contactless 
smartcard technologies is based on RFID technology. In operation it is 
capable of reading data stored on a contactless smartcard credential 
via high frequency—or reading data from mobile credential stored in a 
smartphone’s wallet app via BLE technology—and without physical 
contact, and then passing the data obtained to the physical access 
control system. Access control systems typically manage and record 
the movement of individuals through a protected area, such as a 
locked door.

2.0 Mounting Provisions

Each reader may be installed either indoors or outdoors. Mounting 
options shown in the table below. Use supplied #6 mounting screws, 
or equivalent security screws, for installation.

Model

Mullion Mount

Single-Gang Wall Mount*

VAX-CR-35L-OSDP

VAX-CSR-6.2-OSDP

*

Plastic or metal

3.0 Cable Requirements

Cable, 4 conductor, 22 or 24 AWG [65 mm or 51 mm] twisted pair, 
over-all shield and UL approved (Belden 8273, or equivalent).
Maximum bus length: 4,000 ft – 24 AWG (1,219 m)
Maximum distance between: 1,640 ft – 24 AWG (500 m)

4.0 Reader Wiring

OSDP

Twisted Pair

Conductor

Function

Pair 1

Red

DC (8-14 VDC)

Black

Ground

Pair 2

Green

RS-485 Tx+

White

RS-485 Tx-

5.0 Output Formats

The SIA standard OSDP protocol is supported for clear and secure 
channel communication.
Default Address: 0
Default Baud rate: 9600bps (bits per second)
Default Secure Channel Key: 
SCBK_D = 0x303132333435363738393A3B3C3D3E3F.

OSDP Protocol Technical Support:
SIA OSDP Application Profile: Basic Reader (OSDP v2.2 and higher)

6.0 Grounding

Shield (drain) continuity must run from the reader to the access panel. 
Shield (drain) and reader ground must be tied together at the access 
panel and connect to an earth ground at one point.

7.0 Power

Reader may be powered by the access panel. A linear power supply is 
recommended for best operation.

8.0 Voltage and Current

Voltage: 8 to 14 VDC
Current Draw: 60mA typical, 250mA peak

9.0 Read Mode

Reader (OSDP “PD”) operation is controlled by the access panel 
(OSDP “ACU”) per the OSDP specification.

10.0 Connection

Connection must be done in accordance with NFPA 70. Do not 
connect to a receptacle controlled by a switch. Connect to a power 
limited DC voltage source.

11.0 Troubleshooting

1. When the reader is first powered on it will beep 4-times, and the

LED will shine red.

2. Presenting a supported access credential will result in the reader

beeping and the LED flashing once.

3. Mobile operation is optimized for smartphones supporting BLE

(Bluetooth LE) version 4.2 or newer. Further, for the downloading of
mobile access credentials, a stable, high-quality internet
connection is recommended.

4. OSDP communications with the panel will be established after the

reader has completed its start-up sequence. The panel can query
the reader for status using OSDP commands. Note, at this point,
the access panel controls the reader beeper and LED functionality.

If the reader does not recognize the card or tag (no beep, no LED 
flash), refer to possibe OSDP communications errors detected at the 
access control panel. Please see the table on reverse side for 
additional possible causes and solutions.

     Quick Installation Guide

      VAX-CR-35L-OSDP and VAX-CSR-6.2-OSDP 
      Mobile-Ready Contactless Smartcard Readers with OSDP Support

XX274-31

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