SECTION 2: INSTALLATION
2.1
MECHANICAL INSTALLATION
The
can
be
installed in
3
ways: a single unit
mounted in a
half
rack
space
using
an
optional Model
Kit for rack mounting
a single unit;
or
two
supplies
mounted side by side using the optional
Kit for rack
mounting two
units
side by side; or
standing using the
optional
Kit for adding side channels for non-rack
mounting portable
use.
2.2 ELECTRICAL INSTALLATION
The connection for the headset
used
to
set-up
the
interface
is
on
the
front panel,
all
other connections
are on
the
panel.
Figure
2-1
shows
the
rear
panel connections. System
A
two-wire connection is
at
System
B,
These are
(female)
type
connectors. System
A
and
B
connections
to
the option card, when installed.
Low voltage
alternating current power is applied to
(16
volts, AC).
connector
are
listed below.
RTS
RTS
**
*
3
2
3
Com
1
1
1
1
(System
B)
and/or
S102
(System
A)
set
to in position
for balanced operation.
**
If option
board
installed and
call light operation
is
required,
move jumper
W103
(System A) and/or jumper
(System
B)
on motherboard
to
23
position.
Jumper
for System
A,
for System
B.
System
A
System
B
Audio
In
H
i
1
5
Audio In
Lo
2
6
Audio Out
H
i
3
7
Audio Out
Lo
4
8
Earth
1
2
3
4
1
2
15
3
16
4
17
5
18
6
19
7
20
8
9
21
22
23
10
11
24
12
25
Earth
Audio
In
Hi,
System A
4-Wire
Audio In
Lo,
System A
4-Wire
Audio Out
Hi,
System A
4-Wire
Audio Out
Lo,
System A
4-Wire
Audio
In
Hi,
System
B
4-Wire
Audio In
Lo,
System
B
4-Wire
Audio Out
Hi,
System
B
4-Wire
Audio Out
Lo,
System
B
Call
Send GND
(A)
Call Send
H
i
(A)
Call Sig
En
GND
(A)
Relay Contact NO
(A)
Relay Contact COM
(A)
Relay Contact NC
(A)
Relay Contact NO
(B)
Relay Contact COM
(B)
Relay Contact NC
(B)
Call Send GND
(B)
Call Send
H
i
(B)
1
Lo
2
Hi
3
Headphone Com
4
Left Headphone
Hi
5
Right
Headphone
Hi
6
No Connection
on
for tone test signal,
for voice test
signal. Test signal
used
with headset and
front
panel nulling
adjustments
to
null
two-wire signal.
e -
