
Lucent 0800-0870-001 APX81-SL-LPM Line Protection Module for APX8100 optical transport system.
The Lucent 0800-0870-001 is a Line Protection Module (LPM) designed for the APX8100 series optical transport platform. This single-line protection module provides automatic protection switching capabilities to ensure service continuity in the event of a fibre path failure or signal degradation.
The APX81-SL-LPM is deployed within Lucent APX8100 multiservice provisioning platforms, which were widely used in metropolitan and regional optical networks. The LPM enables network operators to implement protection schemes that minimise traffic disruption and maintain high availability for critical telecommunications services.
This is a legacy product from Lucent Technologies, predating the Alcatel-Lucent merger. While no longer in active production, the APX8100 platform remains deployed in various carrier networks, creating ongoing demand for replacement and spare modules.
Available from Tech Star as new or refurbished stock. Submit a price enquiry for availability and lead time.

| Platform | Lucent TNT Access Concentrator |
|---|---|
| Manufacturer | Lucent |

| Platform | Lucent 1650/1662 SMC |
|---|---|
| Manufacturer | Lucent |

| Platform | APX Series |
|---|---|
| Manufacturer | Lucent |

| Manufacturer | Lucent |
|---|

| Manufacturer | Lucent |
|---|
| Key Features | Single-line protection switching; Automatic failover capability; Hot-swappable module design |
|---|---|
| Applications | Metropolitan optical networks; Regional carrier infrastructure; SONET/SDH ring protection |
| Compatibility | Lucent APX8100 multiservice provisioning platform |
| Specifications | Line protection module (LPM); Single-line configuration |
| Platform | APX8100 |
| Manufacturer | Lucent |
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