Nortel Networks 411-2021-111 manual Audio Interface, Alarms

7-2DualMode Metrocell Cell Site Specifications

Transmit path insertion loss (including ATC, duplexer and cable losses):

8 channels	-4.4 dB maximum
16 channels	-4.7 dB maximum
24 channels	-5.0 dB maximum

Minimum antenna input RF power (at the ANT port of the duplexer):

8 channels	38.6 dBm (7.33 watts)
16 channels	38.3 dBm (6.68 watts)
24 channels	38.0 dBm (6.38 watts)

Intermodulation spurious emissions< -60 dBc

Receive path insertion gain (ANT port of duplexer to TRU input port) +3 dB ±2 dB

Receiver sensitivity for 12 dB SINAD C message weighting:

Analog mode	< -119 dBm
Digital mode	< -113 dBm
Receiver de-sensitization	< 3 dB
Antenna port impedance	50 ohms unbalanced
Audio Interface
Audio impedance	600 ohms balanced
Audio output levels:	Nominal -18 dBm @ ±2.9 kHz
	Adjustable in fractional units, up to two
	decimal points, from -28.0 dBm to -10.0
	dBm for the transmit path and from -28.0
	dBm to -16.0 dBm for the receive path
Alarms
Base station	192 points
Auxiliary alarms	16 assemble points (cabinet, power, tower,
	etc.)
411-2021-111 Standard 01.01 June 1996