Installation Instructions

Attaching the Site I/O Junction Box to the Unit
DEC 2000
6-15
SCt300 BTS Hardware Installation, ATP and FRU Procedures
PRELIMINARY
Objective
The objective of this procedure is to attach the Site I/O junction box to
the unit. The location for the Site I/O junction box is shown in
Figure 6-10.
If you do not mount a Site I/O Junction box to a unit, leave the installed
Site I/O caps on the Site I/O Junction box connectors.
Required Tools and Materials
The following tools and materials are necessary to do this procedure:
S Torque driver wrench, 1/4–in. hex female drive, 0–10 N–M
S T30 Torx tamper bit
S Site I/O Junction box
Procedure to Attach the Site
I/O Junction Box to the Unit
Follow the procedure below to attach the site I/O junction box to the
unit.
Table 6-8: Procedure to Attach the Site I/O Junction Box to the Unit
Step Action
1 Use a T30 TORX bit to remove Site I/O Cap from the Site
I/O connector.
NOTE
Save Site I/O Cap for future use.
2 Remove the Site I/O Plate from the Site I/O Junction Box.
3 Attach one end of the Site I/O Ground cable to the Site I/O
Junction Box. Use one M6x19 tamper–resistant screw.
Torque to 5.0 N–m.
4 The free end of the Site I/O junction box cable should be
connected to the customer–supplied Site I/O interface or to
the Primary Surge Suppressor.
5 Position the Site I/O junction box as shown in NO TAG.
6 Insert the Site I/O junction box on to the housing, using the
alignment feature on the housing.
7 Use a T30 Torx tamper bit to tighten (but do not torque) the
upper tamper resistant screw.
8 Tighten but do not torque the lower tamper resistant screw.
9 Use a T30 Torx tamper bit to torque the upper and lower
screw to 5 N–m.
6