H3C S6850 Series Manual page 8

LS-6850-56HF/LS-6850-
Item 56HF-H1/S6850-56HF-S
AN
Heat dissipation
Heat
dissipation Air cooling
method
Ventilation
Front-to-rear or rear-to-front (based on the installed fan trays)
aisles
Reliability and availability
Power
module 1+1 redundancy
redundancy
Fan
4+1 redundancy
redundancy
Power modules and fan trays support hot swapping
Hot swapping
Expansion modules support hot swapping, but do not hot swap an expansion module when
the device is starting up
Mean Time
LS-6850-56HF/LS-6850-56
Between
HF-H1: 33.2
Failure
S6850-56HF-SAN: 54.9
(MTBF) (year)
LS-6850-56HF/LS-6850-56
Mean time to
HF-H1: 1
repair (MTTR)
(hour)
S6850-56HF-SAN: 0.5
LS-6850-56HF/LS-6850-56
HF-H1: 99.999666%
Availability
S6850-56HF-SAN:
99.999894%
Environment specifications
Sound
pressure level
62.1 dB(A)
at 27°C
(80.6°F)
Altitude –60 m to +5000 m (–196.85 ft to +16404.20 ft)
0°C to 45°C (32°F to 113°F)
Note:
The allowed maximum temperature decreases by 0.33 °C (32.59°F) as the altitude
Operating
increases by 100 m (328.08 ft) from 0 m (0 ft).
temperature
With the LSWM124XG2Q and LSWM124XG2QL interface module installed on the switch, if
you use an SFP-XG-LH80-SM1550 transceiver module, the operating temperature must be
in the range of 0°C to 40°C (32°F to 104°F).
–40°C to +70°C (–40°F to +158°F)
Storage
LS-6850-56HF-H3
1+1 redundancy
3+1 redundancy
78.7
0.5
99.999927%
65.5 dB(A)
1-7
S6850-2C
LSWM124XG2QL
modules: 1150 BTU/hr
•
With two
LSWM124TG2H
modules: 1436 BTU/hr
•
With two LSWM116FC
modules: 1314 BTU/hr
1+1 redundancy
4+1 redundancy
34
1
99.999664%
61.3 dB(A)