Huawei CloudEngine 7800 Series Hardware Description page 215

CloudEngine 7800&6800&5800 Series Switches
Hardware Description
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Table 6-13 Optical parameters of 40GE optical modules
Model
QSFP-40
G-iSR4
QSFP-40
G-LR4
QSFP-40
G-eSR4
QSFP-40
G-ER4
QSFP-40
G-iSM4
QSFP-40
G-eSM4
Issue 16 (2015-08-26)
Model Versio Transm
n ission
Suppo Distanc
rt e
version ≤ 400 m
s
QSFP- Suppor ≤ 40 km 40GBase-
40G- ted in
ER4 V100R
005C0
QSFP-
≤ 1.4
0 and
40G- km
later
iSM4
version
s
QSFP- ≤ 10 km 40GBASE-
40G-
eSM4
Center Transmit
Wavelen Optical
gth (nm) Power
(dBm)
850 -7.6 to -1
1271, -7 to +2.3
1291,
1311,
1331
850 -7.6 to -1
1271, -2.7 to +4.5
1291,
1311,
1331
1310 -8.2 to +0.5
1310 -8.2 to +0.5
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Standard Fiber Mode, Modal
Bandwidth
(MHz*km), Core
Diameter (μm),
Connector Type
Multi-mode (OM4),
4700, 50, MPO
Single-mode (G.
ER4 652), -, 9, LC
40GBASE- Single-mode (G.
iSM4 652), -, 9, MPO
Single-mode (G.
eSM4 652), -, 9, MPO
Receiver Overload
Sensitivity Optical
(dBm) Power
(dBm)
≤ -9.5 2.4
3.3
≤ -11.5
2.4
≤ -5.4
≤ -19.5 -4.5
≤ -11.5 0.5
≤ -12.6 0.5
6 Optical Module
Operati
ng
Tempe
rature
Extinction
Ratio (dB)
≥ 3
≥ 3.5
≥ 3
≥5.5
≥3.5
≥3.5
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