H3C MSR 20-20, Руководство по установке

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10 C
HAPTER
1: O
VERVIEW
Processor and Memory
n
■
BootROM stores bootstrap.
■
The memory is used to store the communication data between the system and
the CPU when the system is running.
■
The CF card is used to store the software system and configuration file. The CF
card LED blinks when the system is reading/writing data from/to the CF card. In
this case, do not remove the CF card, otherwise hardware and software
damage may occur.
Other Hardware
Specifications
Internal
module ESM module 1 1 2
VCPM module 0 0 1
VPM strip 0 0 2
Table 2 Interface card description of H3C MSR 20-20/20-21/20-40 Routers
Item MSR 20-20 MSR 20-21 MSR 20-40
Table 3 Processor and memory description of H3C MSR 20-20/20-21/20-40 Routers
Item MSR 20-20 MSR 20-21 MSR 20-40
Processor PowerPC PowerPC PowerPC
BootROM 4 MB 4 MB 4 MB
Memory SDRAM
Default: 128 MB
Max: 384 MB
SDRAM
Default: 128 MB
Max: 384 MB
SDRAM
Default: 128 MB
Max: 384 MB
CF Flash Default: 256 MB
Max: 1 GB
Default: 256 MB
Max: 1 GB
Default: 256 MB
Max: 1 GB
Table 4 Other specifications description of H3C MSR 20-20/20-21/20-40 Routers
Item
MSR 20-20
Description MSR 20-21
Description MSR 20-40
Description
Dimensions (H x W x
D)
(excluding feet and
rack-mounting ear)
44.2
×
360
×
287.1
mm (1.74
×
14.17
×
11.3 in.)
44.2
×
360
×
287.1
mm (1.74
×
14.17
×
11.3 in.)
44.2
×
442
×
407.1 mm
(1.74
×
17.4
×
16.02
in.)
Weight 3.4 kg (7.5 lb.) 3.4 kg (7.5 lb.) 5.4 kg (11.9 lb.)
AC input Rated voltage: 100
VAC to 240 VAC;
50/60 Hz Rated voltage: 100
VAC to 240 VAC;
50/60 Hz Rated voltage: 100 VAC
to 240 VAC; 50/60 Hz
Max power 54 W 54 W 100 W
Operating
temperature 0
°
C to 40
°
C (32
°
F to
104
°
F)
0
°
C to 40
°
C (32
°
F to
104
°
F)
0
°
C to 40
°
C (32
°
F to
104
°
F)
Relative humidity
(non-conducting) 5% to 90% 5% to 90% 5% to 90%