INSTALLATION

connector and a KS23146,L3 50-pin male connector.

To connect a DS1 interface circuit pack to a 551-type Customer Service Unit (CSU), field terminate the 15-pin plug.

To connect DS1 tie trunks on co-located System 25s, field terminate the 50-pin male connector (see Figure 2-1 9).

C6E connector cable (comcode 104307 434)—1 00-foot long shielded cable equipped with a 50-pin male connector on one end and a 50-pin female connector on the other end. This cable is used as an “extension” cable between the DS1 Interface circuit pack and the other connector cables.

Cable Labels

A set of preprinted labels for identifying the system cabinet cables and ETU cables are provided (Figure 2-7).The system cable labels are prenumbered to identify the cabinet (1, 2, 3) and circuit pack slot (1-12, - see NOTE) and are also color-coded as follows:

Note: Because of the combined CP/Memory board in R2V1 and R3, ten slots are available in Cabinet 1.

I Cabinet No.

Color

I

1 Blue

2Orange

3Green

The call processor octopus cable labels and ETU cable labels are white. The use of these labels is discussed in this manual.

2-13

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Image 37
ADTRAN 25 manual Cable Labels