PCM-2074 EVB User Manual
Revision 1.0 (03-31-06)
USER MANUAL
SMSC PCM-2074
10
9.1
Point-to-point Connection
Connect two evaluation boards as shown below. Attach a termination resistor to both ends.
9.2
Bus Connection
Connect three or more EVBs as shown below. Place termination resistors at each end of the network.
Note:
In addition to the termination resistors, the Offset Resistors must be connected or disconnected
depending on the location. Refer to
for more details.
Figure 9.1 Point-to-Point Twisted Pair Connection
Figure 9.2 Bus Connection for 3 or more Nodes
Offset Resistors:
Connected
Evaluation Board 1
Offset Resistors:
Connected
Evaluation Board 1
Termination
Resistor
Termination
Resistor
Twisted Pair Cable
Twisted Pair Cable
Offset Resistors:
Connected
Evaluation Board 1
Offset Resistors:
Disconnected
Evaluation Board 2
Offset Resistors:
Connected
Evaluation Board 3
Termination
Resistor
Termination
Resistor
Twisted Pair Cable
