
Installing intramodule and intermodule cabling 9-11
Intermodule bus cable connection
Standard 1.0 Modular Option EC Installation and Maintenance Guide November 1999
Intermodule bus cable connection
Installing the external
voice bus cable
The EVB cable (NT6P0111/8/9 or NT6P0124/5/6) connects
one module to another. The EVB cable does not come
preinstalled with the system. The exact cabling depends on the
number of modules and utility cards in the system and the
relative location of one module to another. Refer to the
following table to find the appropriate procedure for the system
you are installing. If the system has two columns, also refer to
“Installing EVB cables between columns” on page 9-16.
Note: The EVB cable cannot be routed through the I/O panel.
EVB cabling guide
The EVB needs a terminator (NT6P0106) on the last module of
a chain of modules, unless the last module contains a utility
Number of
utility cards Number of modules Procedure to use
1 2 “Installing EVB
cabling—two
modules, one utility
card” on page 9-12
2 2 “Installing EVB
cabling—two
modules, two utility
cards” on page 9-12
1 3 “Installing EVB
cabling—three
modules, one utility
card” on page 9-14
2 3 “Installing EVB
cabling—three
modules, two utility
cards” on page 9-15
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