8
V.35 SYNC MODEM ELIMINATOR
3. Configuration
The V.35 Synchonous Modem Eliminator has seven internal user controls—
one four-position DIP switch and six jumpers—with which you can configure
the unit for a wide range of applications. This chapter tells you how to open,
set, and reclose the V.35 SME, and describes all of the unit’s possible
configuration settings (including its factory defaults).
3.1 Opening the Housing
Before you go any farther, answer these questions:
First, will your devices be using the V.35 SME’s internal clock, and do you
want carrier constantly ON and an RTS-to-CTS delay of 7 ms (the factory-
default settings for these options)? If not, you will need to open both the
middle portion and the top of the Port-B end of the unit’s housing: Skip
ahead and follow the directions in
Sections 3.1.1
and
3.1.2
.
Second, will your devices be communicating through the V.35 SME at
32 kbps (the factory-default data rate)? If not, you will need to open just the
middle portion of the unit’s housing: Skip ahead and follow the directions in
Section 3.1.1
only
(do
not
do
Section 3.1.2
).
If you are satisfied with all of the factory-default settings, you don’t need to
configure the unit at all; skip ahead to
Chapter 4
.
