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3.1 Connect the Modem to Your System
Power off your computer. Place the modem in a convenient location. Connect it to your computer's serial port,
the telephone line, the leased line, AC power, and to your telephone (optional). See Figure 3-1 for an
illustration of this setup. See Sections 3.1.1 through 3.1.7 for detailed information on each connection.
Telephone
PSTN wall jack
3.1.1 C
Y
ONNECT TO
OUR
Plug one end of the serial cable into the RS-232 connector on the modem. Plug the other end into a serial port
connector on your computer, such as COM1 or COM2.
3.1.2 C
T
ONNECT TO THE
Plug one end of the modular phone cable into the modem's LINE jack. Plug the other end into a public
switched telephone network (PSTN) wall jack.
The LINE jack is not interchangeable with the PHONE jack. Do not plug the phone into
the LINE jack or the line cable into the PHONE jack.
Regulatory agencies may impose certain restrictions on equipment connected to
public telephone systems.
3. Installation
V.92 Dialup 2-Wire or 4-Wire Leased-Line
Data/Fax Modem
Figure 3-1. Modem connections with V.92 transformer.
PC
L
(D
ELEPHONE
INE
IALUP
Power supply
Computer
C
)
ONNECTION
CAUTION
NOTE
CHAPTER 3: Installation
9
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