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Programming Radionics 6112 Panels

Radionics (now Bosch) panels are solid and reliable but not user-friendly, requiring a programmer and depending on your panel revision a special dealer code or RAMlock code in order to reset to default settings.

The 4112 and 6112 can easily be programmed with either the 5100 or 5200 programmer; neither one features a datalock. Conversely, programming the 7112 requires another programmer and features one.


Radionics panels are among the oldest and most reliable systems on the market. Many original Omegalarm systems remain in service today, while newer panels like 4112 and 6112 from this manufacturer can be programmed using handheld programmers like 5100 or 5200 handheld programmers with customizable handlers that connect directly to specific panels.

However, unlike other alarm system manufacturers, Radionics (now Bosch) panels lack any way of being reset back to default. If a lithium battery dies or another dealer attempts to reset your panel using jumpers, key combinations, replacement chips or special passcodes, no solution exists for restoring them back. If your 4112 or 6112 panel has lost datalock access you may contact Norb at Obsolete Radionics who may help recover it through uploading default accounts into his programmer and uploading these onto the panel itself.


Radionics (now Bosch) panels are extremely reliable, but not suitable for DIY installation. You must contact an approved programmer who understands your specific Panel revision number if you want to change any settings on it, even things as basic as deleting zones. In order to bypass zone loops or manually fix one manually if one breaks, bypassing them altogether may also be required and possibly replacing an active lithium battery if one dies out prematurely.

No jumper, key combination, replacement chip or special passcode exist to restore a panel to default condition; therefore it is imperative that you obtain the appropriate RPS programmer for your panel. There are various models of RPS programmers, each supporting specific sets of panels; they may connect either directly to it through its direct connection module (9133DC) installed at the panel, or remotely using DX4020 and modem connectivity.

If your panel has lost datalock access, don’t hesitate to get in touch with Norb at Obsolete Radionics; I and he have both helped recover many password-locked panels – including those formerly managed by another alarm company – successfully.


Radionics (now Bosch) panels remain among the most durable alarm systems currently used, being found both in homes and commercial properties alike. Furthermore, their ease of use makes them very accessible; unlike most modern panels that allow jumper or key combination reset, Radionics must be reprogrammed using a special programmer called an RPS instead. First things first: determine what format your Radionics uses when communicating with central station; this can be accomplished by checking its prompt number (usually between 0-7) which indicates which modem II or BFSK requires 4 or 3 digit account numbers respectively; otherwise.

There are two handheld programmers compatible with most Radionics panels – the older 5100 and newer 5200 – both designed to program local panels directly, while the latter also allows loading “handlers” that will support multiple panels via “handler-enabled panels”. Handlers are applications run by the programmer which other panels send commands directly. Depending on how your system was originally setup, RAMlock or Datalock locks may also be necessary in order to regain functionality.


If your Radionics (now Bosch) control panel has an expired lithium battery or you have been locked out by another dealer, don’t fret; it may still be recoverable with help from Norb at Obsolete Radionics or me. Be aware though; these panels aren’t DIY friendly as they require either special programming software or depending on its revision and version a dealer code for unlocking.

Radionics gained considerable renown within the commercial and high security markets for their wide array of points and areas coverage systems; but they also enjoyed considerable success with smaller systems, including their 4112, 6112, and 8112 models; all still used today. They were designed based on older Omegalarm systems, but differ significantly from today’s panels in several key ways. For instance, later panels such as the 8112 include an addressable bus while earlier ones don’t. Furthermore, although unsuccessful as an entry level solution 7112 contains a datalock. Radionics programmers were originally known as RAM or RAM II/IV; when Bosch acquired them they were rebranded to RPS with special file systems to support new handlers without having to swap out ROM chips or return the programmer.


Radionics (now Bosch) made very reliable equipment that still sees widespread use today, which explains their continued relevance. Their panels feature socketed lithium batteries which make servicing simpler; additionally, a reset pin which locks into place will speed communication between panel and programmer.

Make sure terminal 10 has a solid ground reference by connecting an earth rod or cold water pipe; either option should suffice as this terminal is the far left bottom terminal on a 4112 or 6121 panel.

These panels utilize the ZONEX bus for expansion and addressable points, and can also be programmed with 5100 and 5200 programmers; however, they do not feature datalock functionality.

The 7112 is an expensive panel with more features. It comes equipped with four additional zones onboard and up to sixteen when expanded. Furthermore, this device supports Modem II protocol for reporting SDI to command centers.

If your 7112 panel has lost its datalock, recovering it may prove challenging. Luckily, software programs known as RAM II and RAM IV exist that can assist in this recovery effort and can be downloaded free from Bosch Security’s website.


Radionics (now Bosch) panels were robust devices and still function reliably today; however, you should know a few details about them before using one. In particular, unlike other panels, Radionics cannot be reset back to factory defaults using jumpers, key combinations, or swapping out chips – thus necessitating programming software such as RAM or Remote Account Manager on MS-DOS and RAM V on Windows for this process.

Older 4112 and 6121 panels are relatively easy to program with handheld 5100 and 5200 programmer, and don’t feature datalocks; programming them using one is often possible with just your fingertips! On the other hand, newer 7412G and 9412G panels may require additional steps due to not supporting addressable bus or compatible keypads; but Norb at Obsolete Radionics can unlock these panels for you at competitive prices; his selection is impressive as well.


The 9412G is a UL Listed Control/Communicator designed to monitor Central Station, Local, Remote Station Connect, and Household Burglar Alarm systems. Featuring an inbuilt telephone monitor and supporting certain cellular communicators (select models only), the system can also be programmed to send an SMS text message or phone call when an alarm condition arises.

This panel uses a 16.5 VDC, 40 VA internally fused transformer to supply AC power to its components and systems. This primary circuit provides 1.9 amps of electricity; 500 milliamperes is reserved for internal operations while 1.4 amps goes towards powered devices; any remaining portion of this circuit serves as battery standby power supply.

POPIT Modules allow the 9412G to add off-board points. Each off-board point requires its own POPIT Module; therefore, up to 238 off-board points can be accommodated by this model.

The 9412G can be locally programmed using either the 5100 handheld or the 5200 handheld programmer, with both of them offering “handlers” that allow multiple panel support via “handles.” This enables the user to quickly change point profiles or index without swapping out ROM chips – downloadable either through RPS or directly through programming devices.