3com DUA1771-0AAA01 User Manual
The 1000BASE-SX Module (3C17710) provides your
SuperStack
SuperStack
®
3 Switch 4900 series with full duplex, four
wire speed Gigabit Ethernet fiber optic ports. This allows
you to provide connectivity between the Switch and
remote workgroups or to create a high capacity aggre-
gated link backbone connection.
you to provide connectivity between the Switch and
remote workgroups or to create a high capacity aggre-
gated link backbone connection.
The Module conforms to the full duplex implementation
of the Gigabit Ethernet standard, IEEE 802.3z. The ports
use 62.5
of the Gigabit Ethernet standard, IEEE 802.3z. The ports
use 62.5
µ
m or 50
µ
m multimode fiber optic cable with
MT-RJ duplex connectors, and support the segment
lengths specified in IEEE 802.3z, as shown below:
lengths specified in IEEE 802.3z, as shown below:
I
NTRODUCTION
Fiber Size
Fiber Bandwidth
at 850 nm
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)
1
SuperStack
®
3 Switch 4900 Series 1000BASE-SX Module (3C17710)
User Guide
S/N:
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Super
Stack 3 Sw
itch 4900 Ser
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SX M
odul
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Super
Stack 3 Sw
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ies 1000BASE-
SX M
odul
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CLASS1
LASER PRODUCT
CLASS1
LASER PRODUCT
Consol
e
(max)
19200,
8,1,N
Consol
e
(max)
19200,
8,1,N
Port B
Packet
Status
Port A
Packet
Status
Port C
Packet
Status
Port D
Packet
Status
DUA1771-0AAA01