Meridian Nortel 1 Option 11C Technical Reference Manual page 412

Page 412 of 544
Table 131
XMFR receiver specifications (Part 2 of 3)
Coincidence between 2 frequencies:
Intersignal Pause:
Maximum Dialling Speed:
Noise Rejection:
Error Rate in White Noise
Immunity to Impulse Noise
Error Rate from Power Lines
553-3011-100 Standard 14.00
NTAG26 XMFR card
January 2002
must reject: < 10 ms
must accept: > 25 ms
must accept: 10 signals per second
Better than: < 1/2500 calls
Test:
10 digit calls
nominal frequency @ -23 dBmO
ON/OFF = 50 ms/50ms
KP duration 100 ms
SNR = -20 dB
all digits
Better than: < 1/2500 calls
Test:
10 digit calls
nominal frequency @ -23 dBmO
ON/OFF = 50ms/50ms
KP duration 100 ms
SNR = -12 dBs
all digits
ATT Digit Simulation Test, Tape #201 from PUB
56201
Better than: < 1/2500 calls
Test:
10 digit calls
nominal frequency @ -23 dBmO
ON/OFF = 50 ms/50ms
KP duration 100 ms
60 Hz signal @ 81 dBrnc0 (-9dBm)
or
180 Hz signal @ 68 dBrnco (-22dBm)
all digits