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DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual
251
Physical and Environmental
Internal power supply
AC Input: 100 – 120; 200 – 240 VAC, 50/60 Hz
DC 60W DC Power Input: 48V Output: 12V
Power Consumption
For DES-3526/ DES-3526DC, Max. 23 watts
For DES-3550, Max. 40 watts
DC fans
For DES-3526/ DES-3526DC, one 40 mm fan
For DES-3550, two 40mm fan
Operating Temperature
0 - 40°C
Storage Temperature
-40 - 70°C
Humidity
5 - 95% non-condensing
Dimensions
For DES-3526/ DES-3526DC, 441(W) x 207(D) x 44(H) mm, 19-inch, 1U Rack-mount size
For DES-3550, 441(W) × 309(D) × 44(H) mm
Weight
For DES-3526, 2.56 kg
For DES-3526DC, 2.5 kg
For DES-3550, 5Kg
EMI
CE class A, FCC Class A, C-Tick, VCCI class A
Safety
CSA International
Performance
Transmission Method
Store-and-forward
Packet Buffer
16 MB per device
Packet Filtering/Forwarding Rate
Full-wire speed for all connections. 1,488,095 pps per port (for 1000Mbps)
MAC Address Learning
Automatic update. Supports 8K MAC address.
Priority Queues
4 Priority Queues per port.
Forwarding Table Age Time
Max age: 10-1000000 seconds. Default = 300.
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