Inter-m RM-911D User manual


www.inter-m.com
September 2013
Inter-M, Ltd. (Korea) began operations in 19 3.
Since then, Inter-M has grown to become one of the largest manufacturers
of professional audio and commercial sound electronics equipment in the world.
Inter-M has gained worldwide recognition for its own branded products,
as well as private label manufacturing of electronics sold under other names (OEM).
The company is no longer just a Korean company, but rather a global company
that is truly international in scope, with factories and offices in Korea and China,
and sales and marketing operations located in Japan, Europe, and the U.S.A.
With more than 50 employees around the globe,
Inter-M is well-poised for further growth and expansion.
INTER-M AMERICAS, INC.
13 75 ARTESIA BLVD. CERRITOS, CA 90703 USA
TEL : [phone], FAX : [phone]
Home Page : http://www.inter-m.net, E-mail : [email protected]
INTER-M Corporation
SEOUL OFFICE:653-5 BANGHAK-DONG, DOBONG-GU, SEOUL, KOREA
TEL : + 2-2-22 9- 140~ , FAX : + 2-2-22 9- 149
Home Page : http://www.inter-m.com, E-mail : [email protected]

RM-911D/W Remote Microphone
Operation
Manual

RISK OF ELECTRIC SHOCK
DO NOT OPEN

CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK.
DO NOT REMOVE COVER (OR BACK).
NO USER-SERVICEABLE PARTS INSIDE.
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.

To prevent fire or shock hazard, do not expose the unit to rain or moisture.
This symbol is intended to alert the user to the presence of
uninsulated “dangerous voltage” within the product’s
enclosure that may be of sufficient magnitude to constitute a
risk of electric shock to persons.
This symbol is intended to alert the user to the presence of
important operation and maintenance (servicing) instructions
in the literature accompanying the appliance.
Caution: These servicing instructions are for use by qualified service
personnel only. To reduce the risk of electric shock, do not any
perform any servicing other than that contained in the operating
instructions unless you are qualified to do so.
Attentions: Pour prévenir les chocs électriques ne pas utiliser cette fiche
polarisée avec un prolongateur, une prise de courant on une
autre sortie de courant, sauf si les lames peuvent étre
insérées à fond sans en laisser aucune partie à découvert.
Warning
*WARNING FOR YOUR PROTECTION PLEASE READ THE FOLLOWING-WATER
AND MOISTURE: Unit should not be used near water(e.g. near a bathtub,
washbowl, kitchen sink, laundry tub, in a wet basement, or near a swimming pool,
etc). Care should be taken so than objects do not fall and liquids are not spilled into
the enclosure through openings.
*Do not install this equipment in a confined space such as a book case or similar unit.
*This apparatus shall not be exposed to dripping or splashing and no objects filled
with liquids, such vases, shall be placed on the apparatus.
*This apparatus shall be connected to a mains socket outlet with a protective earthing
connection.
*It has heed to be easy to disconnect the device. To disconnect the device from
power, separate AC input cable from inlet or unplug the AC Cord.
*CAUTION : These servicing instructions are for use by qualified service personnel
only. To reduce the risk of electric shock, do not perform any servicing other than
that contained in the operating instructions unless you are qualified to do so.
NOTE : This equipment has been tested and found to comply with the limits for a
Class A digital device, pursuant to Part 15 of the FCC Rules. These limits
are designed to provide reasonable protection against harmful
interference when the equipment is operated in a commercial
environment. This equipment generates, uses, and can radiate radio
frequency energy and, if not installed and used in accordance with the
instruction manual, may cause harmful interference to radio
communications. Operation of this equipment in a residential area is likely
to cause harmful interference in which case the user will be required to
correct the interference at his own expense.

