3Com 3CR17251-91 - Switch 5500G-EI Stackable Gigabit Ethernet Getting Started Manual - page 15
About the Switch 5500 Family
15
Summary of
Hardware Features
Table 4
summarizes the hardware features that are supported by the
Switch 5500 Family.
Table 4 Hardware features
Feature
Switch 5500 Family
MAC Addresses
Up to 16,000 supported
Forwarding Modes
Store and Forward
Auto-negotiation
Supported on all ports
Auto MDI/MDIX
Supported on all ports. If fiber SFP transceivers are used,
Auto MDIX is not supported.
Duplex Modes
Half and Full duplex on all ports
Flow Control
In full duplex operation, all ports are supported.
Smart Auto-sensing
Supported on all copper ports
Traffic Prioritization
Supported (IEEE Std 802.1D, 1998 Edition)
Eight traffic queues per port
Power over Ethernet
(Switch 5500)
Supported on front panel ports, except SFP ports.
(3CR17171 and 3CR17172 only)
Power over Ethernet
(Switch 5500G-EI)
Supported on all front panel ports, except SFP ports,
when fitted with PoE PSUs (3CR17254 and 3CR17255).
Ethernet and Fast
Ethernet Ports
(Switch 5500)
Auto-negotiating 10BASE-T/100BASE-TX ports or
100BASE-X ports.
Fast Ethernet and
Gigabit Ethernet Ports
(Switch 5500G-EI)
Auto-negotiating 10BASE-T/100BASE-TX/1000BASE-T
and SFP ports.
100BASE-X SFP Ports
Supports 100BASE-LX10 10km single-mode and
100BASE-FX 2km multi-mode transceivers.
1000BASE-X Gigabit
Ethernet SFP Ports
Supports fiber Gigabit Ethernet short-wave (SX),
long-wave (LX), long-haul (LH70) and copper (T)
transceivers in any combination
RPS Support
Connects to -48v DC supply
Mounting
19-inch rack or stand-alone mounting
XRN
Up to eight units can be managed as a single unit with
one IP address.