CHEPEST PRICE FOR USED - MAIN UNIT SOLD AS PICTURED-Used item, it is sold as pictured, please STUDY MY ACTUAL PICTURES of this item NOT THAT GENERIC STOCK ONE to see whats included with this sale and its overall condition. Do your research before buying to be sure it's what you need, there is a restocking fee for my items. I WILL WARRANTY THIS ITEM, PLEASE LEAVE MY PICTURED CUSTOM-MADE WHITE SECURITY TAMPER STICKERS OR SERIAL NUMBERS INTACT ON IT. If you have any questions, please contact me BEFORE buying. Pay attention to the posted estimated delivery time, all my items are shipped SIGNATURE REQUIRED UPON DELIVERY for security. Please buy accordingly, Thanks Additional Details ------------------------------ Product description: "Avaya IP Office 500 DS16 700449499 Digital Station 16 Port Expansion Module (Does Not Include Power Supply)

Features
- Adds 16 Digital Station (DS) Ports to Compatible Systems

Compatibility
- -------Compatible Systems-------
- Avaya IP Office 400 Systems (IP403, IP406, IP406 v2, IP412) with Software Level 2.1(31) or Higher
- Avaya IP Office 500 Systems with Release 4.2 Or Earlier Software with Professional Edition License
- Avaya IP Office 500 Systems with Release 5.0 of Higher Running IP Office Partner Version
- Avaya IP Office 500 v2 Systems with Release 6.0 of Higher Running IP Office Partner Version
- -----Compatible Telephones-------
- Supports Avaya 1400 Series Digital Telephones (1403, 1408, 1416)
- Supports Avaya 2400 Series Digital Telephones (2402, 2410, 2420)
- Supports Avaya 4400 Series Digital Telephones (4400, 4400D, 4406D+, 4412D+, 4424D+)
- Supports Avaya 5400 Series Digital Telephones (5420, 5410, 5420)
- Supports Avaya 6400 Series Digital Telephoens (6402, 6402D, 6408, 6408D+, 6416D+, 6416D+M, 6424D+, 6424D+M)
- Supports Avaya 9500 Series Digital Telephones (9504, 9505) with Version 7.0 or Higher Software
- Supports Avaya 3810 Wireless Digital Telephone

Other Information
- Requires 60W Earthed Power Supply (700357387), Not Included

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