B-3
Switch Ports and Network Cables
Sw
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Fiber-Optic Cables
Port Type
Cable Specifications
Connector Type
Maximum Length
Gigabit-SX
62.5/125 mm or 50/125
μ
m (core/cladding)
diameter, graded-index 850 nm, low metal
content, multimode fiber-optic cables,
complying with the ITU-T G.651 and ISO/IEC
793-2 Type A1b or A1a respectively.
LC
- Gigabit-SX
mini-GBIC
SC
- Gigabit-SX
transceiver
•
62.5
μ
m cable:
– 160 MHz*km=220 meters
– 200 MHz*km=275 meters
•
50
μ
m cable:
– 400 MHz*km=500 meters
– 500 MHz*km=550 meters
Gigabit-LX
9/125
μ
m (core/cladding) diameter, graded-
index 1310 nm, low metal content, single
mode fiber-optic cables, complying with the
ITU-T G.652 and ISO/IEC 793-2 Type B1
standards.
OR
the multimode fiber-optic cables listed for
Gigabit-SX.
LC
- Gigabit-LX
mini-GBIC
SC
- Gigabit-LX
transceiver
•
single-mode cable:
10 kilometers
•
Multimode cable:
550 meters
Note: To use multimode cables for Gigabit-LX, a mode conditioning patch cord may be needed - See the
Installation Guide
that came with your module for more information.
Gigabit-LH
9/125 mm (core/cladding) diameter, graded-
index 1550 nm, low metal content, single
mode fiber-optic cables, complying with the
ITU-T G.652 and ISO/IEC 793-2 Type B1
standards.
LC
- Gigabit-LH
mini-GBIC
70 kilometers
Note:
Between the transmit and receive ends of the cable, at least 5db of attenuation is required for a
reliable connection. This is equivalent to 20Km of the fiber-optic cable. For distances less than 20Km,
you must add attenuators to bring the total attenuation to at least 5db. Most cable vendors carry
attenuators.
100Base-
FX
62.5/125
μ
m or 50/125
μ
m (core/cladding)
diameter, graded-index, low metal content,
multimode
fiber-optic cables, complying
with the ITU-T G.651 and ISO/IEC 793-2 Type
A1b or A1a respectively.
MT-RJ
•
full-duplex connections:
2 kilometers
•
half-duplex connections:
412 meters
10-GbE SR
Multimode fiber-optic cable designed for
Gigabit Ethernet: 62.5/125
μ
m (core/
cladding) diameter or 50/125
μ
m, 850 nm, low
metal content,
complying with the ITU-T G.652 and ISO/IEC
793-2 Type B1 standards.
SC
■
62.5
μ
m cable:
•
160 Mhz*km = 2-26 meters
•
200 Mhz*km = 2-33 meters
■
50
μ
m cable:
•
400 Mhz*km = 2-66 meters
•
500 Mhz*km = 2-82 meters
•
2000 Mhz*km = 2-300
meters
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