PL1

Service processing

Receives, transmits, and processes 16 channels of E1/T1 electrical signals.

Electrical port specifications

Supports sixteen 75/120*ohm E1 ports or sixteen 100*ohm T1 ports.

Tributary clock sources

• Extracts clock signals from the first channel.
• Supports re-timing of the cross-connect clock and tributary clock.
• Transmits E1 clock signals transparently.

Overhead processing

Processes path overheads (such as J2 and V5 bytes) at the VC-12 level.

Alarms and performance events

Provides various alarms and performance events, facilitating equipment management and maintenance.

Maintenance features

Provides the following maintenance features:

• Inloops and outloops at electrical ports
• Warm resets and cold resets (with warm resets having no impact on services)
• Board manufacturer information query
• PRBS function
• Hot board swapping

TPS protection

Not supported

2M ASON

Supported.