3com NJ240FX 用户指南
65
C
Product Specifications
Hardware
Power consumption
<5 watts without power forwarding
Maximum 13 watts with power forwarding (depending on the
device drawing power)
device drawing power)
Network Interface
10 Mbps Ethernet
10BASE-T
10BASE-T
Ethernet IEEE 802.3 industry standard for a 10 Mbps baseband
CSMA/CD local area network
CSMA/CD local area network
100 Mbps Ethernet
100BASE-TX
100BASE-TX
Ethernet IEEE 802.3u industry standard for a 100 Mbps baseband
CSMA/CD local area network
CSMA/CD local area network
100 Mbps Ethernet
100BASE-FX
100BASE-FX
Ethernet IEEE 802.3u industry standard for a 100 Mbps fiber local
area network
area network
Performance
Auto-negotiation
Communication speed (10 Mbps or 100 Mbps) and duplex mode
(full or half) can be determined through auto-negotiation with
the attached devices. The IntelliJack attempts to negotiate the
fastest connection possible (100 Mbps full-duplex).
(full or half) can be determined through auto-negotiation with
the attached devices. The IntelliJack attempts to negotiate the
fastest connection possible (100 Mbps full-duplex).
The communication speed and duplex mode can also be
controlled using the configuration management software.
controlled using the configuration management software.