XE0204 Typical Connection Diagram for a 2-Wire, Dial-up Line
Modem Analog
Front End
/Ring
Receive
Transmit
OHRLY
+5 Volts
XE0204
VCC
TxTIP
/RI
RCVR
XMIT
TxRING
OH
/4Wire
RxTip
Gnd
RxRing
10 ohms, 1/2 W
Teccor
P3100SB
10 ohms, 1/2 W
FerriteBead
FerriteBead
470 pFd
2600 Volts
RJ11
4
3
470 pFd
2600 Volts
XE0204 Typical Connection Diagram for a 2-Wire, Leased Line
Modem Analog
Front End
/Ring
Receive
Transmit
OHRLY
+5 Volts
XE0204
VCC
TxTIP
/RI
RCVR
XMIT
TxRING
OH
/4Wire
RxTip
Gnd
RxRing
10 ohms, 1/2 W
Teccor
P3100SB
10 ohms, 1/2 W
FerriteBead
FerriteBead
470 pFd
2600 Volts
RJ11
4
3
470 pFd
2600 Volts
XECOM
(5)
XE0204