SB-704 MAIN STATION
2-7
Figure 2-5: Typical Mixed System Wiring
PHYSICAL INSTALLATION
You can install the SB-704 in a standard equipment rack, or you can use it as
stand-alone unit sitting on a table or desk. For installing in an equipment rack,
the unit requires 3.5 in. (8.89 cm or 2RU) of rack space. The stations are10.5
in. (26.67 cm) in depth and require at least 2.5 in. (6.35 cm) clearance in the
rear to clear connectors and cables.
DESCRIPTION OF CONNECTORS
HEADSET CONNECTOR (FRONT PANEL)
Note: The following is a description of a recommended headset.
Mic Type --- Dynamic, see technical specifications for details
Wiring:
Pin 1 --- Mic common
Pin 2 --- Mic hot
Pin 3 --- Headphone common
Pin 4 --- Headphone hot
Note: Do not tie pin #1 and pin #3 together.
PANEL MIC CONNECTOR (FRONT PANEL)
Two plug-in panel microphones are available for use on the SB-704. The
GM-9 is 9 in. (23.04 cm) long and GM-18 is 18 in. (46.08 cm) long. The
microphone is of the electret type. The microphone has a built-in 0.25-in.
AUX
On
Off
On
Off
On
Off
ELECTRIC SHOCK DO NOT
FIRE OR SHOCK HAZARD DO NOT
EXPOSE THIS EQUIPMENTTO RAIN
TO
P
R
E
V
E
N
T
TO PREVENT
WARNING:
OR MOISTURE.
CAUTION:
REMOVE COVER. NO USER
SERVICEABLEPARTS INSIDE.
REFER TOQUAL IFIED SERVICE
PERSONNEL.
SB-704
HOT MIC/IFB
EXTERNAL
SPEAKER
CHANNEL A
CHANNEL C
CHANNEL B
CHANNEL D
5
109
1234
PROGRAM IN
ANNOUNCE OUT
RM-704
HOT MIC/IFB
CHANNEL A
CHANNEL C CHANNEL D
CHANNEL B
PROGRAM IN
ANNOUNCE OUT
AUX
RM-704
SB-704
1-Channel Beltpacks
utput: 30V, 1.2AContinuous, 2A Pe
ss 2 Wiring
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