Allied Telesis AT-FS708 CentreCOM - Manual (Page 30)

Switch Specifications
20
Cabling Specifications
10Base-T: STP/UTP Category 3,4,5 100 ohm impedance
100Base-TX: STP/UTP Category 5 wiring, 100 ohm
impedance
100 m (328 ft) between switch and network node.
Electrical Specifications
AT-FS708 Internal Power: Internal universal power supply with
100 to 240 VAC, 50/60 Hz, 0.3 A input.
AT-FS708E External
Power: External power adapter provides
12 VDC, 1.5 A maximum.
UTP (RJ-45) Connector
Figure 7 shows an RJ-45 connector. For a 100Base-TX link between switches,
—any two Medium Attachment Units (MAUs)—you need a crossover cable. For
a connection to a Network Interface Controller (NIC), the cable is wired
straight-through.
Figure 7 RJ-45 Connector
Low Last Bit-to-First Delay
For Long Packets: <30 µs
For Short Packets: <18 µs
Pin 1 Pin 8