Quick Eagle Networks DL3800E manual Network Thresholds

4

	Table 4-7 NETWORK CONFIGURATION MENU Options (Continued)
Parameter	Description/Action
Suppress Yellow Detect	This item allows you to configure the unit to ignore or report RAI alarm
	conditions.
	To change the present Suppress Yellow Detect, use the UP and DOWN
	ARROW keys to highlight the item, and use the Space Bar to toggle
	between Enabled and Disabled until the desired choice appears. Highlight
	Confirm, and press the Enter key to confirm the change. (Default -
	Disabled)
Second Error Restoral	The second error restoral configuration is found on the Network
Interval	Configuration Screen on the DL3800E/3900s. Choices for configuration are
	immediate, 5, 10, 15, 30 seconds and 1, 5, 10, 15 minutes. As seen from
	previous discussions on fallback conditions, you should notice that it is
	possible that an E1 will constantly go in and out of service on a flaky circuit.
	Every time an E1 is taken out of service or put in-service this will
	momentarily affect your traffic on the other E1s. In order to prevent this
	problem second error restoral was created.
	Second error restoral is a feature that will allow the Imux units to monitor a
	bad E1 for a period of time after it has gone out of service and come back
	on-line. Once an E1 has come back after the first out of service state has
	occurred the Imux unit will monitor the E1 for the second error restoral
	interval selected. If a second out of service state occurs during the
	monitoring period the Imux unit will keep the E1 out of service (when the E1
	is good again) for the SER time. Every time a new error occurs with in the
	second error restoral period, when it is keeping the E1 out of service, will
	restart the SER counter. Once the SER timer expires the E1 will be restored
	and the process will start again. You can look SER like two strikes and your
	out for E1s on Imux units.

Network Thresholds

This menu allows you to enable/disable the automatic FALLBACK feature and set the various Network Alarm Thresholds that will cause the E1 lines to automatically be taken out of service.

Figure 4-14is an example of the NETWORK ALARM THRESHOLDS configuration screen.

4-28 DL3800E Inverse Multiplexer User’s Guide — July 9, 2001