Typical Mdf Installation - Comdial DX-80 Installation & Maintenance Manual

Regardless of the method used, station / MDF cables are routed out of the
KSU through the opening at the lower left of the KSU housing. A cable
restraint clamp is provided and may be used to secure cables exiting the
KSU.

Typical MDF Installation

The example install below illustrates a two-cabinet installation using the MDF installation method.
Dedicated
AC Outlet.
(Dedicated
means that
this AC
outlet has
no other
equipment
connected
on this
circuit
breaker.
#10
AWG
ground
P7290 IMM
DX-80 I M
NSTALLATION AND AINTENANCE
DX-80
KSU1
66M1-50 blocks
66M1-50
KSU
terminations
"Station"
phone cable
terminations
2-6
M
ANUAL
DX-80
KSU2
66M1-50
blocks
ancillary
equipment
(Paging,
music
sources, etc.)
blocks
The 66M1-50 is split into a left half and right half
Each row is conductive between the left two
columns and the right two columns. This is the
Terminate cable pairs from the KSU and from
telephone locations on outer column pins, one lead
NEVER terminate two wires on one pin!
This is referred to as "double-punching" and
causes poor connection of wires on the terminal.
(Note: When used with "Bridging Clips," the Split
50 block can be used to isolate trouble in wiring.)
"Station"
Cables from
telephones
Paging
Equipment,
other
ancillary
(third-party)
equipment.
66M1-50
for wiring terminations.
source of the term "Split 50."
only per pin.