GeoVision - 84-IOBOX16-120U - GV-IO Box 16 Port V1.20

Product Overview

The GeoVision GV-IO Box 16 Port V1.20 is a 16-input / 16-output expansion module with USB PC connectivity, supporting dry/wet contact sensors (9–30V AC/DC) and Normally Open relays. Up to 9 units can be linked via address selection. Note: Ethernet is not supported on this model (use the 16E version).

Key Configuration

• Inputs: 16 (dry contact + wet contact 9-30V AC/DC)
• Outputs: 16 relay outputs (Normal Open)
• USB relay capacitance: 30 VDC, 3A
• RS-232 relay capacitance: 125/250 VAC 3A / 30 VDC 3A
• Ethernet: RJ-45 10/100 Mbps (optional)
• Address selection: 0-9, A-F

Key Features

The GV-IO Box 16 Port V1.20 is a high‑density I/O expansion module featuring 16 inputs and 16 relay outputs (Normally Open) for connecting multiple sensors and controlling external devices such as alarms, lights, or door strikes. Inputs support both dry contact and wet contact sensors (9–30V AC/DC). Up to 9 GV‑I/O Box devices (4/8/16 models) can be daisy‑chained via address selection (0–9, A–F) for scalable I/O expansion.

Technical Context

The unit connects to a PC via USB (max 30V DC, 3A) for direct interface. Optional Ethernet (RJ‑45 10/100 Mbps) is available on the 16E model only — not supported on this V1.20 version. It is compatible with GV‑System version 8.2 or above and supports Windows XP/Vista/7/8/Server 2008 (32‑bit) and Windows 7/8/Server 2008 R2/Server 2012 (64‑bit). The Firefox browser is not supported.

Installation Notes

Measures 180 × 27 × 183 mm, operates from 0–50°C with 5–95% RH, and requires 12V DC, 1A power. Relay ratings: 30V DC, 3A (USB) and 125/250V AC 3A / 30V DC 3A (RS‑232). Address selection uses 0–9, A–F, with 120 ohm terminal resistance for RS‑485 communication, and Windows drivers are required for installation.