Cisco VG420 Установка - Страница 9

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Installing the Cisco VG420 Voice Gateway

Statement 1047 Overheating Prevention

Warning

To reduce the risk of fire or bodily injury, do not operate the unit in an area that exceeds the maximum

recommended ambient temperature of: 40 degrees C.

What to do next

After you install the voice gateway, you must connect the chassis to a reliable earth ground. For the chassis

ground connection procedures, see the Chassis Grounding section in this hardware installation guide.

Chassis Grounding

To install the ground connection for your router, perform the following steps:

Before you begin

Use a size 10 AWG (4 mm2) or larger copper wire and an appropriate user-supplied ring terminal with an

inner diameter of 1/4 in. (5–7 mm).

Step 1

Strip one end of the ground wire to the length required for the ring terminal.

Step 2

Crimp the ground wire to the ring terminal, using a crimp tool of the appropriate size.

Step 3

Attach the ground lug or ring terminal to the chassis as shown in the following image. Use one of the screws provided.

Tighten the screws to a torque of 8 to 10 in-lb (0.9 to 1.1 N-m).

Step 4

Connect the other end of the ground wire to a known reliable earth ground point at your site.

Figure 6: Chassis Grounding

In the above image, 1 indicates Ground Lug.

Installing the Cisco VG420 Voice Gateway

Chassis Grounding