ADTRAN MX2800 M13 - Manual (Page 55)

MX2800 M13 Multiplexer User Manual Configuration, Section 3
61200290L1-1G 3-15
Figure 3-11. Line Identification Menu
XCV Threshold
This value sets a limit on excessive code violations (ECVs) accepted by the unit over an individual T1/E1
line before it switches controller cards. If set to
Disabled , code violations will not cause the unit to switch
controller cards. The threshold limits are described in Table 3-2 .
Table 3-2. XCV Threshold Limits for T1/E1
Setting The unit switches controller cards if...
1E -3 More than one out of every 1,000 bits received on a T1/E1 line contains a code violation
1E
-4 More than one out of every 10,000 bits received on a T1/E1 line contains a code violation
1E -5 More than one out of every 100,000 bits received on a T1/E1 line contains a code violation
1E -6 More than one out of every 1,000,000 bits received on a T1/E1 line contains a code violation