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2-2 CHAPTER 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.
Figure 2-1 Hub 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 µ or
62.5/125 µ 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.
1000BASE-SX downlink ports
PORT STATUS
LEDs
% BW
usage meter
Hub operation
LEDs
®
GBIC portAC input DC power Console Reset
Front panel
Rear panel
AC
IN
RESET
CONSOLE
DC POWER GBIC
1000BASE-SX
1
TX RX
2
TX RX
3
TX RX
4
TX RX
5
TX RX
6
TX RX
7
TX RX
8
TX RX
1
% BW USAGE
234 5678 9
PAUSERPS FAILPWR
UNIT
STATUS
RPS ONOVERTEMP
LINK
ACTIVITY
PORT STATUS
SUPER
STACK
SuperStack II
HUB 1000 SX
100
10
50
3C510-SX
®
3Com Corporation
Santa Clara, CA
Made in USA
!
REFER TO
INSTRUCTION MANUAL
FOR CORRECT
SELECTION OF
POWER CORD
INPUT
V
A max
5
8.5
+12
2.5
-12
1.0
SUPPLY DATA
CAUTION: For continued protection
against risk of fire use only with same
type and rating of of anti-surge fuse.
FUSE
2.0 A
V~
100-240
Hz
50/60
A
1.0