464.100
TAC 1
Radio Cable part number is determined by radio
manufacturer, model number, and length of cable.
Mount the IM-977W4 using the 4 small
mounting holes or the 2 larger holes on
the enclosure flanges.
Mounting screws are supplied by user.
IM-977W4 Typical Installation
Radio, Headsets, and Power
3019 Alvin DeVane Blvd.
Ste. 560
Austin, TX 78741
Phone: (650) 965-8020
CORPORATION
®
TECH SUPPORT: 650-965-8020 ext. 703
Questions or technical issues? Please call:
RC or RCB
Radio Cable
If 2 radios are required, a
Setcom RRC-950 can be
connected to the RRC Jack.
Refer to the RRC-950 User
Guide for more information.
Mobile Radio
CSB-970x or
other TX
Headset with
Conxall plug
TX Headsets can be plugged into any of the
headset jacks. A 900W4-Base wireless base
station, or an RS-960 Remote Transmit
Station, can also be plugged in to any of the
headset jacks.
DC Power Cable
RED = +V
GREEN = GROUND
Connect the DC Power cable to a
12 to 24 VDC power connection.
The IM-977W4 has an internal 1A
ATO fuse, but it is recommended to
connect the unit to a fused power
source.
Page of
2
8
S
A
B
AUX
AUDIO
HEADSET 1
HEADSET 2
HEADSET 3
HEADSET 4
RADIO
REMOTES
POWER
FOOTSWITCH
RRC
A B
Refer to the 900W4-Base instructions, or the
RS-960 User Guide for more information on
those products, such as required cables and
general installation notes.
If a 900W4-Base is to be used, it should be
at least 3 feet away from the IM-977W4 to
prevent interference.
