Hayes Microcomputer Products RCV56HCF - Manual (Page 16)

RCV56HCF PCI/CardBus Modem Designer’s Guide
ROCKWELL PROPRIETARY INFORMATION 1129 1-10
RCV56HCF
MODEM
DEVICE
1123F1-3 AIF 3R-US
TELEPHONE LINE/TELEPHONE HANDSET
INTERFACE CIRCUIT
HEADPHONE
MICROPHONE
LCS_L1#
IRING_L1#
VOICE#
OH_L1#
CID_L1#
VC_L1
TXA1_L1
TXA2_L1
RXA_L1
BIAS
AUDIO/HEADPHONE
INTERFACE CIRCUIT
SSI
&
BRDGE
CALLID
RELAY
OH
RELAY
HYBRD
&
XFRMR TEL LINE
TEL HANDSET
VOICE
RELAY LCS
CUR
SRC
RNG
DET
SURG
PROT
MIC_M
MIC_V
SPKROUT_M
HANDSET
HYBRID
TELOUT_L1
TELIN_L1
AMP/
SOUNDUCER
(OPTIONAL)
Figure 1-3. Typical Audio Signal Interface (U.S.)