Features

Support IGMP Snooping, GMRP and static multicast

Support IEEE802.1Q VLAN, PVLAN setting

With APC circuit, constant optical power output, large dynamic range

Max transmission distance without repeater can reach 120km

Power supply and LED status indicator monitors the running status of the system

Power supply, optical fiber link, data state indicator, easy to operate on site

Support link-loss, ring fault/local exception, remote alarm indication

Offer dual adjustable transfer modes

Support protocols IEEE802.3Q VLAN TAG, Spanning Tree etc.

Support 1600 byte long packet transmission

Specifications
Network:
* Ethernet: IEEE
* Rate: 10/100/1000M, full/half duplex 
* Automatic broadband control
* Interface: RJ45
Environment:
* Temperature: -30 ºC to 75 ºC
* Storage temperature: -40 ºC to 85 ºC
* Relative humidity:  0 ºC to 95%( non-condensing)
* Rated voltage: AC220V/50Hz
※ MTBF: ≥100000hrs
Optical:
* Interface: SC/FC
* Fibers: single/dual fiber
* Wavelength:1310nm/1550nm(850nm)
* Mode: SM/MM
* Optical power LED: (-11 to -4)dB m
* Receiving sensitivity: ≥-26dBm
Mechanical:
※ Dimension: (L*W*H): 208*140*51mm
* Weight: 1.0kg
* Mounting: 4U 19-inch mounting



Ordering information

HF-RING-1023

HF-RING-1024

HF-RING-1026

HF-RING-1028