ICM9102M

Rev. 1.7.8D

ICmic reserves the right to change the specifications without prior notice

2

TYPICAL JACK CONNECTIONS TO ELECTRET-MIC HANDSET

Figure 2.1 Handset wire connection to the

board.

Figure 2.2 Handset wire connection to the

standard 616E jack.

TYPICAL CHARACTERISTICS

(Actual characteristics depends on the actual handset being used)

Symbol

Parameter

Test Conditions

Min

Typ

Max

Unit

Acoustic

SLR

Send Loudness Rating

0km

1

dB

RLR

Receive Loudness

Rating

0km

-6

dB

STMR

Sidetone Masking

Rating

0km

8

dB

ZAC

AC Impedance

0km

400

470

650

DTMF

DTMF Low Band Level

-11

-10

-9

dBm

DTMF High Band Level

-9

-8

-7

dBm

Twist

1

2

3

dB

Others

Resistance, on-hook

7

M

Resistance, off-hook

Loop = 25mA

300

Ring Level

80

85

dB

black:

mic+

red:

mic-

yellow: sp-

green:

sp+