Toshiba Strata DK 280 Installation Manual page 216
Digital business telephone system
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- User manual (79 pages) ,
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6.4.1
System
Hardware
Requirements
System hardware
requirements
vary depending
on the
HESB
option
selected.
Refer
to the
following
installation
procedures
for the system
hardware
requirements
for each option.
6.4.2
HESB Option
Installation
Loud Ringing
Bell Installation
Install the HESB loud ringing bell option in accordance
with the following procedures:
HESB
Installation
for Digital
Telephone
(Figure 6- I I):
,
1.
2.
3.
4.
5.
6.
7.
Connect a jumper between
terminals 2 and 10 on
the HESB TBl terminal block.
4.
Connect
a jumper between
terminals
4 and 5 on
the HESB TB2 terminal block.
Notes:
5.
1. HESB connections
made in Steps 3 - 5
may be accomplished
using the HESB
VOICE modular
jack instead
of the TB1
terminal block.
6.
2.
install
an HHEU
PCB and HESC-65A
cable in the telephone
per Chapter
5-
Station Apparatus
before proceeding
with
Step 3.
7.
Connect
terminal
1 of the HESB TBl
terminal
block to the red (+) wire of the HESC-65A
using a
modular block.
8.
Connect
terminal
2 of the HESB TB1 terminal
block to the green (-) wire of the HESC-65A
using
a modular block.
Loud Ringing
Bell Test
Test the loud ringing bell installation
in accordance
with the following steps:
Connect
terminal
8 of the HESB TBl
terminal
block to the yellow
(L2) wire of the HESC-65A
cable using a modular block.
Connect the HACU-120
power supply's +12V lead
to terminal 1 of the HESB TB2 terminal block, and
connect the power supply's OV lead to terminal 2.
Plug the provided
power
cord into the power
supply and to a 117VAC, 60Hz power source.
1.
2.
3.
HESB Installation
for Electronic
Telephone
(Figure 6- 12):
1.
On the HESB TBl
terminal
block:
connect
a
jumper
between
terminals
6 and 7, and connect
another jumper between terminals 5 and 8.
2.
3.
On the HESB
TB2 terminal
block,
connect
a
jumper between
terminals 4 and 5 .
Notes:
1.
HESB connections
made in Steps 3- 6
may be accomplished
using the HESB
VOICE modular
jack instead
of the TBI
terminal block,
2.
Install an HHEU PCB and HESC-65
(or
HESC-65A)
cable in the telephone
per
Chapter
5-Station
Apparatus
before
proceeding
with Step 3.
Connect
terminal
1 of the HESB TBl
terminal
block to the red (+) wire of the HESC-65
cable
using a modular block.
Connect
terminal
2 of the HESB TBl
terminal
block to the green (-) wire of the HESC-65
cable
using a modular block.
Connect
terminal
3 of the HESB TBl
terminal
block
to pin 3 of the electronic
telephone's
modular block (VOICE TIP).
Connect
terminal
4 of the HESB TBl
terminal
block
to Pin 4 of the electronic
telephone's
modular block (VOICE RING).
Connect the HACU-120
power supply's +12V lead
to terminal 1 of the HESB TB2 terminal block, and
connect the power supply's OV lead to terminal 2.
Plug the provided
power
cord into the power
supply and to a 117VAC, 60Hz power source.
i
Make a CO or station call to the station configured
for the loud ringing bell. Ringing will be heard over
the HESB.
Using a small
slotted
screwdriver,
adjust
the
HESB volume
control
to the desired
level by
turning
the volume
control
on the back of the
HESB and adjusting the ring volume control on the
telephone.
If ringing is heard at the station, but not over the
HESB,
perform
the following
check
while
the
station is ringing:
.
I
Using a suitable
voltmeter,
measure
voltage
across terminals
1 (+) and 2 (-) of the HESB TBl
6-16
January
1996
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