Cisco 2691 Series Посібник із швидкого старту - Сторінка 12

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Cisco 2691 Series Посібник із швидкого старту

Installing on Desktop

Caution
If you place the Cisco router on a desktop, do not place anything that weighs more than 10 pounds (4.5 kilograms)
on top of the chassis.

Grounding the Chassis

You must connect the chassis to a reliable earth ground; the ground wire must be installed in accordance with local electrical
safety standards.
• For NEBS-compliant grounding, use size AWG 6 (13 mm
• For NEC-compliant grounding, use size AWG 14 (2 mm
• For EN/IEC 60950-compliant grounding, use size AWG 18 (1 mm
terminal.
To connect the chassis to a reliable earth ground, perform the following steps:
Strip one end of the ground wire to the length required for the ground lug or terminal.
Step 1
• For the NEBS ground lug—approximately 0.75 in. (20 mm)
• For user-provided ring terminal—as required
Crimp the ground wire to the ground lug or ring terminal, using a crimp tool of the appropriate size.
Step 2
Attach the ground lug or ring terminal to the chassis as shown in Figure 6 or Figure 7. For the ground lug, use the two
Step 3
screws with captive locking washers provided. For a ring terminal, use one of the screws provided. Use a number 2
Phillips screwdriver, and tighten the screws to a torque of 8 to 10 in-lb (0.9 to 1.1 N-m).
Connect the other end of the ground wire to a grounding point at your site.
Step 4
Figure 6
NEBS-Compliant Chassis Ground Connection Using Ground Lug
AS YN C
31
27
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29
26
AS YN C
25
24- 31
28
24
23
19
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15
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18
14
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13
10
AS YN C
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9
8-1 5
12
8
7
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2
5
4
1
0
Ground lug
attachment
Figure 7
Chassis Ground Connection Using Ring Terminal
AS YN C
31
30
27
26
29
AS YN C
25
24- 31
28
24
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22
15
21
14
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AS YN C
8-1 5
12
9
8
7
6
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Ring terminal
attachment
12
AS YN C
16- 23
AS YN C
0-7
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s
FAS T ETH
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0/1
FAS T ETH
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0/0
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18
AS YN C
16- 23
17
16
3
2
AS YN C
1
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0
SEE MAN
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100 Mbp
SEE MAN
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CF1
100 Mbp
s
FAS T ETH
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0/1
FAS T ETH
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2
) wire and the ground lug provided in the accessory kit.
2
) or larger wire and an appropriate user-supplied ring terminal.
2
) or larger wire and an appropriate user-supplied ring
DS U
TAL LAT ION
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SEE MAN
UAL BEF
ORE INS
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CI SC O 26
91
CON SOL
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AUX
DS U
TAL LAT ION
56K
SEE MAN
UAL BEF
ORE INS
TAL LAT ION
CI SC O 26
91
CON SOL
E
AUX