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Infinite 816 Key Telephone System
INSTALLATION
back of the SLA with the screws and slide
the SL4 on the waJl. Tighten
the screws to
secure
the SLA to the wall.
Replace
the
cover removed
above. Refer to Figure 5OO-
12 for size and dimensions.
The SLA is designed
with
screw terminals
to
make
connection
to the
KSU via the
MDF
simple.
This
can be done right
at the MDF
using
cross connect
wire to make
connection
between
the punch
down blocks
and the SIA
Before attempting
to make connections
remove
the
plastic
safety
strip
fi-om the terminals.
Refer to Figure
500-13
for wiring
connections.
The installer
should
exercise caution
when
connection
a SLA while system
power is ON. Also the proper
polarity
of the wired
connections
must
be
maintained
for proper
operation.
KSU Station (input)
Using
Cross
connect
wire
connect
from
the
station
block
(Jl
or 52) to the INPUT
1" or
INPUT
2".
Connect
all four (4)
leads ikom a
station
circuit
Ivr.
VR, DT. DR leads) to the
corresponding
input
screw
terminal.
When
connecting
the leads into the SLA, strip l/4
of
an inch of wire before inserting
into the screw
terminal.
The
SLA communicates
to the KSU on the
INPUT
1 port only, therefore
when
installing
only one port the SLA Input
1 connector
must
be used.
When installing
both SLA ports KSU
sister
station
ports
must
be used
(i.e. KSU
station
port 03 and 04 or 05 and 06
or 07
and
08 etc.) It is not recommended
that
KSU sta-
tion port 01 be used for SIA applications,
as
this port
serves as the system
programming
port.
Single Line Telephone wiring (output)
From
the SLA adapter
cross connect
the
SL
leads Crip and Ringl to the station
block where
the home run cable of the SLT device is termi-
nated.
Issue 1, January
1992
500-21
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