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IDENTIFYING YOUR MAXWELL OPERATING SYSTEM
PICTURE OF OLD J BOX ON THE LEFT, NEW J-BOX ON THE RIGHT
OLD J BOX ON THE LEFT, NEW J-BOX ON THE RIGHT. CLICK TO ENLARGE.
The grey box on the left is an example of the j-box used in the old operating system. They could also be yellow, green or tan colored.

The black box on the right is one of the new j-boxes.

 
This is the back of an old style RO-T hand control. The main purpose of this picture is to show the A-B-C switch. It is located in different places on different hand controls but looks the same on all of them.



They changed the operating system and frequency on Maxwell Product beds in 2004 and do not make replacement parts in the old frequency. If either the hand control or the brain box (j-box is the technical name) under the bed goes bad you have to change both pieces. There are several ways to tell if you have the old system or the new system.

OLD SYSTEM

RO-T (NO MASSAGE)
1. Instead of push buttons, the hand control had 2 large rocker switches.
2. The words “MODEL NO.: RO-T” are usually found written on the back above the FCC ID number.
3. In the battery compartment, tucked away in the upper right hand corner is a sliding switch labeled “CODE C-B-A”. Behind this label is a sliding switch. It is hard to see but it slides to select the A-B-C position.
4. The motors plug into a grey box (called the junction box or j-box)  that is 3’ tall by 6 “ long by 6” wide. There is a green and yellow ground wire coming out of the box that is bolted to the frame. There is also a thin black antenna wire coming out of the box that is either stapled to the wood under the bed or just hangs there. On the side of the box is a sliding “A-B-C” switch that matches the one on the hand control. Both the hand control and the j-box must be set on the same frequency to operate the bed.
 
R2-T, R2-T3 AND R2-T4
1. There are 13 push buttons - Head up, head down, foot up, foot down, massage timer on, and 1-2-3 speed buttons for the head massage, 1-2-3 speed buttons for the foot massage, head massage off and foot massage off. On the really old hand controls the buttons were colored and on the newer hand controls the buttons were fluorescent white. The buttons on the hand controls of the new system are also fluorescent white and this is what causes most of the confusion between the systems.
2. The words “MODEL NO.: R2-T or R2-T3 or R2-T4” are usually found written on the back above the FCC ID number.
3. In the battery compartment, tucked away in the upper left hand corner is a sliding switch labeled “CODE C-B-A”. Behind this label is a sliding switch. It is hard to see but it slides to select the A-B-C position.
4. The motors plug into a green box (called the junction box or j-box)  that is 3’ tall by 6 “ long by 6” wide. There is a green and yellow ground wire coming out of the box that is bolted to the frame. There is also a thin black antenna wire coming out of the box that is either stapled to the wood under the bed or just hangs there. On the side of the box is a sliding “A-B-C” switch that matches the one on the hand control. Both the hand control and the j-box must be set on the same frequency to operate the bed.

MR2-T9
1. This is a long skinny hand control that is round on the bottom and flat on the top and has rounded sides. It operates via push buttons. The buttons were fluorescent white.
2. There is usually no model number written on it.
In the battery compartment, tucked away in one of the corners is a sliding switch labeled “CODE C-B-A”. Behind this label is a sliding switch. It is hard to see but it slides to select the A-B-C position.
it takes 3 triple A batteries
5. The motors plug into a green box (called the junction box or j-box)  that is 3’ tall by 6 “ long by 6” wide. There is a green and yellow ground wire coming out of the box that is bolted to the frame. There is also a thin black antenna wire coming out of the box that is either stapled to the wood under the bed or just hangs there. On the side of the box is a sliding “A-B-C” switch that matches the one on the hand control. Both the hand control and the j-box must be set on the same frequency to operate the bed.

SEALY/CELEBRITY CHOICE
1. This is a long skinny hand control that is flat on the bottom and rounded on the top. It has flat sides and has a slight bend to it.  It operates via push buttons.  
2. There is usually no model number written on it.
In the battery compartment, tucked away in one of the corners is a sliding switch labeled “CODE C-B-A”. Behind this label is a sliding switch. It is hard to see but it slides to select the A-B-C position.
it takes a 9 volt batteries
The motors plug into a yellow box (called the junction box or j-box)  that is 3’ tall by 6 “ long by 6” wide. There is a green and yellow ground wire coming out of the box that is bolted to the frame. There is also a thin black antenna wire coming out of the box that is either stapled to the wood under the bed or just hangs there. On the side of the box is a sliding “A-B-C” switch that matches the one on the hand control. Both the hand control and the j-box must be set on the same frequency to operate the bed.

SIMMONS RPSP
1. This is a short flat grey hand control.  A small door slides down to reveal both the massage buttons and some factory preset position buttons.  It operates via push buttons.  
2. There is usually no model number written on it.
The battery compartment is located under the sliding door on the front of the hand control. In the battery compartment, tucked away in one of the corners is a sliding switch labeled “CODE C-B-A”. Behind this label is a sliding switch. It is hard to see but it slides to select the A-B-C position.
It takes a 12 volt batteries. It looks like a AAA battery but is only half as long.
The motors plug into a tan box (called the junction box or j-box)  that is 3’ tall by 6 “ long by 6” wide. There is a green and yellow ground wire coming out of the box that is bolted to the frame. There is also a thin black antenna wire coming out of the box that is either stapled to the wood under the bed or just hangs there. On the side of the box is a sliding “A-B-C” switch that matches the one on the hand control. Both the hand control and the j-box must be set on the same frequency to operate the bed.

NEW SYSTEMS

R2-T, R2-T3 and R2-T4
Model R2-T4BR now replaces all of the above systems.
1. All of the hand controls have push buttons.
2. There is no model name on the back of the hand controls.
3. There is no “A-B-C” switch in the battery compartment. The hand controls now electronically program the beds to its own individual frequency.
4. The j-box is a flat black box measuring 2.5 “ tall, 6” wide and 7” long. It has a red antenna wire handing freely out of it and there is no ground wire.

MR2T9
It is now called the Model MR2-T9BR.
1. The hand control is now round on both the top and bottom.
2. There is no model name on the back of the hand controls.
3. There is no “A-B-C” switch in the battery compartment. The hand control now electronically program the beds to its own individual frequency.
4. The j-box is a flat black box measuring 2.5 “ tall, 6” wide and 7” long. It has a red antenna wire handing freely out of it and there is no ground wire.

SEALY/CELEBRITY CHOICE AND SIMMONS RPSP
Use the Sealy Memory Hand Control to replace either of the above systems.
1. The hand control is now round on both the top and bottom.
2. There is no model name on the back of the hand controls.
3. There is no “A-B-C” switch in the battery compartment. The hand control now electronically program the beds to its own individual frequency.
4.The j-box is a flat black box measuring 2.5 “ tall, 6” wide and 7” long. It has a red antenna wire handing freely out of it and there is no ground wire.


SIMMONS RPSP
Use either the R2-T4BR or MR2-T9 System above to replace this
old systems.

Depending on what features you want, you can also use the following hand controls with the new black boxes:
S-Cape (LEAST EXPENSIVE)
E-95MR
MR2-T8
SERTA PP3
E-O2K1
BASIS C-3