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Interfacing with the 4120 Network
Network Interface Card
*A Network Repeater card cannot serve as the network interface for point changes on the network.
This section explains how to install the 655-273 Network Interface Card
(Wired) or the 655-272 Network Interface Card (Modular).
You can install up to four Network Interface Cards into one PC to support a
multi-network configuration. Each Network Interface Card can support one
network containing up to 98 nodes. An IMS can support up to four networks
consisting of up to 392 nodes. Ensure that the jumpers are set to the positions
listed in Tables 6-7 and 6-8 for each network card used.
Table 6-7. Network Interface Card ⎯ Jumper Positions
Table 6-8. Network Interface Card ⎯ Setting Card Address range in the
Programmer
Address Range
SW2-4
200 - 207
2B0-2B7
2B8-2BF
2C0-2C7
2C8-2CF
2D0-2D7
OFF
300-307
OFF
308-30F
OFF
Jumper
655-272 & 273 Network Card
Position
1-2
P1
2-3
1-2
P2
2-3
1-2
P6
2-3
SW2-3
SW2-2
ON
OFF
ON
ON
ON
ON
6-7
Function
57600 baud
9600 baud
9 bit
8 bit
Bypass Disabled
Bypass Enabled (default)
SW2-1
Device
Not Used
Network Card #1 (Default)
Network Card Repeater* #2
Network Card Repeater* #3
Network Card Repeater* #4
ON
TBD
OFF
TBD
ON
TBD
Continued on next page
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