Older One For All IR Remote Serial Protocol

This protocol supposedly works for:

URC-4000 (One For All 6)
URC-5000 (One For All 12)

For newer remotes, click here.

Serial Settings

4800 baud, 1 start bit, 8 data bits, no parity, 1 stop bit, half-duplex.

DTR High, RTS Low

The active components hidden in the serial cable's DB9 housing draw power from DTR. Before communication, you should lower DTR and CTS: this resets the circuitry. During communication, you must raise DTR to power the serial cable.

Wake Up Sequence

You must repeat this wake up sequence for each command you send to the remote.

To wake up the remote:

raise DTR (to power the serial cable)
send a serial BREAK for at least 50 msec (15 msec minimum, but some remotes take longer than that, maybe even 100 msec)
receive a wake-up acknowlege from the remote: 0x6E
send a serial execute command to the remote: 0xBC
receive a serial execute command acknowlege: 0x6F

Once the remote's awake, you can send any single-byte keycode to the remote. The remote will go to sleep after execute the keycode. The remote will echo back the keycode.

If you send a macro command that issues multiple keycodes, the remote echoes back only the last keycode.

After each command:

lower DTR (power down the serial cable)
wait 200 msec

Table of Keycodes

These keycodes are probably wrong: each new OFA model has a unique set of keycodes. If you map out a particular unit's keycodes, please send a list to Rob at remotes@stormloader.com to add to the codes page.

Name	Code	Name	Code	Name	Code	Name	Code	Name	Code	Name	Code	Name	Code
	00	6	10		20	Aux	30	Enter	40	Play	50		60
Mute	01	3	11	B/Audio	21	TV	31		41	Pause	51	Sleep	61
Vol -	02		12	Amp	22		32		42	Stop	52	F1	62
Vol +	03		13	VCR	23	CH +	33	FF	43	Display	53		63
	04	C/Tuner /Video	14	7	24	CH -	34		44		54		64
Power	05	Cable	15	4	25		35		45	F2	55		65
CD	06	8	16	1	26		36	A/B	46	Recall	56		66
Satellite	07	5	17		27	Record	37	F3	47		57		67
9	08		18		28	Program	38	0	48		58		68
	09	2	19	A	29	F4	39		49	Rewind	59		69