Cabling specifications, Electrical specifications, Utp (rj-45) connector – Allied Telesis AT-FS708 CentreCOM User Manual

Page 30: Low last bit-to-first delay, Utp (rj-45) connecto

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Switch Specifications

Cabling Specifications

10Base-T: STP/UTP

Category

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