Chapter 7 BCU Modem Installation
176 BMTW-SVN01F-EN
Figure 83. Internal Modem Jumper Settings for Trane Part Number
4020 1020
Figure Note:
Trane part number 4020 1020 is the U.S. Robotics Sportster “Plug and Play” 56K
data/fax internal modem.
Modem Function Settings
A modem installed in a BCU must first be configured through Tracer
Summit in order for it to answer incoming calls and to dial out alarms, if
set up for remote event routing. Some modems may include DIP switches
for configuring the modem functions; however, those settings are nor-
mally overridden through software configuration. Trane-supplied
modems are all set through software. Table 34 on page 177 provides a list
of the modem function settings configured through Tracer Summit when
a modem object is programmed for a BCU.
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