Black Box TE160A-R2, Руководство пользователя

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Chapter 3: Installation
3. Installation
CAUTION: Wear a grounding device and observe electrostatic discharge
precautions when setting the jumpers. If you don’t, the device
may not work.
3.1 Setting the Jumpers
1. Using a small screwdriver, remove the screws that secure the cover to the
device and carefully remove the cover.
2. Locate the jumpers on the circuit board.
3. Using small needle-nosed pliers or similar device, move the jumper to the
desired position. (Refer to Figure 3-1.)
4. Carefully replace the cover on the device and replace the screws to secure the
cover.
3.1.1 Standard/Automatic Ring-Down
The jumper labeled “JP1” is used to switch between the Standard or Automatic
Ring-Down configuration and is located on the top circuit board of Unit B
(TE161A-R2, TE163A-R2, or TE165A-R2).
Figure 3-1 illustrates the jumper settings.
• Set Jumper JP1 on the Unit B device to the Standard setting when using the
Standard configuration.
• Set Jumper JP1 on both Unit B devices to the Automatic Ring-Down setting
when using the Automatic Ring-Down configuration.
Figure 3-1. JP1 jumper settings.