Page412 of 544 NTAG26XM FR card
553-3011-100 Standard14.00 January 2002
Coincidence between 2 frequencies: must reject: < 10 ms
Intersignal Pause: must accept: > 25 ms
Maximum Diallin g Speed: must accept: 10 signals per second
Noise Rejection:
Error Rate in White Noise 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
Immunity to Impulse Noise 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
Error Rate from Power Lines 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
Table 1 31
XMFR receiver specifications (Part2 of 3)