User`s manual
Table Of Contents
- 1. Introduction
- 2. Getting Started
- 3. Featured Functions
- Configuring Basic Settings
- Using Port Trunking
- Configuring SNMP
- Using Communication Redundancy
- Using Traffic Prioritization
- Using Virtual LAN
- Using Multicast Filtering
- Using Bandwidth Management
- Using Port Access Control
- Using IP Filter
- Using Auto Warning
- Using Line-Swap-Fast-Recovery
- Using Set Device IP
- Using Diagnosis
- LLDP
- Using Monitor
- Using the MAC Address Table
- Using System Log
- Using HTTPS/SSL
- A. MIB Groups
- B. Specifications
- C. Modbus/TCP Map

PT-7728 User’s Manual Featured Functions
3-30
Redundant Ports
Setting Description Factory Default
1st Port
This specifies which port on the
PT-7728 will be used as the first
redundant port.
Ring 1:
Port 1-1 (without Gigabit Ethernet module)
Port 1-1 (with Gigabit Ethernet module)
Ring 2:
Port 1-3 (without Gigabit Ethernet module)
Port 4-1 (with Gigabit Ethernet module)
2nd Port
This specifies which port on the
PT-7728 will be used as the second
redundant port.
Ring 1:
Port 1-2 (without Gigabit Ethernet module)
Port 1-2 (with Gigabit Ethernet module)
Ring 2:
Port 1-4 (without Gigabit Ethernet module)
Port 4-2 (with Gigabit Ethernet module)
Enable Ring Coupling
Setting Description Factory Default
Enable
This specifies that this PT-7728 will
be a ring coupler.
Not checked
Disable
This specifies that this PT-7728 is
not a ring coupler.
Coupling Mode
Setting Description Factory Default
Dual
Homing
This enables dual homing through
the PT-7728.
Primary Port:
Port 1-5 (without Gigabit Ethernet module)
Port 1-3 (with Gigabit Ethernet module)
Backup Port:
Port 1-6 (without Gigabit Ethernet module)
Port 1-4 (with Gigabit Ethernet module)
Ring
Coupling
(backup)
This specifies that the PT-7728 will
be used for a ring coupling backup
connection.
Coupling Port:
Port 1-5 (without Gigabit Ethernet module)
Port 1-3 (with Gigabit Ethernet module)
Ring
Coupling
(primary)
This specifies that the PT-7728 will
be used for a ring coupling primary
connection.
Coupling Port:
Port 1-5 (without Gigabit Ethernet module)
Port 1-3 (with Gigabit Ethernet module)
Primary/Backup Port
Setting Description Factory Default
Primary Port
This specifies which port on the
PT-7728 will be used as primary
port.
Coupling Port:
Port 1-5 (without Gigabit Ethernet module)
Port 1-3 (with Gigabit Ethernet module)
Backup Port
This specifies which port on the
PT-7728 will be used as the backup
port.
Coupling Port:
Port 1-5 (without Gigabit Ethernet module)
Port 1-3 (with Gigabit Ethernet module)