Nitsuko Portrait 824 Hardware Manual

Hardware Manual
82400INS03
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This manual has been developed by Nitsuko America.  It is intended
for the use of its customers and service personnel, and should be
read in its entirety before attempting to install or program the sys-
tem.  Any comments or suggestions for improving this manual
would be appreciated.  Forward your remarks to:
Nitsuko America, Telecom Division
4 Forest Parkway
Shelton, CT  06484
Attention:  Manager, Technical Publications
Nothing contained in this manual shall be deemed to be, and this
manual does not...

Section 1
Installing the Main Cabinets
In this section. . . Page
Installing the Cabinets  . . . . . . . . . . . . . . .1-3
Unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
Before Installing . . . . . . . . . . . . . . . . . . . . . . 1-3
Site Requirements . . . . . . . . . . . . . . . . . . . . . 1-3
Removing the Cover . . . . . . . . . . . . . . . . . . . 1-4
Mounting the Cabinet . . . . . . . . . . . . . . . . . . 1-4
Grounding the Cabinet  . . . . . . . . . . . . . . .1-6
Connecting...

1-2
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INSTALLING THE CABINET
Unpacking
Unpack the equipment and check it against your equip-
ment lists. Inspect for physical damage. 
Have the appropriate tools for the job on hand, includ-
ing: a test set, a punch down tool and a digital voltmeter.
Before Installing
Make sure you have a building plan showing the loca-
tion of the common equipment, extensions, the telco
demarcation and earth ground.  In addition, the instal-
lation site must meet the requirements outlined in the
Standard Practices Manual....

INSTALLING THE CABINET
Removing the Cover (Figure 1-1)
To make wall-mounting easier, remove the cover on the
common equipment cabinet. This allows you to use the
cabinet as a mounting template.
1.Unscrew the two captive screws on the lower half of
the cabinet cover.
2.Lift up the lower half of the cover Ñ then slide the
cover back slightly to remove it.
Figure 1-1  REMOVING THE COVER
Mounting the Cabinet (Figure 1-2)
1.Using suitable fasteners, mount a Main Distribution
Frame (MDF) plywood backboard in a...

INSTALLING THE CABINET
1-5 Figure 1-2  INSTALLATION LAYOUT
FO
F1250V
6.3A250V
6.3A
82400 - 13
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1-6
GROUNDING THE CABINET
Connecting the Ground Wires (Figure 1-3)
The cabinet is grounded at the ETH(Earth Ground)
connection.
1.Loosen the lug on the ground connection.
2.Using a piece of 12 AWG stranded copper wire, con-
nect the ETH to the ground connector.
3.Insert 12 AWG stranded copper wire into the
grounding terminal on the outside of the cabinet.
Firmly tighten the connection.
4.Connect the grounding cable to a known earth
ground.
Figure 1-3  GROUNDING A CABINET
Now that your cabinet is...

Section 2
PCB Installation and Startup
In this section. . . Page
PCB Location  . . . . . . . . . . . . . . . . . . . . . . . . . . .2-3
Where to Install the PCBs  . . . . . . . . . . . . . . . . . . .2-3
Installing PCBs  . . . . . . . . . . . . . . . . . . . . . . . . .2-4
Central Processing Unit (CPU) PCB  . . . . . . . . . . .2-4
Expansion (2CO/8STA) PCB  . . . . . . . . . . . . . . . .2-6
Ring Generator PCB  . . . . . . . . . . . . . . . . . . . . . . .2-7
Auxiliary PCB  . . . . . . . . . . . . . . ....

2-2
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