1
RM-911D/W(REMOTE MICROPHONE)
Contents
Welcome ................................................................2
Unpacking ..............................................................2
Short Form Instructions ..........................................3
Installation
Environment.........................................................4
Important Safety Instructions ...............................4
Features .................................................................6
Front Panel.............................................................8
Rear Panel .............................................................9
Operation Method.................................................13
Connection ...........................................................15
Block Diagram ......................................................17
Specifications .......................................................19
Service
Procedures.........................................................20
Schematic ..........................................................20
Parts List ............................................................20
Variations and Options
Variations ...........................................................20
Options...............................................................20
Warranty...............................................................20

2
RM-911D/W(REMOTE MICROPHONE)
Unpacking
Please take a few minutes to read this manual to
familiarize yourself with important information
regarding installation, product features, and operation.
As with most electronic devices, ORIGINAL
PACKAGING (OR EQUAL) IS REQUIRED in the
unlikely event that the product needs to be returned
for servicing.
Welcome/&01.-#+5&+$.,&2.6.3'0.,2)&,#-#(&,&-2
#-%&,/+.6&&1.'-2&0
All of the co-workers here at Inter-M are dedicated
to providing excellent products with inherently
good value, and we are delighted you have
purchased one of our products.
We sincerely trust this product will provide years
of satisfactory service, but if anything is not to
your complete satisfaction, we will endeavor to
make things right.
Welcome to Inter-M, and thank you for becoming
part of our worldwide extended family!

3
RM-911D/W(REMOTE MICROPHONE)
Short Form Instructions
1. Connect the CAT-5E cable to the ARM-911. Be
sure that the CAT-5E cable length must not longer
than the maximum operable length.
2. The IN-USE LEDs are blinking and if the
communication between RM-911 and ARM-911 is
no problem, then blinking is off.
3. Select the CHIME mode and TALK mode switch as
your preference. (RM-911D only)
4. Adjust the volume of monitor amp and adjust the
output volume.
5. Connect to the ARM-911 network using the IP
address of the ARM-911.
Move to the RM password menu among the
Administrator menu.
6. Select the RM password setting.
Input the password for RM1, RM2, RM3 and RM4
respectively.
7. Press the password using the INSTANT PLAY
Buttons of RM-911 and then press the button to
broadcast the message.
Check the LED of the button is lit and check the
broadcasting message is correct.
8. Press the password using the INSTANT PLAY
Buttons of RM-911 and then press the TALK
button (RM-911D) or press the PTT button (RM-
911W) and talk to the mic and check the voice is
broadcasted.
9. Adjust the broadcasting volume of RM-911 using
GUI.

4
RM-911D/W(REMOTE MICROPHONE)
Installation
-4*0.-,&-2
Never place this product in an environment which
could alter its performance or reduce its service life.
Such environments usually include high levels of
heat, dust, moisture, and vibration.
,/.02#-2#'&26-1203$2*.-1
1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this apparatus near water.
6. Clean only with dry cloth.
7. Do not block any ventilation openings. Install in
accordance with the manufacturer’s instructions.
8. Do not install near any heat sources such as
radiators, heat registers, stoves, or other
apparatus (including amplifiers) that produce heat.
9. Do not defeat the safety purpose of the polarized
or grounding-type plug. A polarized plug has two
blades with one wider than the other. A grounding
type plug has two blades and a third grounding
prong. The wide blade or the third prong are
provided for your safety. If the provided plug does
not fit into your outlet, consult an electrician for
replacement of the obsolete outlet.
10. Protect the power cord from being walked on
or pinched particularly at plugs, convenience
receptacles, and the point where they exit from
the apparatus.
11. Only use attachments/accessories specified by
the manufacturer.
12. Use only with the cart, stand,
tripod, bracket, or table specified
by the manufacturer, or sold with
the apparatus. When a cart is
used, use caution when moving
S3125A

