Verilink PRISM 3111 (34-00242) Product Manual - Manual (Page 70)

62 C HAPTER 4: T ERMINAL I NTERFACE
Severely Errored Seconds
A one second period in which at least 320 CRC errors or 1 OOF (out-of-frame)
occurred.
Loss of Signal Seconds
A one second period in which the T1 received signal is interrupted.
Unavailable Seconds
A one second period in which consecutive severely errored seconds cause an
unavailable state.
DTE LOS/OOF Seconds
A one second period where the T1 DTE received signal frame synchronization is
interrupted or the amplitude drops below a certain level.
Remote Alarm Seconds
Generated by the terminal equipment when an improper signal is received from the
facility (or upon receipt of unframed all ones).
AIS Seconds
One second period when unframed all ones are received.
Out of Frame Seconds
A one second period in which a frame sync loss occurred.
BPV Seconds
A one second period in which at least one bipolar violation occurred.
Alarm Reset Timer
Determines the number of consecutive seconds after alarm conditions clear before
indications are removed.
Port Configuration The Port Configuration screen (Figure 4-11) sets the operating parameters for each
high speed port. The unit does not allow conflicting configurations for the DTE
ports. Therefore, the selections for each menu item are restricted to those that do
not conflict with the configuration of the other interfaces. The default is all
channels disabled.