Huawei S2720 Series Hardware Description page 69

S2720&S2750 Series Ethernet Switches
Hardware Description
Table 4-8 Attributes of a GE copper module
Model
SFP-1000BaseT
Stack Optical Module
S2720&S2750 switches can be connected through stack optical modules and optical fibers to
set up a stack over a long distance.
Table 4-9 Attributes of a stack optical module
mod
el
SFP-
6GE-
LR
Issue 08 (2015-02-12)
Transmission
Distance (km)
≤ 0.1
Trans Cente Trans
missi r mit
on Wavel Powe
Dista ength r
nce (nm) (dBm
(km) )
2 1310 -8.4 to
0.5
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Rate
Supporting rates of
10 Mbit/s, 100
Mbit/s, and 1000
Mbit/s when used
on a GE optical
port, and
supporting only the
rate of 1000 Mbit/s
when used on a
10GE optical port
NOTE
The optical port
must support
copper modules.
Table 4-9 lists the attributes of a stack optical module.
Receiv Over
er load
Sensiti Opti
vity cal
(dBm) Pow
er
(dB
m)
-13.8 0.5
4 Pluggable Modules for Interfaces
Connector Standard
Type
RJ45 1000Base-T
Extinctio Fiber Type
n Ratio
(dB)
≥ 3.5 l Fiber mode:
single-mode
l Connector type:
LC
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