5
RM-911D/W(REMOTE MICROPHONE)
the cart/apparatus combination to avoid injury from
tip-over.
13. Unplug this apparatus during lightning storms or
when unused for long periods of time.
14. Refer all servicing to qualified service personnel.
Servicing is required when the apparatus has been
damaged in any way, such as power-supply cord
or plug is damaged, liquid has been spilled or
objects have fallen into the apparatus, the
apparatus has been exposed to rain or moisture,
does not operate normally, or has been dropped.
- AVOID EXCESSIVE HEAT, HUMIDITY, DUST AND
VIBRATION
Keep the unit away from locations where it is likely to
be exposed to high temperatures or humidity-such as
near radiators, stoves, etc. Also avoid locations
which are subject to excessive dust accumulation, or
to vibration that could cause mechanical damage.
- AVOID PHYSICAL SHOCKS
Strong physical shocks to the unit may cause
damage. Handle the unit with care.
- DO NOT OPEN THE CASE OR ATTEMPT REPAIRS
OR MODIFICATIONS YOURSELF
This product contains no user-serviceable parts.
Refer all maintenance to qualified Inter-M service
personnel. Opening the case and/or tampering with
internal circuitry voids the warranty.
- ALWAYS POWER OFF BEFORE MAKING CONNECTIONS
Always turn the AC mains OFF before connecting or
disconnecting cables. This is important to prevent
damage to the unit itself as well as other connected
equipment.
- HANDLE CABLES CAREFULLY
Always plug and unplug cables (including the AC
mains power cord) by gripping the connector, not the
cord.
- CLEAN WITH A SOFT DRY CLOTH
Never use solvents such as benzine or paint thinner
to clean the unit. Wipe clean with a soft, dry cloth.

6
RM-911D/W(REMOTE MICROPHONE)
Features■■
   "

By pressing one of 10 instant play buttons,
message file can be directly played.
■■

Using RM-911D/W, emergency message of ARM-
911 can be controlled at remote place.
■■
"
Using MIC of RM-911D/W, emergency voice
broadcasting can be done at remote place.
■■
"
Using mode switch, TALK mode can be set.
■■
"
Using mode switch, Chime can be used.
■■
"
Chime and MIC voice can be monitored using
installed monitor speaker.
■■
!
External Adaptor can be used to extend the
operable cable length.
When external adaptor is used the power con-
sumption ARM-911 is decreased.

7
RM-911D/W(REMOTE MICROPHONE)
1 3 4 2
5
FrontPanel

.
 
Using Mic, emergency broadcasting can be done
at remote place.
If password is set in the GUI, first press the
password, and then press the TALK button (RM-
911D) or press the PTT switch (RM-911W) to use
the Mic.
If password is not correct or not inputted, then the
Mic can not be used.
1 2
4
3
5
- RM-911D
- RM-911W

8
RM-911D/W(REMOTE MICROPHONE)

.
Displays the output audio level.

.
Indicates the RM-911D/W which is now broad-
casting using MIC.

. 
Indicates the power on state.

."
Pressing the one of 10 buttons can play the
emergency message which is stored in the SD
card of ARM-911.
If ARM-911 or RM-911D/W plays the one of 10
messages, then the corresponded button is lit. If
the button which is lit is pressed in the one of 4
Remote Microphone (RM-911D/W), then broad-
casting is stopped.
If password is set in the GUI, first press the
password and then press the button to broadcast.
If password is not correct or not inputted, then the
IN-USE LED is blinking, the button does not lit and
the message does not played.

9
RM-911D/W(REMOTE MICROPHONE)

.!
Connect the external adaptor (OPTION) when it is
needed.
The power is supplied by the ARM-911 if the
adaptor is not used.
If the external adaptor is used, then the maximum
operable distance can be extended and the power
consumption of ARM-911 is decreased.

.
Connect to the ARM-911 using CAT5E cable.
The CAT5E pin description is as below.
Pin 1 : RS-422 RX+ (Refer to RM-911D)
Pin 2 : RS-422 RX- (Refer to RM-911D)
Pin 3 : RS-422 TX+ (Refer to RM-911D)
Pin 4 : DC24V
Pin 5 : GND
Pin 6 : RS-422 TX- (Refer to RM-911D)
Pin 7 : AUDIO HOT
Pin 8 : AUDIO COLD
1 2
34 5 6
RearPanel- RM-911D

10
RM-911D/W(REMOTE MICROPHONE)

.
The audio output volume is increased by turning
the volume clockwise.
The audio output volume is decreased by turning
the volume counter-clockwise.

