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November 18, 2005
Recommended Network Setup for DDM+ Type Shelves
The configuration shown in
DDM+ type shelves can be managed with one HRM-238 shelf. Position the HRM-238 shelf below the DDM+ type
shelves. This limits the distance for the wire leads between the connectors for the management units and the line
units they manage.
Figure 1-5
and the B-side connectors on the left. The leads from the HRM-238 shelf connector attach to the Network
Management Agent (NMA) pins on the rear of the DDM+ type mechanics shelves for each line unit managed. The
NMA pin on DDM+ type chassis is pin 104.
Figure 1-5. Recommended Network Setup for DDM+ Type Shelves
LTPH-UM-1315-01
Figure 1-5
is the recommended setup for DDM+ type mechanics shelves. Up to two
shows the HRM-238 shelf from the rear view with the A-side connectors on the right
NMA 1 to 28 A
DDM+type shelf
(pin 104 of
each slot)
NMA 1 to 28 B
DDM+type shelf
(pin 104 of
each slot)
CO -48V
Supply
NMA 1 to 28 B
Network B
-48V A
-48V B
-48V A
-48V B
TB1
Network A
HRM Shelf
Chapter 1: Overview
NMA 1 to 28 A
H0544-D
1-5
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