Meridian America 51 User Manual
PRACTICE 553-2201-182
Table 1-F
INPUT IMPEDANCE
CONNECTION FROM
REFERENCE
FREQUENCY
4W TRUNK TO PORT
IMPEDANCE
RANGE
Line
600
200-500 Hz
500-3400 Hz
500-3400 Hz
Trunk
600
Hz
500-1000 Hz
Hz
Note 1:
This parameter is for
trunks only.
Note 2:
A reference impedance of 600 resistive is used.
MINIMUM
RETURN LOSS
2 0
2 6
2 6
20
2 6
3 0
2 6
3 0
Table 1-G
IDLE CHANNEL NOISE
CONNECTION
TYPE
C-MESSAGE
WEIGHTED
WEIGHTED
3
FLAT
Line-Line
Line-Trunk
Trunk-Trunk
at line
at line
at trunk
at trunk __
Table 1-H
LONGITUDINAL BALANCE
LONGITUDINAL BALANCE
F R E Q U E N C Y
2 0 0
5 0 0
5 0 0
1 0 0 0
3 0 0 0
3 0 0 0
MINIMUM
BALANCE
AVERAGE
BALANCE
6 3
5 8
5 8
Note:
Measured according to IEEE Standard 455-1983.
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