Grandstream GXW40xx series is a gigabit access gateway device launched by Grandstream. It has 4, 8 or 24 FXS interfaces, supports 2 SIP account profiles, supports T.38 fax, flexible dialing plans, security protection and other functions
The GXW40xx series is a compact, fan‑less analog IP gateway offering 4, 8 or 24 FXS ports, dual 10/100 Mbps network ports, optional PSTN line, and RS‑232 serial management. This quick installation guide walks you through unpacking, connecting power, phones, and network, and accessing the web interface for configuration.
Key steps include connecting analog phones to FXS ports, attaching the supplied 12 V power adapter, linking the device to a LAN or WAN port, and using a web browser to log in (default address 192.168.2.1, username admin) to set IP, SIP server, NAT, and codec options. The guide also covers factory reset and firmware upgrade procedures.
| FXS ports | 4, 8 or 24 ports |
|---|---|
| Network ports | Dual 10/100 Mbps Ethernet ports |
| Serial port | RS‑232 |
| Power adapter | 12 V universal adapter (included) |
| Supported codecs | G.711, G.723.1, G.726, G.729A/B/E, iLBC |
| SIP accounts | 2 profiles |
| Security protocols | SIPS, TLS, SRTP |
Use only the 12 V universal power adapter included in the package; other adapters may damage the unit.
Connect a PC to the LAN port, open a browser to the device’s IP address (default 192.168.2.1) and log in with username admin and password admin.
Unplug the Ethernet cable, insert a pin into the reset hole on the back panel and hold for about 10 seconds until the LED changes.