GXW4108 - Uncategorized GRANDSTREAM - Free user manual and instructions
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| Product Type | VoIP Gateway with 8 FXS Ports |
| Brand | Grandstream |
| Model | GXW4108 |
| Ports | 8 FXS (RJ11) for analog phones |
| Network Interface | 2x 10/100 Mbps Ethernet (WAN/LAN) |
| Dimensions (W x D x H) | 440 x 205 x 44 mm (1U rackmount) |
| Weight | 2.5 kg (5.5 lbs) |
| Power Supply | 12V DC, 2A (external adapter) |
| Power Consumption | 15W (max) |
| Protocols Supported | SIP v2, TCP/UDP/IP, RTP/RTCP, HTTP/HTTPS, SNTP |
| Voice Codecs | G.711 (µ/a), G.729A/B, G.726, iLBC |
| Management | Web GUI (HTTP/HTTPS), Telnet, IVR |
| Main Features | Auto-provisioning, T.38 Fax, Caller ID, Call Waiting |
| Security | TLS, SRTP, HTTPS, 802.1x |
| Operating Temperature | 0°C to 45°C (32°F to 113°F) |
| Humidity | 10% to 90% (non-condensing) |
| Mounting | Desktop or 19-inch rackmount (brackets included) |
| Maintenance | Regular firmware updates via web GUI; clean with dry cloth |
| Spare Parts / Repairability | Power adapter available; most repairs require professional service |
| Certifications | FCC, CE, RCM, RoHS |
Frequently Asked Questions - GXW4108 GRANDSTREAM
How do I reset the Grandstream GXW4108 to factory default?
Press and hold the Reset button on the front panel for about 7 seconds until all LEDs flash simultaneously. The device will reboot with factory settings.
What is the default IP address of the GXW4108?
The default IP address is 192.168.2.1. If it conflicts with your network, the device may use DHCP. You can find the IP via the phone line using IVR (press **** and follow prompts).
How many analog phones can I connect to the GXW4108?
The GXW4108 has 8 FXS ports, so you can connect up to 8 analog phones or fax machines directly.
Does the GXW4108 support Power over Ethernet (PoE)?
No, the GXW4108 does not support PoE. It requires a 12V DC power adapter (included).
How can I configure the GXW4108 for SIP?
Access the web GUI by entering the device's IP address in a browser. Navigate to FXS Port -> SIP Settings and enter your SIP server details, account, and password.
Can I use the GXW4108 with a fax machine?
Yes, it supports T.38 fax relay and G.711 pass-through for fax. Ensure fax settings are enabled in the web GUI under FXS Port settings.
How to update firmware on the GXW4108?
Download the latest firmware from the Grandstream support site. Log into the web GUI, go to Maintenance -> Firmware Upgrade, and upload the .fw file.
What does the 'Power' LED indicate?
The Power LED shows solid green when the device is powered on and operating normally. It blinks during boot or firmware upgrade.
Can I mount the GXW4108 in a server rack?
Yes, the GXW4108 is 1U rack-mountable. Attach the included rack brackets to the sides and secure with screws.
How to troubleshoot no dial tone on a connected phone?
Check that the phone is plugged into an FXS port (green jack). Verify the FXS port is enabled in the web GUI under FXS Port -> Port Status. Also ensure the SIP account is registered.
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