Dc Characteristics; Call Alerting Characteristics; Reliability Test - LG-Nortel SINGLE LINE TELEPHONE LKA-200 Product Specification

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6.4 DC CHARACTERISTICS

6.4.1 on-hook AC impedance
Required result:
f < 200 Hz :
697 < f < 1,633 Hz :
f > 3,200
6.4.2 off-hook AC impedance
Required result: 400 ~ 1,400 ohm
6.4.3 Return Loss
Required result: More than 10 dB through frequency range 200 ~ 3,200 Hz

6.5 CALL ALERTING CHARACTERISTICS

6.5.1 Minimum Ring Start Voltage
Required result: 20 ~ 40 Vrms at 20 Hz (typical 27 Vrms)
6.5.2 Ring sound level
Required result: (at distance 50 cm for ring signal 20 Hz 70 Vrms)
Maximum level :
6.5.3 Message Waiting Indicator
Required result: Minimum level 70 Vdc for MWI operation.

6.6 RELIABILITY TEST

6.6.1 Temperature test
Required result:
No operation error occurs during each condition;
1) Setup chamber in 0
2) Setup chamber in 40
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More than 25 kohm
More than
Hz : More than
more than 70 dBspl.
0
C for 12 hours
0
C at R.H. 85% for 12 hours
6
80 kohm
60 kohm
Issue 1 Jan 2006
LKA-200