Home » Phone Hardware » Avaya » Avaya TN1648B V4 System Access
Avaya TN1648B V4 System Access and Maintenance Card - Grade A
Only $97.95
Avaya TN1648B V4 System Access and Maintenance Card - Grade A
Previous Image
Avaya TN1648B V4 System Access and Maintenance Card - Grade A
Next Image

Avaya TN1648B V4 System Access and Maintenance Card - Grade A

SKU 103707 108183310 Refurbished (Grading Guide)
Was $222.99 You Save $125.04
In Stock

Select Options
90 Days
  • 15,000+
    5 Star Reviews
  • Free Shipping on Orders of $500+ in Continental US
    Free Shipping on Orders of $500+ *
  • Satisfaction Guaranteed
    Satisfaction Guaranteed
Have one to sell?
Item Information
The TN1648B is an SPE component that is used for maintenance on a DEFINITY R configuration. A processor in the TN1648B circuit pack runs control routines that connect to maintenance software. The TN1648B circuit pack has an alarm panel with five-LED and a toggle switch to manually inhibit automatic emergency transfer of PPN analog lines.


  • PPN alarm monitors and outputs including auxiliary alarms for auxiliary equipment and environmental monitoring for over-temperature conditions
  • Power supply sense and control for the carriers
  • Emergency transfer control for catastrophic failure. The circuit consists of a three-position toggle switch. The switch can be moved into the manual on position, manual off position, or automatic position.
  • Non volatile memory that contains the time-of-day clock, the telephone number for the Initialization and Administration System (INADS), login password, and product identification
  • Alarm panel information with major, minor, and warning LEDs, an ACKnowledge LED, and an emergency transfer LED


  • Avaya TN1648B Card 
Avaya TN1648B V4 System Access and Maintenance Card - Grade A
These items have been refurbished. Refurbished items have been cleaned, tested, and confirmed to be fully functional. Grade A - Refurbished items show wear from consistent use and can have some scratches and may have some yellowing or discoloration.

No Hassle Return Policy & PC Certified Guarantee

Rest assured, if you order the wrong items, don't like the model, or just don't need it anymore we accept returns with NO restocking fees. Whether you want something different or just a credit, we have you covered! This policy goes hand in hand with our company culture of delivering outstanding customer satisfaction.

If you need assistance finding a different product our awesome staff is ready to help. Contact us for expert support.

  • Item(s) must be returned within 30 days from invoice date.
  • Item(s) must be received in original condition preferably in the same packing materials.
  • Item(s) should be securely packed for safe return.
  • The purchaser is responsible for all shipping costs and insurance.


  • Products usually ship within two business days after payment. If you have a rush order, or need an item delivered on Saturday please call to request faster shipping.
  • All products are shipped and delivered on business days.
  • Fixed or free shipping offer does not apply to items shipped on pallets, please call for rates on those items. Free shipping offers only apply to the continental US.


9am-5pm EST

140 Stockton St.
Jacksonville, FL 32204

Special Deals & Savings!

Sign up to receive money saving deals & sales
Microsoft Registered Refurbisher Customer Reviews
© 2001-2023, All rights reserved, All trademarks held by their respective owners, Privacy Policy - Accessibility Policy