.
The monitor output volume is increased by turning
the volume clockwise.
The monitor output volume is decreased by
turning the volume counter-clockwise.

..%&&22*-(5*2$)
SW1 : Set to On position.
4-Tone chime is output when Talk button is
pressed.
SW2 : Set to On position.
4-Tone chime is output when Talk button is
turned to Off.
SW3 : Set to OFF position.
Voice broadcasting can be done using the
MIC during the Talk button is pressed.
SW3 : Set the to ON position.
When the Talk button is once pressed,
then voice broadcasting can be done.
Press the button once again to stop the
Talk mode.

.
This terminal is used only for service purposes.

11
RM-911D/W(REMOTE MICROPHONE)

.
Install the external adaptor (OPTION) after open
the left top cover, when it is needed.
The power is supplied by the ARM-911 if the
adapor is not used.
If the external adaptor is used, then the maximum
operable distance can be extended and the power
consumption of ARM-911 is decreased.

.
This is the terminal for the PTT MIC input.

.!
This is the DC 24V input terminal of the external
adaptor.
NOTE: ADAPTOR (OPTION) can be installed
inside the unit after open the left top cover or can
be installed outside the unit and connect the DC
24V of the adaptor to the external adaptor input
terminal.
If the adaptor is installed inside the unit, then
install the adaptor after remove the metal plate of
the AC input position of the adaptor.
1 2
34 6
5
- RM-911W

12
RM-911D/W(REMOTE MICROPHONE)
- Remove the metal plate.
Open the left top cover. Screw off the bracket to
fix adaptor.
Install the adaptor inside the unit.
Connect the DC 24V ack.
Fix the adaptor with the bracket.
DC 24V
Input ack
↓

13
RM-911D/W(REMOTE MICROPHONE)

.
Connect to the ARM-911 using CAT5E cable.
The CAT5E pin description is as below.
Pin 1 : RS-422 RX+ (Refer to RM-911W)
Pin 2 : RS-422 RX- (Refer to RM-911W)
Pin 3 : RS-422 TX+ (Refer to RM-911W)
Pin 4 : DC24V
Pin 5 : GND
Pin 6 : RS-422 TX- (Refer to RM-911W)
Pin 7 : AUDIO HOT
Pin 8 : AUDIO COLD

.
The audio output volume is increased by turning
the volume clockwise.
The audio output volume is decreased by turning
the volume counter-clockwise

.
This terminal is used only for service purposes.

RM-911D/W(REMOTE MICROPHONE)
OperationMethod■■
 
Connect to the ARM-911 network using the IP
address of the ARM-911. Move to the RM
password menu among the Administrator Menu.
Input the password for the RM1, RM2, RM3, and
RM4 respectively. Select SET button.
To use password, select the 111111 box. To not
use the password, do not select the 111111 box.
■■
"
Press the password and then press the button to
play the message. The LED of the button is lit and
the message is played. If password is not correct or
not inputted, then the IN-USE LEDs are blinking and
the button does not lit and does not play the
message.
If ARM-911 or RM-911D/W plays the one of 10
messages, then the corresponded button is lit. If the
button which is lit is pressed in the one of 4 Remote
Microphone

RM-911D/W(REMOTE MICROPHONE)
(RM-911D/W), then the broadcasting is stopped and
the LED of the button is off.
If the password is inputted not correctly, then wait
until the LED is off and input the password correctly.
■■  .-+6
←Default :
←ON Position
SW1 : Set to On position.
4-Tone chime is output when Talk button is
pressed.
SW2 : Set to On position.
4-Tone chime is output when Talk button is
turned to Off.
SW3 : Set to OFF position.
Voice broadcasting can be done using the MIC
during the Talk button is pressed.
Set the SW3 to ON position.
When the Talk button is once pressed, then
voice broadcasting can be done.
Press the button once again to stop the Talk
mode.

14
RM-911D/W(REMOTE MICROPHONE)
Connections

15
RM-911D/W(REMOTE MICROPHONE)
BlockDiagram- RM-911D