UCM communication links
BMTX-SVN01C-EN 5
UCM communication links
For wiring specifications, see Chapter 5, “UCM communication link wir-
ing and topology.” For information about specific UCMs supported by
Tracer Summit systems, see Chapter 6, “UCMs supported by Tracer Sum-
mit systems.”
LAN communication links
For network wiring specifications, see Chapter 7, “Network communica-
tion.”
Remote communication requirements
and specifications
The Tracer Summit BCU supports remote communication with a PC
Workstation. Remote communication requirements and specifications are
described in the following sections.
Communication rate
The BMTX BCU supports a maximum communication rate of 56,700 bps.
Communication protocol
Communication between the BCU and a PC Workstation is performed
using the BACnet point-to-point (PTP) protocol.
BMTX BCU on-board modem
For remote communication, the on-board modem is the only modem sup-
ported (see Figure 2 on page 4). Trane reserves the right to support only
specified modems, because modem specifications are subject to change.
This ensures proper operation and helps facilitate technical support if
communication failures occur.
A modem cover and shield are included with all modems that are ordered
for international installation (a CE certification requirement).
PC Workstation modem
The Tracer Summit PC Workstation supports internal and external
modems. (The resources available on any given PC Workstation will dic-
tate the number of modems that can be connected.) As with the BMTX
BCU on-board modem, Trane reserves the right to support only those
modems specified. For a current list of specified modems, contact your
local Trane office.
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