Snom D7C Color Expansion Module for D785, D735 and D717
Frequently Asked Questions
Snom D7C Color Expansion Module for D785, D735 and D717
• The Snom D7C color expansion module is designed for users who need quick access to speed dials and busy lamp fields to stay productive throughout the day. It features 16 keys per page, totaling 48 programmable LED function keys. • Key features: • High-resolution color display (6.8”) • 16 highly programmable multicolor LED function keys • Fully configurable via host phone • Revised user interface • Theme and icon support • Custom background image support • Daisy chain up to 3 modules • Power supplied by phone via USB port • The expansion module is plug-and-play, easily connected via a USB cable to your D7xx series desk phone. • Note: The second D7C module will require an AC power supply if powering more than two expansion modules. • Dimensions: 10 x 10 x 5 in. Weight: 2 lb • Technical specifications: • Input voltage: 5Vdc (SELV) • Power supply: USB or 5Vdc power adapter (3), 10 Watts • USB 2.0 cable with angled type A plug • Environmental conditions: Ambient temperature 0°C to 35°C, non-operation -10°C to 45°C
About This Product
A key tradeoff to consider is that while the first module is powered directly via USB from the host phone, a second or third module will require an external AC power supply. This adds a small amount of desk clutter and an extra power outlet requirement, which is worth planning for in a tight workspace. The module is plug-and-play, so setup is straightforward, but it is important to note that it is only compatible with the D7xx series phones, not with older Snom models or other brands. For a small office with only a few extensions, this module may be overkill, as the phone's built-in keys might suffice. Conversely, in a large deployment with dozens of extensions, the D7C provides a cost-effective way to expand without replacing the base phone.
In a Canadian business context, the D7C works well with most SIP-based VoIP services commonly used in the GTA, such as those from local providers like Rogers Business or Telus. However, ensure your phone's firmware is up to date to avoid any compatibility quirks with Canadian carrier settings. The module's color display and customizable backgrounds add a professional touch, but the real value lies in the busy lamp field functionality, which can significantly reduce the time spent searching for contacts or checking extension status.
Services We Provide
- Professional Installation & Configuration
- Ongoing Maintenance & Support
- Troubleshooting & Repairs
- System Upgrades & Updates