D-Link DES-1048 User Manual - Appendix A
D-Link DES-1048 Unmanaged Layer 2 Ethernet Switch
Appendix A
Technical Specifications
General
Standard
IEEE 802.3 10BASE-T Ethernet
IEEE 802.3u 100BASE-TX Fast Ethernet
IEEE 802.3 Nway auto-negotiation
Protocols
CSMA/CD
Data Transfer Rates:
Ethernet
Fast Ethernet
Half-duplex Full-duplex
10 Mbps
20Mbps
100Mbps 200Mbps
Topology
Star
Network Cables
10BASE-T: UTP Category 3, 4, 5 (100 meters max.)
EIA/TIA- 568 100-ohm STP (100 meters max.)
100BASE-TX: UTP Cat. 5 (100 meters max.)
EIA/TIA-568 100-ohm STP (100 meters max.)
Ports
48 10/100BASE-T Ethernet ports in front panel
Physical & Environmental
AC Inputs:
100 - 240 VAC, 50/60 Hz (internal universal power supply)
Power Consumption:
24 watts maximum
DC Fan:
1 built-in 40 x 40 x 10 mm fan
Operating
Temperature:
0 to 40 degrees Celsius
Storage Temperature:
-25 to 55 degrees Celsius
Humidity:
Operating: 5% to 95% RH non-condensing
Storage: 0% to 95% RH non-condensing
Dimensions:
441 mm x 309 mm x 44 mm (1U), 19 inch rack-mount width
Weight:
3.9 Kg
EMI:
FCC Class A, CE Mark, C-Tick, BSMI
Safety:
CSA International
Performance
Transmission Method: Store-and-forward
RAM Buffer:
1 Mbyte per device
Filtering Address
Table:
14K MAC address per device
Packet Filtering/
Forwarding Rate:
Full-wire speed for all connections.
14,880 pps for 10M and 148,809 pps for 100M
MAC Address
Learning:
Automatic update.
10