5. Appendix
187
5.1.Specifications
○ Interface
- Twisted-pair ports: Ports 1 to 26 (RJ45 connector)
Transmission system
IEEE802.3
10BASE-T
IEEE802.3u
100BASE-TX
IEEE802.3ab
1000BASE-T
- SFP extension slots: Ports 25 to 26 (Select either of RJ45 connector or SFP
for use)
Transmission system
IEEE802.3z 1000BASE-SX/1000BASE-LX
- Console port x 1 (RJ45 connector)
RS-232C (ITU-TS V.24)
○ Switching system
- Store-and-forward system
- Forwarding rate
10BASE-T
14,880 pps
100BASE-TX
148,800 pps
1000BASE-T
1,488,000 pps
- MAC address table
8K entries/unit
- Buffered memory
512KB/unit
- Flow control
IEEE802.3x (full-duplex)
Back pressure (half-duplex)
○ Major functions
- IEEE802.1D
Spanning Tree Protocol
- IEEE802.1w
Rapid Spanning Tree Protocol
- IEEE802.1Q
Tag VLAN (256 VLANs max.)
- IEEE802.3ad
Link aggregation
(Capable of establishing up to eight ports in
eight groups)
- IEEE802.1p
QoS function (Four levels of Priority
Queue supported)
- IEEE802.1X
Port-based authentication
(EAP-MD5, TLS, and PEAP authentication
methods are supported)
- IEEE802.3x
Flow control
- IEEE802.3at
PoE+ power supply function (Max. 30.0 W)
(Supply method: Alternative A; using unused
conductors 1, 2, 3, 6)
- Port monitoring
Capable of monitoring multiple ports
- IGMP snooping
Multicast filtering supported
