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Magnum DS80 Dual-Speed Personal Hub
1.0
SPECIFICATIONS
1.1
Technical Specifications
100 or 10 Mbps per port, auto-sensing for speed. DS80 Personal Hubs
support two traffic domains, one at 100Mbps and one at 10Mbps,
have eight RJ-45 ports, and an up-link port for cascading to another hub.
Performance
When a port is operating at 100Mbps:
When a port is operating at 10Mbps:
Partitioning: Enforced after 63 consecutive collisions
Auto-reconnect: Occurs after one packet of error-free reception
Network Standards
100Mb: Ethernet IEEE 802.3u ,100BASE-TX
10Mb: Ethernet IEEE 802.3, 10BASE-T
Auto-sensing for speed: IEEE 802.3u
Packet-Processing Between Domains (internal 10/100 switch)
Filtering & Forwarding Rate from 100Mbps ports: 148,800 pps max
Filtering and Forwarding Rate from 10 Mbps ports: 14,880 pps max.
Processing type : Store and Forward
Auto-learning : 1.8K address table, shared for both traffic domains
Packet buffers : 256KB, dynamically shared on both domains
Latency (not including packet time) :
CPU Type : State Machine
Maximum Ethernet Segment (or Domain) Lengths
10BASE-T (Unshielded twisted pair)
100BASE-TX (CAT 5 UTP)
Operating Environment
Ambient Temperature:
Storage Temperature:
Ambient Relative Humidity: 10% to 95% (non-condensing)
Power Supply (External
Input:
Output:
Polarity:
Power Consumption: 8 watts typical, 10watts max.
GARRETT
Data Rate: 100Mbps
PDV (Path Delay Value) : 80BT, exceeds Class II
Data Rate: 10Mbps
)
95-125 vac at 60Hz for "-d" Models
200-250 vac at 50Hz for "-i" Models, which have IEC
power cable connector in the external power unit.
5VDC, 3Amps
center positive, shell negative
Installation and User Guide (11/98)
100 to 10 Mbps : 5µs
10 to 100Mbps : 5µs
- 100 m (328 ft)
- 100 m (328 ft)
32§F to 122§F (0§C to 50§C)
-5§C to 160§F (-20§C to 70§C)
2
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