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KI-1683C
TC4222 Vacuum
Fluorescent
Display
Installation
RAULAND-BORG CORPORATION
l
3450 West Oakton Street,
Skokie, Illinois 60076-2951
l
(847) 679-0900
General
Information
Description
Planning
The TC4222 Vacuum Fluorescent Display ("VFD") may
be used as an alternative
to the LCD displays of the
Telecenter Systems. The TC4222 is larger and brighter than
an LCD module and, being wall-mounted,
can serve as the
display for several nearby administrative
phones. It is
compatibIe with Telecenter@ IV, Telecenter V, Telecenter
TCS, Telecenter System 21, and Telecenter 1100 systems.
Attachments
IL0364 (Installation Diagram).
The TC4222 connects to one of the two LCD drivers on
the Main Input/Output
(MIO) module. Each LCD driver
accommodates up to three displays (LCD or VFD, in any
combination)
and a total cable length of 1,000 feet. Refer
to the System Wiring
Diagram
(KMO674) in the main
Telecenter IV manual (KI-1435) as well as to the attached
drawings.
Parts Enclosed
Qty.
Description
Part No.
1
VFD printed-circuit-board assembly,
VC7461
1
Chassis (without the transformer and the
A3614
ground wire).
1
Power transformer (mounted on the chas-
LP0442
sis).
1
Front panel.
QP0992
3
Wire nuts.
QP0488
1
Three-pin connector.
SF0475-3
2
Screws (6-32
x
1/4" panhead) for attaching
WA57
the chassis
to
the back- box.
4
Screws (6-32
x
1" black flathead Phillips)
WA114
for attaching the front panel.
The TC4222 connects to the primary display-driver
ter-
minals of the Central Input/Output
(CIO) module. The
primary display-driver can accommodate up to 16 displays
(LCD or VFD, in any combination),
and a total cable length
of 2,000 feet of 22-AWG wire. Refer to the System Wiring
Diagram (KM1035) in the main Telecenter V manual (KI-
1687) as well as to the attached drawings.
The TC4222 connects to the primary display-driver
ter-
minalS
of the SAC Master-Port punchblock.
The primary
display-driver can accommodate up to 16 displays (LCD or
VFD, in any combination),
and a total cable length of 1,000
feet of 22-AWG wire. Refer to the System Wiring Diagram
(KM1121) and to the other attached drawings.
TCIV Installations
TCV Installations
TC2100 Installations
Installation
@ Mount the display in a back-box that has a five-gang
opening and a minimum depth of 2 1/2 inches.
0 Carefully remove the seven-pin connector
from the
circuit-board assembly. Put the assembly aside in a safe
@ Pull through the hole the three-conductor
AC power
place.
lines and the 22-gauge shielded pair from an LCD driver,
@ Orient the chassis assembly horizontally,
with
the
Caution: Do not apply power to the AC lines until
transformer to the right. Insert it into the electrical box,
this installation has been completed.
making sure that the wires are not pinched. Secure the
0 1995 RAULANC-BORG
CORFWATION
l
Printed in U.S.A.
Page 1 of 6
Orig. 5/92.
Rev. 8/92. 9/93. 2/95.
168303
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