Avaya Definity TN775B EPN Maintenance Circuit Pack - Refurbished
- Part number
- TN775B
Only 3 left
Cleaned, tested and factory defaulted.
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Description
The TN775B is the maintenance circuit pack for Avaya (Lucent) Definity expansion port network (EPN) cabinets. It watches the cabinet's alarms, power and environment and reports them to the system.
Condition: Refurbished. Cleaned and fully tested.
What's included
- TN775B circuit pack
Key features
- Maintenance board for an Expansion Port Network (EPN) cabinet
- Monitors cabinet power, the battery charger, airflow and temperature sensors
- Three-position switch for emergency transfer control
- RS-232 port for an administration terminal
- Serial links to the port network's Expansion Interface (EI) circuit packs
- Installs in the EPN cabinet's maintenance slot
Specifications
| Part number | TN775B |
|---|---|
| Function | EPN maintenance |
| Terminal port | RS-232 |
| Emergency transfer | Three-position control switch |
| Compatible systems | Avaya Definity expansion port network cabinets |
Compatibility
- Avaya (Lucent) Definity expansion port networks (EPN cabinets)
- Communication Manager port networks that still use an EPN maintenance board
Before you buy
- Match the suffix on your existing board; later systems use the TN775C or TN775D.
- Check that your software release supports this vintage.
Part numbers
- TN775C: Later vintage
- TN775D: Later vintage
Warranty: This item comes with a 1-year warranty from Enterprise Resale Solutions.
Warranty and returns
Every order comes with our 90-day money-back warranty. Some items include a longer warranty, noted in the description. If there is a problem with an item, we replace it if we have stock, with a prepaid return label. Read the full warranty and return policy.
Avaya Definity TN775B EPN Maintenance Circuit Pack - Refurbished
$123.95