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DS1000/2000 Correspondence Course

DS2000 System Installation

NEC America DS1000/2000 Workbook ◆ 97

❏

Install RFI Suppressor Assemblies on station and trunk cables.

For Station and Trunk Cables

● Required only when using non-A station and trunk PCBs in 4-slot

cabinets:

—16DSTU PCB P/N 80021

—8ASTU PCB P/N 80041

—4ASTU PCB P/N 80040

—4ATRU PCB P/N 80010

—8ATRU PCB P/N 80011

● Not required for 8 slot cabinets. All 8 slot cabinets must use A station

and trunk PCBs.

1. Following the ﬁgure to the right, run

the trunk and station cables through

the RFI Suppressor Assembly as

shown.

If you have a 4-slot cabinet that

uses non-A sufﬁxed extension

and trunk PCBs, you must install an RFI Suppressor Assembly on

each trunk cable and each station cable. The suppressors must be

mounted inside the cabinet and as close to the appropriate PCB as

possible.

If you have a 4-slot cabinet that mixes A and non-A PCBs, you only

have to install the suppressor on the cables plugged into the non-A

PCBs (e.g., using 16DSTU PCBs P/N 80021 and 80021A, you only

have to install the suppressor on the cables plugged into the 80021).

80000 - 67

NEC DS1000 Correspondence Course Workbook

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