PRACTICE 553-2201-182
Table 1-I
IMPULSE NOISE
CONNECTION NUMBER OF COUNTS ABOVE 55
dBrnC
AH 0
Note: For test purposes. a five-minute
couiiting
interval
is
used.
Table 1-J
INTERMODULATION DISTORTION
CONNECTION
TYPE DISTORTION LIMITS TEST SIGNAL
(dB
BELOW RECEIVED LEVEL) INPUT LEVEL
R2 R3 (dBm)
Line-to-Line
40
Line-to-Trunk
45
Trunk-to-Trunk
45
Note 1: Four-tone method is used.
43
53
53
-9
-9 at line
-13 at trunk
-13
.
.
Note 2: Test Signal Input Level is the composite power level of all four tones.
Table 1-K
ENVELOPE DELAY DISTORTION
BANDWIDTH
(Hz)
ENVELOPE DELAY DISTORTION
(&
LINE-LINE LINE-TRUNK/
TRUNK-TRUNK
800 to 2700 750
.375
1000 to 2600 380
190
1150 to 2300
300 150
Page l-4