837-510 - VOLO 2 Door / 2 Reader Expansion Access Controller
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837-510 - VOLO 2 Door / 2 Reader Expansion Access Controller
837-510 - VOLO 2 Door / 2 Reader Expansion Access Controller
837-510 - VOLO 2 Door / 2 Reader Expansion Access Controller
837-510 - VOLO 2 Door / 2 Reader Expansion Access Controller
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VOLO - 837-510

VOLO 2 Door / 2 Reader Expansion Access Controller

I.P Connectivity

Product Description

VOLO Cloud Access Control is a highly scalable and flexible cloud-based access control solution, specifically designed to offer centralised control and remote management of multi-site premises and operations. With connectivity achieved over either the LAN or 2G GSM/GPRS mobile network.

The VOLO 837-510 model is the Expansion Unit for use in conjunction with the VOLO 837-500 Master Contoller.



VOLO's connection options of LAN or 2g GSM/GPRS offer huge flexibility in terms of access to remote locations whereby power is the only service required for VOLO to operate. This is further enhanced by offer real cost savings versus the alternatives of installing ADSL or Fibre.

The ACU will store up 4,000 events locally in the event of a loss of connection to the Amazon Web Services Cloud, ensuring no loss of event data.

What makes up a VOLO solution?

VOLO consists of three parts:

1. Access Control Units (ACUs):
Provide the hardware interface for each site or premises, facilitating the implementation and management of access control functionalities.

2. VOLO Cloud:
Enables installers and end-users to access and log in from any standard web browser, including smartphones, tablets, or PCs. This platform provides the capability to configure, administer, and manage the access control solution remotely.

3. VOLO Licences:
Facilitate continuous connectivity and access to the Access Control Units. This connectivity can be established through either an Ethernet or GSM/GPRS connection, ensuring ongoing and reliable communication within the system.

Find out more about VOLO cloud-based access control:

Specification Sheet

  • 2 door/2 reader EXPANSION controller
  • 10,000+ sites
  • 100,000+ users per controller
  • 128 Time zones
  • 512 Access levels
  • Activity reports
  • Web browser for desktop, tablet and phone
  • Distributed database, 1000s of events per controller
  • LED indications
  • Designed and manufactured in the UK
Description 837-510
Supply 100-240V AC 50/60Hz or 12/24V 2A AC/DC
Power consumption 2A max @12V, 500mA typ @12V
Temperature 32° to 120° F, 0°C to 55°C
PSU 12V DC 2A with charger
Battery backup 12V 7AH (not included)
Integrated modem (master only) Quad band GSM/GPRS
Ethernet 10/100 Mbps (controller to controller)
RS485 dataline 1000m max
EMC CE (R&TTE), FCC
Safety EN60950
Readers/keypads All Paxton clock and data and Wiegand 26 bit (not supplied)
LED indications Power, unlock, modem OK and diagnostics
Activity reports Weekly, monthly, daily
Housing Material Plastic
Dimensions (cabinet housing) 235(W) x 320(H) x 75(D) mm
Weight (Net) 1.30kg
Weight (Gross) 1.50kg
Accreditations
  • UVDB Registered
  • PLASA Member
  • Member of BESA
  • BSI 9001
  • ISCE supporting member