3Com 3C172221 Switch User Manual


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The SuperStack
®
3 Switch 4400 1000BASE-SX Module
(3C17221) provides your SuperStack 3 Switch 4400 with
one 850 nm Gigabit Ethernet fiber optic port.
The Module conforms to the full duplex implementation
of the Gigabit Ethernet standard, IEEE 802.3z, and
provides a 1000 Mbps connection to another
1000BASE-SX device. This port uses 62.5 µm or 50 µm
multimode fiber optic cable with MT-RJ duplex connectors
and supports the segment lengths specified in IEEE
802.3z, as shown below:
LEDs
You can gather information about the status of the
Module and its packet activity using the Expansion
Module port LEDs on the front of the Switch.
I
NTRODUCTION
Fiber Size Fiber Bandwidth
at 850 nm
Segment Lengths Supported
62.5
µ
m 160 MHz*km
200 MHz*km
2–220 m (7–722 ft)
2–275 m (7–902 ft)
50
µ
m 400 MHz*km 2–500 m (7–1805 ft)
500 MHz*km 2–550 m (7–1805 ft)
Module Packet LED
Color Appearance Indicates
Green On Full duplex activity being received or
transmitted.
No color Off No activity.
Module Status LED
Color Appearance Indicates
Green On The Module is installed and supported. The
Link Status has been determined.
Yellow On The Module is installed and supported. The
Link Status has not been determined or
there is no link for a single port Module.
Yellow Flashing The Module is installed, however, it is not
supported.
No color Off The Module is not installed.
SuperStack
®
3 Switch 4400 1000BASE-SX Module (3C17221)
User Guide
DUA1722-1AAA01
SuperStack 3 1000BASE-SX Module
3C17221
This product complies with DHHS Rule 21 CFR
Subchapter J, applicable at date of manufacture
3Com Europe Limited
This product complies with DHHS Rule 21 CFR
Subchapter J, applicable at date of manufacture
3Com Europe Limited
CLASS1 LASER PRODUCT
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