Nortel Meridian 1 Option 11C, Administration And Maintenance

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Page 474 of 492 Appendix A — 2Mb PRI implementation
553-3011-311 Standard 7.0 May 1999
CRC n1 n2 Cyclic redundancy check error count
1-(201)-255 for n1, 1-(97)-255 for n2.
n1 is multiplied by 4 to obtain the actual count,
giving an actual count range of 4-1020.
FBER n1 n2 Frame alignment problem error count
1-(28)-255 for n1, (1)-255 for n2.
GP2 T2 mt dt ct ot Group 2 error thresholds.
This is the maximum amount of time that can
occur before software checks the associated
thresholds of 120 to 32,640 msec and rounds
it to the closest multiple of 128 msec.
T2 = Error count values are in the range
1-(20)-255
mt = Maintenance threshold time
(MNT)(default =100S)
dt = No new data calls threshold time
(NNDC)(default =12S)
ct = No new calls threshold time (NNC)(default
=12S)
ot = Out of service threshold time
(OOS)(default =4S).
Note: The following requirements must be met
for input
mt = >dt = >ct = >ot.
Note: Threshold times must be one of the
following nnnnT, nnnS, nnnM, or nnH, where
MNG1 nnnM Maintenance Guard time Group 1
default = 15M
NCG1 nnnM No New Calls Guard time Group 1
default = 15M
OSG1 nnnM Out Of Service Guard time Group 1
default = 15M
MNG2 nnnS Maintenance Guard time Group 2
default = 15S
NCG2 nnnS No New Calls Guard time Group 2
default = 15S
OSG2 nnnS Out Of Service Guard time Group 2
default = 15S
Prompt Response Description