96 D90
PLUS
LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
NETWORK SETTINGS CHAPTER 6: COMMUNICATIONS
The following settings are available for each Ethernet port, except for OSI Network Address
(NSAP)
and ESH Configuration Time, which are not port-specific, and the Port 2
Redundancy
, which applies only to Ethernet port 2.
Port 1 IP Address, Port 2 IP Address, Port 3 IP Address
Range: standard IP address range
Default: 192.168.251.251 (port 1), 192.168.252.252 (port 2), 192.168.253.253 (port 3)
These settings specify the dedicated IP address for each Ethernet port. When using
multiple Ethernet ports, each port must be configured for a different subnet.
This setting is valid on port 3 when
Port 2 Redundancy is set to “Dual IP.”
Port 1 IP Subnet Mask, Port 2 IP Subnet Mask, Port 3 IP Subnet Mask
Range: standard IP address range
Default: 255.255.255.0
These settings specify the dedicated subnet mask for each Ethernet port.
The subnet mask settings for ports 2 and 3 are available when the D90
Plus
contains a
communications card. The subnet mask setting for port 3 is not available when the
Port
2 Redundancy
setting is “Single IP.”
This setting is valid on port 3 when
Port 2 Redundancy is set to “Dual IP.”
Port 1 Gateway IP Address, Port 2 Gateway IP Address, Port 3 Gateway IP Address
Range: standard IP address range
Default: 0.0.0.0
These settings specify the dedicated gateway address for the selected Ethernet port.
The gateway IP address settings for ports 2 and 3 are available when the
D90
Plus
contains a communications card. The gateway IP address setting for port 3 is
not available when the
Port 2 Redundancy setting is “Single IP.”
This setting is valid on port 3 when
Port 2 Redundancy is set to “Dual IP.”
Port 1 Ethernet Mode, Port 2 Ethernet Mode, Port 3 Ethernet Mode
Range: Auto, 10/100 Base-TX, 100 Base-TX
Default: Auto
These settings select the Ethernet connection hardware type, either 10/100Base-TX
(twisted-pair) or 100Base-FX (fiber optic). The “Auto” selection is used to detect
automatically the Ethernet hardware type.
The Ethernet mode settings for ports 2 and 3 are available when the D90
Plus
contains a
communications card. The Ethernet mode setting for port 3 is not available when the
Port 2 Redundancy setting is “Single IP.”
Port 2 Redundancy
Range: Single IP, Dual IP, PRP
Default: Dual IP
This setting is available when the D90
Plus
contains a communications card. It selects
single-IP, dual-IP, or PRP operation for Ethernet ports 2 and 3.
In single-IP mode, the link status of both ports is monitored continuously but only one
port is active at a time. Each port uses the same source MAC address and IP parameters
specified for Ethernet port 2.
In dual-IP mode, Ethernet ports 2 and 3 operate independently with their own MAC
addresses and IP parameters.
When set to either Single IP or PRP, ports 2 and 3 operate in redundant mode. The
differences between the two settings are explained as follows.
If set to Single IP, ports 2 and 3 operate as follows:
– Ports 2 and 3 use the port 2 MAC address, IP address, mask, and gateway
– The configuration fields for IP address, mask, and gateway on port 3 are hidden
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