Nortel Networks 553-3001-211 manual Tolerate Intermodulation

Page 686 of 894 NTAG26 XMFR card

Table 215

XMFR receiver specifications (Part 2 of 3)

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
Tolerate Intermodulation:	Must tolerate @A-B and @B-A modulation products
	with a power sum
	28 dB below each frequency component level of the
	signals.

553-3001-211 Standard 2.00 September 2004