OpenVox G400P GSM Interface Card User Manual

The OpenVox G400P GSM interface card user manual provides hardware and software installation, safety guidelines, and configuration instructions.


OpenVox G400P GSM Interface Card User Manual - cover page
Brand
OpenVox
Category
Communications equipment
Document type
User Manual
Language
Chinese
Pages
28
File format
PDF
File size
1 MB
Published
28 September, 2026
Updated
28 September, 2026
MD5 checksum
1B47BCFF67B4A8703FFCF5B1E93A2226

About this manual

The OpenVox G400P is a 4‑channel GSM interface card that fits standard PCI 2.2 slots and combines GSM modules with SIM cards to enable VoIP PBX, SMS gateway, and GSM‑VoIP gateway applications. It supports multiple voice codecs and various GSM frequency bands for flexible deployment.

This manual covers safety precautions, hardware installation steps, PCI slot requirements, LED indicators, power connections, and GSM module handling. It also details software installation, driver loading, Asterisk integration, dial‑plan configuration, and provides hardware specifications and GSM frequency band tables in the appendices. This manual is written in Chinese.

What's inside

  • Safety Instructions
  • Test Environment
  • Hardware Installation
  • PCI Slot and Power Connection
  • LED Indicators
  • GSM Module and SIM Card
  • Main Chip Overview
  • Software Installation
  • Asterisk Integration
  • Appendix A – Hardware Specifications

Specifications

Weight212 g
Dimensions179 mm × 99 mm × 16 mm (L × W × H)
PCI InterfaceCompatible with 3.3 V and 5 V PCI 2.2+ slots
Power Connector12 V 4‑pin
Power Consumption30 W (four modules)
Operating Temperature0 °C ~ 50 °C (operating), –40 °C ~ 125 °C (storage)
Required RAM128 MB+
Minimum CPU800 MHz

Frequently asked questions

Which operating system and kernel versions are supported by the G400P?

The card is tested with CentOS 5.6 and requires a Linux kernel version 2.4.x or 2.6.x.

What GSM frequency bands does the G400P support?

It supports four‑band GSM/GPRS: 850 MHz, 900 MHz, 1800 MHz, and 1900 MHz.

How many GSM modules and SIM cards can be used with the G400P?

The card accommodates four GSM modules and four SIM cards.

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