ARCNET Communication
BMTW-SVN01F-EN 157
Ethernet Network Interface Card
The Ethernet network interface card provides for a single coaxial cable or
twisted-pair wire. It is used for input to a BCU from a bus or star configu-
ration (see “Network Topology” on page 151).
When configuring the interface card, follow these guidelines:
• Use the manufacturer’s utility disk when installing the card on a PC.
• For the BCU, use an Ethernet card provided by Trane. This card is
set to the proper interrupt and memory settings.
Configuring an Ethernet Card
There are no jumpers or DIP switches to set on the Ethernet card, and it
is ready to configure as soon as you plug it in.
Installing an Ethernet Card in the BCU Panel
nCAUTION
Hazardous Voltage!
Turn off power at the BCU before installing the Ethernet card. Failure to
turn off power before servicing may result in human injury or damage
to equipment.
To install an Ethernet card in a BCU panel:
1. Choose one of the open slots in the ISA card bus.
2. Remove the screw from the card mounting bracket.
3. Insert the card into the slot and secure it in place with the mounting
screw.
ARCNET Communication
An ARCNET LAN system used with Tracer Summit can support many
combinations of BCUs and PC Workstations. A coaxial input or fiber-optic
input ARCNET interface card is required in each BCU for ARCNET LAN
communication. In addition, a variety of ARCNET hub cards are avail-
able.
Use hub cards to do any of the following:
• Configure the LAN in a star topology (see “Star Topology” on
page 153)
• Extend the length of the ARCNET LAN
• Convert from fiber-optic cable to coaxial cable, or convert from coaxial
cable to fiber-optic cable
“Configuring an ARCNET Card” on page 159 defines all ARCNET cards
currently supported by the Tracer Summit BCU.
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