GV-EV48 - Access Control System Geovision - Free user manual and instructions
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| Product Type | Access Control System Board |
| Model | GV-EV48 |
| Brand | Geovision |
| Supported Doors | 4 doors |
| Communication Interface | TCP/IP, RS-485 |
| Reader Interface | Wiegand 26/34, OSDP |
| Inputs | 4 door contact, 4 exit button, 4 auxiliary |
| Outputs | 4 lock relays, 4 auxiliary relays |
| Power Supply | 12V DC, 2A |
| Dimensions (W x H x D) | 180 mm x 120 mm x 25 mm |
| Weight | 0.3 kg |
| Operating Temperature | -10°C to 55°C |
| Operating Humidity | 10% to 90% (non-condensing) |
| Main Functions | Access control, user management, event logging, scheduled access, anti-passback |
| Supported Card Types | EM, Mifare, HID (via reader) |
| Maximum Users | 10,000 |
| Event Log Capacity | 100,000 events |
| Maintenance | Periodic firmware updates and connection checks |
| Safety | Overcurrent protection, surge protection on inputs |
| Spare Parts & Repairability | Replaceable relays, terminal blocks; firmware upgradeable |
| General Information | Compatible with GV-AS Manager software |
Frequently Asked Questions - GV-EV48 Geovision
How do I reset the GV-EV48 to factory defaults?
Press and hold the reset button on the board for 10 seconds. The device will reboot with default settings.
What power supply is recommended for the GV-EV48?
Use a 12V DC power supply with at least 2A output. Ensure proper polarity to avoid damage.
How many doors can the GV-EV48 control?
The GV-EV48 supports up to 4 doors with dedicated inputs and outputs for each.
Can I use third-party card readers with this system?
Yes, the GV-EV48 supports Wiegand 26/34 and OSDP interfaces, compatible with most standard readers.
How do I connect the GV-EV48 to my network?
Connect an Ethernet cable from your network switch to the RJ45 port on the board. Assign an IP address via the software.
What software is required to manage the GV-EV48?
Use GV-AS Manager software, available from Geovision's website. It provides full configuration and monitoring.
How do I add a new user?
Open GV-AS Manager, go to User Management, click Add, enter card number and details, then assign access levels.
What does the LED indicator on the board mean?
A solid green LED indicates normal operation. Blinking red indicates a communication error or fault.
Can I use the GV-EV48 outdoors?
The board is designed for indoor use only. Install it in a weatherproof enclosure if used in damp environments.
How do I update the firmware on the GV-EV48?
Download the latest firmware from Geovision support, then use the firmware update tool in GV-AS Manager.
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Download the instructions for your Access Control System in PDF format for free! Find your manual GV-EV48 - Geovision and take your electronic device back in hand. On this page are published all the documents necessary for the use of your device. GV-EV48 by Geovision.
USER MANUAL GV-EV48 Geovision
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Product information
Brand : Geovision
Model : GV-EV48
Category : Access Control System