Nortel Networks DCT1900 manual Modular Cabinet Installation Steps, Recommended Board Positions

Models: DCT1900

1 400
Download 400 pages 50.54 Kb
Page 149
Image 149

Technical Product Manual - DCT1900

Installation Instructions, Modular Cabinet – Installation Steps

CHAPTER 3

Modular Cabinet – Installation Steps

3.1Introduction

Paragraph 3.2 describes the recommended board positions. This paragraph should be read before starting any installation.

Paragraph 3.3 describes the main steps of installation and the order in which they should be carried out. It can be used by inexperienced engineers, or experienced engineers as a reference or check–list. Each step refers to a chapter where more information can be found.

Paragraphs 3.4 through 3.9 contain installation procedures which are not related to specific units described in other chapters.

3.2Recommended Board Positions

Recommendations are given for the system board positions below. These rules are given to facilitate proper framing synchronization, avoid crossing of cables and to ensure sufficient length of the dedicated cables.

front view

 

 

 

 

C

 

 

S

S

 

P

D

D

P

P

 

U

L

L

U

U

 

 

U

U

 

C

C

 

 

 

 

L

L

 

D D

 

U

U

 

 

*

*

 

T

T

 

 

 

S

S

 

U U

 

 

 

L

L

 

 

 

 

 

L

L

 

U

U

 

 

 

 

 

T

T

 

 

 

 

U U

 

 

 

24

28

32

36

40

44

48

52

56

Indicates that the CPU is required to be in this position in cabinet 1

The board position numbers are not indicated on the rack unless the labels are installed.

Fig. 3–1 Recommended Board Positions

CPU

The CPU is always placed at the farthest left position in the cabinet. In a multi cabinet configuration the CPU must be placed in cabinet 1 (refer to Figure 4-1 in Chapter 4).

Install-DCT1900/R8/mw

3-1

© 2000-2005

 

Page 149
Image 149
Nortel Networks DCT1900 manual Modular Cabinet Installation Steps, Recommended Board Positions