Руководство По Установке для Cisco Cisco Digital Service Access Node (DSAN) 8211
Chapter 3 Hardware Installation
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Installing Accessories
The following section provides instructions for installing accessories in the DSAN
8211 housing.
8211 housing.
To Install Attenuator Pads
Note: For best results, follow this installation procedure exactly.
Complete the following steps to install the DSAN 8211 attenuator pads.
1 Begin this procedure with the housing open. Refer to To Open the Housing (on
1 Begin this procedure with the housing open. Refer to To Open the Housing (on
2
Install the pad(s) specified by the design print in the appropriate pad slot(s). For
a list of available Node accessory pad values and part numbers, see Technical
Information (on page 203).
Important: These pads should not be changed in the field unless specified by
system design.
a list of available Node accessory pad values and part numbers, see Technical
Information (on page 203).
Important: These pads should not be changed in the field unless specified by
system design.
Note:
Be sure all the pins on the attenuator pad bottom align with the pinholes in
the attenuator pad slot, allowing the attenuator pad to install flat against the
amplifier module.
the attenuator pad slot, allowing the attenuator pad to install flat against the
amplifier module.
The forward input (FWD IN) and high frequency output (HF OUT) pads are
installed at the factory to set the operational gain of the device. Do not
change these pads unless required by system design.
installed at the factory to set the operational gain of the device. Do not
change these pads unless required by system design.