
Nortel NTR651BS External Bridge Board for Nortel telephony systems.
The Nortel NTR651BS is an External Bridge Board (EXT BRG Board) designed for use within Nortel telecommunications systems. This circuit board provides bridging functionality, enabling conference calling and multi-party audio connections within the telephone network infrastructure.
The NTR651BS was typically deployed in Nortel PBX and key telephone systems where audio bridging capabilities were required. Bridge boards of this type allow multiple parties to be connected simultaneously on a single call, supporting conferencing requirements for enterprise communications.
As a legacy Nortel component, this board is no longer in active production following Nortel’s discontinuation. However, it remains relevant for organisations maintaining existing Nortel telephony infrastructure that require replacement parts or spares to extend the operational life of their installed systems.
Available from Tech Star as new or refurbished stock. Submit a price enquiry for availability and lead time.

| Platform | Meridian 1 |
|---|---|
| Manufacturer | Nortel |

| Platform | Meridian |
|---|---|
| Manufacturer | Nortel |

| Platform | Meridian 1 / CS 1000 |
|---|---|
| Manufacturer | Nortel |

| Platform | Nortel Passport/Ethernet Routing Switch |
|---|---|
| Manufacturer | Nortel |

| Platform | Nortel SDH Optical Network |
|---|---|
| Manufacturer | Nortel |

| Platform | Meridian |
|---|---|
| Manufacturer | Nortel |
| Key Features | Audio bridging functionality; Conference call support; Multi-party connection capability |
|---|---|
| Applications | Enterprise conference calling; Multi-party audio bridging; PBX telephony expansion |
| Compatibility | Nortel Meridian systems; Nortel PBX platforms |
| Platform | Nortel Meridian |
| Manufacturer | Nortel |
Prices change daily based on stock and supply.
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