3Com Hub 1000 SX manual Hub Description The hub’s front and rear panels are shown in Figure

2-2CHAPTER 2: INSTALLING THE HUB

If you need to return the hub to 3Com, pack it in the original (or equivalent) packing material to maintain the warranty.

If you ordered a GBIC module or optional power system, it is packaged separately from the hub.

Hub Description The hub’s front and rear panels are shown in Figure 2-1.

Front panel

1000BASE-SX

TX

1

RX

TX

2

RX

TX

3

RX

TX

4

RX

TX

5

RX

TX

6

RX

TX

7

RX

TX

8

RX

3C510-SX

100					PORT STATUS						SUPER
											STACK
50	ACTIVITY								OVERTEMP	RPS ON	UNIT
											STATUS
	LINK								PWR	RPS FAIL	PAUSE
	1	2	3	4	5	6	7	8	9
10											SuperStack II
% BW USAGE											HUB 1000 SX

1000BASE-SX downlink ports	% BW
	usage meter

Hub operation

LEDs

PORT STATUS

LEDs

Rear panel

AC

IN

REFER TO

INSTRUCTION MANUAL

FOR CORRECT !

SELECTION OF

POWER CORD

CAUTION: For continued protection against risk of fire use only with same type and rating of of anti-surge fuse.

SUPPLY DATA

FUSE	V~	H z	A
2.0 A	100-240	50/60	1.0

3Com Corporation

Santa Clara, CA

Made in USA

INPUT

V	5	+12	-12
A max	8.5	2.5	1.0

DC POWER CONSOLE GBIC

RESET

AC input DC power Console Reset GBIC port

Figure 2-1Hub 1000 SX Front and Rear Panels

Front Panel Eight 850-nanometer (nm) fiber-optic 1000BASE-SX Gigabit Ethernet downlink ports accept SC connectors and support 50/125 ∝ or 62.5/125 ∝ fiber-optic cable. The ports can connect to servers that are equipped with Gigabit Ethernet NICs or to switches that are equipped with Gigabit Ethernet uplink devices.

Indicators (see Table 2-2) show hub and port status when power is on.