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ページを印刷するCMnet
Access port
Comm Mode port
Figure 7. Wiring the Terminals
network segment must use the same baud
rate.
On an ARC156 network segment (156
kbps), set the Comm Mode jumper to
ARC156 (see Figure 8 for the switch's
location). The baud rate selection does
not matter in this case.
Comm Mode
CMnet
Figure 8. Using an ARC156 Network Segment
If you are using a legacy CMnet (9600 bps
or 38.4 kbps), set the Comm Mode jumper
to CMnet, and use the baud rate DIP
switch to determine the baud rate (see
Figure 9 and Figure 10).
NOTE
NOTE
NOTE
NOTE Setting the Comm Mode jumper
to CMnet disables the industry standard
BACnet-over-ARCNET (ARC156) protocol
for the network segment and enables the
proprietary ALC CMnet protocol.
Comm Mode
CMnet
Figure 9. Setting the Mode Select for CMnet
Revised 7/10/01 • InterOP8500
ARC156
network segment
ARC156
ARC156
Switch Number
38.4K baud
9600 baud
Figure 10. Setting the baud rate DIP switch
You can verify that the InterOP8500 is
communicating on the network segment by
making sure the transmit and receive LEDs
are active.
Communicating with the
Workstation
When using SuperVision, you can connect a
workstation or portable computer directly to
the InterOP8500 module using an APT and the
module's Access Port (see Figure 11). This
type of connection can be used to
troubleshoot the module or transfer memory.
If you are using an ARC156 network segment,
you can receive colors while connected to a
module's Access Port if a gateway module is
on the network segment. You cannot receive
alarms through the Access Port, however.
EIA-232
Port
Figure 11. Using the Access Port
The baud rate of the Access port is
determined by the first switch on the eight-
position DIP switch (see Figure 7). If you need
to change the switch's position, turn the
InterOP8500 module off first. Once you have
adjusted the switch, turn the module back on.
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© 2001 Automated Logic Corporation
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InterO p-8500
APT
ACCESS
POR T
Access
Mode S elect
Port
TTL
485
Mode Select
Switch