Chassis Configurations OmniSwitch OS6855 Family
page 1-2 OmniSwitch 6855 Series Hardware Users Guide March 2009
Chassis Configurations
OmniSwitch 6855 (OS6855) “hardened” switches offer port densities of up to 24 Gigabit Ethernet ports.
The following OS6855 chassis configurations are available:
Fiber Models
• OS6855-U10: Provides eight (8) Gigabit Ethernet SFP ports and two (2) RJ-45 10/100/1000 ports.
• OS6855-U24: Provides twenty-two (22) Gigabit Ethernet SFP ports and two (2) combo ports.
Copper Models
• OS6855-14: Provides twelve (12) 10/100/1000 RJ-45 ports and two (2) SFP ports, with four of the
10/100/1000 RJ-45 ports supporting Power over Ethernet.
• OS6855-24: Provides twenty (20) 10/100/1000 RJ-45 ports and four (4) combo ports, with four of the
10/100/1000 RJ-45 ports supporting Power over Ethernet.
Note. Power over Ethernet (PoE) is supported on OS6855-14 and OS6855-24 models only.
Combo Ports
Combo ports are ports individually configurable to be 10/100/1000BaseT or 1000BaseX that can support
SFP transceivers for short, long and very long distances.
Gigabit Ethernet Interfaces
Gigabit Ethernet fiber interfaces support Gigabit SFP or 100BaseX SFP optical transceivers.
Industrial Grade Features
• Operates at a wider temperature range (from -40C to +70C for OS6855-14 and OS6855-U10 models
and -40C to +75C for OS6855-24 and OS6855-U24 switches).
Note. In over-temperature situations, the switch chassis shuts down and automatically restarts
once the temperature is within the normal operating range.
• Withstands greater shock and vibrations
• Enhanced electro-magnetic protection
• Supports a variety of fiber type, including single mode, multi-mode, bidirectional, and long haul optics
allowing distances of up to 70 km.
• Diverse power supply options, such as external, redundant, hot swappable, AC and DC
• Flexible mounting provided for table, wall or rack installations
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