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Configuration Options
4-55
9820-A2-GB20-20
June 2000
Table 4-17. Communication Port Options (4 of 5)
IP Address
Possible Settings: 001.000.000.000 – 223.255.255.255, Clear
Default Setting: Clear (000.000.000.000)
Specifies a unique IP address for accessing the unit via the COM (Terminal) port. Only in
effect when the COM (Terminal) port is configured as a network communication link
(Port Use option is set to Net Link).
Display Conditions
– This option only appears when Port Use is set to Net Link.
001.000.000.000 – 223.255.255.255 – Shows the IP address for the COM (Terminal)
port, which you can view or edit.
Clear – Clears the IP address for the COM (Terminal) port and fills the address with
zeros. For Models 9820, 9820-2M, and 9820-8M, when the IP Address is all zeros, the
COM port uses the Node IP Address if one has been configured.
Subnet Mask
Possible Settings: 000.000.000.000 – 255.255.255.255, Clear
Default Setting: 000.000.000.000
Specifies the subnet mask needed to access the unit. Only in effect when the COM
(Terminal) port is configured as a network communication link (Port Use option is set to
Net Link).
Display Conditions
– This option only appears when Port Use is set to Net Link.
000.000.000.000 – 255.255.255.255 – Shows the subnet mask for the COM (Terminal)
port, which you can view or edit.
Clear – Clears the subnet mask for the COM (Terminal) port and fills the address with
zeros. When the node subnet mask is all zeros, the IP protocol creates a default subnet
mask based upon the class of the IP address: Class A: 255.000.000.000,
Class B: 255.255.000.000, or Class C: 255.255.255.000.
Link Protocol
Possible Settings: PPP, SLIP
Default Setting: PPP
Specifies the link-layer protocol to be used. Only in effect when the COM port is
configured as a network communication link (Port Use option is set to Net Link).
Display Conditions
– This option only appears when Port Use is set to Net Link. This
option does not appear for Model 9820-45M, for which the Link Protocol is PPP.
PPP – Point-to-Point Protocol.
SLIP – Serial-Line Internet Protocol.