TSC Index

The administered TSC index (1–759).

TSC State

inactive — the administered TSC is not functioning (D-channel out-of-service, disabled, etc.).

active — the administered TSC is up and user information can be exchanged end-to-end.

pending-inactive — the TSC is being released.

pending-active — the TSC is about to come up.

Establish

This field pertains to the switch responsible for the origination of the administered TSC.

as-needed — the TSC is established on an as needed basis.

permanent — the TSC is permanently established.

Enabled

y — indicates that the administered TSCs have been enabled.

Congested

A congested state indicates that the network cannot handle the receipt of USER INFORMATION messages for the administered TSC.

• y — the administered TSC is congested.

• n — the administered TSC is not congested.

• clear — the TSC was congested during its active period and the congestion has been cleared.