GarrettCom DS50 Manual Do Utilizador

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Magnum DS50 / DS60s Dual Speed Hubs                  Installation and User Guide (06/02)
 
1.0 SPECIFICATIONS 
 
1.1 Technical 
Specifications 
 Performance 
  
Port 1-5: Repeater Ports, with bridge between 
 
       Data Rate: 10/100 Mbps (Dual-Speed) 
 
       PDV (Path Delay Value):  80BT 
 
Port 6: Switched Port (DS60C only) 
 
        10/100Mbps (Dual-Speed) 
 
       When set to “FF”: 
 
 
Data Rate: 100 Mbps Full Duplex 
 
 
PDV (Path Delay Value):  50BT (end node) 
 
       When set to “A” 
Date Rate: 10Mbps or 100Mbps (Depends upon the connected 
speed on the other side; if the connected unit supports auto-
negotiate then run on full-duplex otherwise half-duplex) 
Packet Processing on Switched Port, port 6 
 
Processing type: Store and Forward 
 
Filtering and Forwarding Rate: Switch = “10”, 14,880 pps max. 
Switch = “100”, 148,800 pps max 
 
Auto-learning:  8K addresses  
 
Packet buffers: 1MB dynamically allocated 
 
Latency (not including packet time): 5
µs  
 
Packet Processing on Repeater Port, ports #1-5 bridged 
 
 
Processing type: advertising and sharing 
 
Auto-learning:  2K addresses  
 
Packet buffers: 256 dynamically allocated and shared on ports #1-5 
 
Latency (not including packet time): 5
µs    
 
Maximum Ethernet Segment Lengths 
 
 
10BASE-T (unshielded twisted pair, 10Mb)  - 100 m (328 ft) 
 
 
 
100BASE-TX (Cat. 5 twisted pair, 100Mb)   - 100 m (328 ft)
 
100BASE-FX, half-duplex: (multi-mode) 
 - 412 m (1350 ft) 
 
 
 
100BASE-FX, full-duplex: (multi-mode) 
 - 2.0 km (6,562 ft) 
 
 
100BASE-FX, half-duplex: (single-mode)   - 412 m (1350 ft) 
 
        
100BASE-FX, full-duplex: (single-mode) 
 - 20.0 km (65,620 ft) 
 
        100BASE-FX, full-duplex: (single-mode, long)- 40.0 km (131,240 ft)
 
 
Network Standards 
 
Ethernet IEEE 802.3u: 100BASE-TX 
 
IEEE 802.3: 10BASE-T  
 
Operating Environment 
 
Ambient Temperature: 32ºF to 122ºF (0ºC to 55ºC) 
 
Storage Temperature: -5ºF to 160ºF (-20ºC to 70ºC) 
 
Ambient Relative Humidity: 5 % to 95 % (non-condensing) 
 
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