Specifications

Reference Guide 6-27

WAN Card WAN Card User Screens and Settings

EER THRHD

The Excessive Error Rate Threshold selects the error rate, which an alarm is declared. This

setting interacts with the EER setting in the Alarm Filters of your system. The options are

10e-4

through

10e-9,

none

RDNT RULES

The selection of Redundancy Rules will define the method of determining what event will

trigger a WAN port to switch to its redundant mate. The options are

none

OOS,

CGA

. If

there is no redundant WAN card in the appropriate slot, the only option that will appear is

n/a

GROUP

The Group setting identifies a method of link-fail alarm propagation from upstream trunks to

downstream tributaries. Selection of group is a two-step process. After identifying the group

number (1-4), the user must select the secondary group (A [child group], B [child group], or

C [parent group]). The group setting is normally used for transcoder applications. See the

groups diagram and discussion earlier in this chapter.

6.3.3 Cross-Connect (XCON)

The Cross-Connect (Xcon) command in the Main WAN screen allows you to view the

Cross-Connections that have been set up in the system. Highlight the WANs on the card and

press the

(Xcon) to select Cross-Connect. Either an E1 screen (Figure 6-25) or a T1 screen

(Figure 6-26) will appear, depending upon the WAN highlighted. This is a display-only screen.

Time slot and cross-connect configuration are discussed in the System Operations chapter of

this manual.