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Installation
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12
Installation Summary
The modem installation involves the following steps:
1.
Configuring the modem. See the section below.
2.
Connecting to a transmission line. See page 25.
3.
Connecting an RS-232 device. See page 26.
Configuring the Modem
You configure the modem using the two sets of DIP switches on the
component side of the modem, near the center. The switches can have
one of two functions, depending on how switch SW2-1 is set.
c
Setting switch SW2-1 to OFF configures the modem for high-
speed (Fast Poll) mode. In this mode, the switches correspond to
the functions in Table 2-1 (see page 13).
c
Setting switch SW2-1 to ON configures the modem for low-speed
(FSK) mode. In this mode, the switches correspond to the functions
in Table 2-3 (see page 18).
Note:
The modem has several jumpers. Do not change or remove the
straps from the jumpers.
High-Speed (Fast Poll) Mode
Table 2-1 shows the modem switch settings that can be used when the
modem is configured for high-speed (Fast Poll) mode. This mode is
enabled when switch SW2-1 is set to OFF. Following this table is an
explanation of these settings.