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MD211
Conexant
5
MODEM
DEVICE SET
1154F1-3 AIF 2R-US
TELEPHONE LINE/TELEPHONE HANDSET/
TELEPHONY EXTENSIONS INTERFACE CIRCUIT
HEADPHONE
MICROPHONE
RINGD
~OH
VC
BIAS
AMP/
SOUNDUCER
(OPTIONAL)
AUDIO/HEADPHONE
INTERFACE CIRCUIT
SSI &
BRDGE
OH RELAY
HYBRD
&
XFRMR
TEL LINE
TEL HANDSET
SURG
PROT
MICV*
SPK
TXA1
RIN
TXA2
RNG
DET
* SP OR SVD MODELS.
** NON-(SP OR SVD) MODELS.
EXTENSION
PICKUP/
REMOTE
HANG-UP
~EXTOH
MICM**
Figure 3. 1-Relay Data/Fax/TAM DAA Interface (U.S.)
MODEM
DEVICE SET
(SP/SVD MODELS)
1154F1-4 AIF 2R-US
TELEPHONE LINE/TELEPHONE HANDSET/
TELEPHONY EXTENSIONS INTERFACE CIRCUIT
HEADPHONE
MICROPHONE
LCS
RINGD
~VOICE
~OH
VC
BIAS
AMP/
SOUNDUCER
(OPTIONAL)
AUDIO/HEADPHONE
INTERFACE CIRCUIT
SSI &
BRDGE
OH RELAY
HYBRD
&
XFRMR
TEL LINE
TEL HANDSET
VOICE
RELAY
LCS
CUR
SRC
RNG
DET
SURG
PROT
MICV
SPK
HANDSET
HYBRID
TELOUT
TELIN
TXA1
RIN
TXA2
EXTENSION
PICKUP/
REMOTE
HANG-UP
~EXTOH
Figure 4. 2-Relay Data/Fax/TAM/Speakerphone/AudioSpan DAA Interface (U.S.)