User Manual

7
1.3 Product Features
Physical Port
Model Name
Ports Fiber Optical Interface
Copper Optical Mode Distance
ISW-511
4 x 10/100-TX
1 x 100-FX
Mutil-mode 2km
ISW-511T
ISW-511S15
Single-mode 15km
ISW-511TS15
ISW-621
2 x 100-FX
Multi-mode 2km
ISW-621T
ISW-621S15
Single-mode 15km
ISW-621TS15
Layer 2 Features
□ Complies with IEEE 802.3, IEEE 802.3u 10/100Base-TX, 100Base-FX
□ Supports Auto-negotiation and 10/100Mbps Half / Full duplex mode
for each copper port
□ High performance store and forward architecture, broadcast storm
control, runt/CRC ltering eliminates erroneous packets to optimize
the network bandwidth
□ Prevents packet loss with back pressure (Half-Duplex) and IEEE
802.3x PAUSE frame ow control (Full-Duplex)
□ Backplane (Switching Fabric): ISW-511 / ISW-511T Series: 1Gbps,
ISW-621 / ISW-621T Series: 1.2Gbps
□ Integrated address look-up engine, support 2K absolute MAC
addresses
□ 1Mbit on-chip frame buffer on ISW-511 / ISW-621 Series and ISW-
511T / ISW621T Series
□ Automatic address learning and address aging
□ CSMA/CD Protocol