OSD - 2251 - 4-Port Redundant Ring Gigabit Ethernet Switch

Ethernet Media Converter | OSD2251

The OSD2251 is a 4-port industrial Ethernet switch with redundant ring operation providing reliability and simple network management providing real-time monitoring. It has two 10/100/1000Base-T RJ45 copper ports and two SFP ports for the ring.

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Applications:

Features and Benefits of the OSD2251 Ethernet Media Converter:

Complies with IEEE802.3i/802.3u/802.3ab
10/100/1000Base-T, IEEE802.3z 1000Base-Lx/Sx standards
Has a total of four ports: two fixed copper ports for 10/100/1000Base-T and two SFP ports for the fibre ring
A network diameter of hundreds of kilometers is practical
Ring reconfiguration in the case of cable or switch failures takes less than two milliseconds per hop
MDI/MDIX Crossover: no need for crossover cables
Can be used with either singlemode or multimode fiber over a variety of link budgets
Available for operation over 1 or 2 fibers
Auto-Negotiation for half or full duplex operation
Powered by non-critical 10 to 36VDC or 24VAC supplies
Dual power supply inputs
Operates over the temperature range of -20 to +75ºC
OSDview Lite Network Management System
Interoperates with the OSD2244 Gigabit Ethernet switch through which the OSDview Lite NMS operates
SFP modules sold separately
DIN rail mounting

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Applications:

Features and Benefits of the OSD2251 Ethernet Media Converter:

Complies with IEEE802.3i/802.3u/802.3ab
10/100/1000Base-T, IEEE802.3z 1000Base-Lx/Sx standards
Has a total of four ports: two fixed copper ports for 10/100/1000Base-T and two SFP ports for the fibre ring
A network diameter of hundreds of kilometers is practical
Ring reconfiguration in the case of cable or switch failures takes less than two milliseconds per hop
MDI/MDIX Crossover: no need for crossover cables
Can be used with either singlemode or multimode fiber over a variety of link budgets
Available for operation over 1 or 2 fibers
Auto-Negotiation for half or full duplex operation
Powered by non-critical 10 to 36VDC or 24VAC supplies
Dual power supply inputs
Operates over the temperature range of -20 to +75ºC
OSDview Lite Network Management System
Interoperates with the OSD2244 Gigabit Ethernet switch through which the OSDview Lite NMS operates
SFP modules sold separately
DIN rail mounting