3Com Hub 1000 SX 1 Downlink Connections, Connector, Maximum Cable, Cable Type, Length Meters

Interpreting Hub Indicators 2-5

Table 2-1Downlink Connections

Connector		Maximum Cable
Type	Cable Type	Length (Meters)
SC	Short-wavelength (850 nm) fiber-optic:
	62.5/125 ∝ MMF	260
	50/125 ∝ MMF	550

7Apply power to the hub in either of these ways:

■Plug one end of the power cord into the AC input socket and the other end into a power source.

■Connect the hub to a power supply, as described in “Using Optional Power Systems” later in this chapter.

Placing on a Desktop If you place the hub on a desk or table, attach the supplied rubber feet to each bottom corner of the hub. Remove the protective cap from each downlink port and attach the proper cable to make the desired network connection. (For connector and cable information, see Table 2-1. For guidelines on making typical connections, see Chapter 3.) Apply power to the hub in either of these ways:

■Plug one end of the power cord into the AC input socket and the other end into a power source.

■Connect the hub to a power supply, as described in “Using Optional Power Systems” later in this chapter.

Interpreting Hub When power is applied, all the indicators on the front panel light

Indicatorsmomentarily. The UNIT STATUS LED is amber while POST is running. After approximately 30 seconds, the UNIT STATUS LED turns green. Verify that the PWR (power) LED remains lit, indicating that the hub is receiving power.

For explanations of the hub indicators, see Table 2-2.