Communications ProtocolData acquisition and control of Axium equipment is performed by home automation systems or personal computers using a special p
• Standard time to DST changeover week• Standard time to DST changeover weekday• Standard time to DST changeover hour• Hour (0..23). Bit 7 set if in D
The remaining bytes list the zones in the group and are in {0..95}. Zones can be removed from the group by defining new groups which exclude the zone
bytes IP addresses (4 bytes per address): IP address, subnet mask, DNS server, default router.• 81h = Request network name• 82h = Request time server
only. Bit 4 is set for UTC and clear for local time.• Day (1..31)• Month (1..12)• Year (0..255, where 0 = 2000)Notes:• AX450I, AX4750I and all later a
change to the amplifier volume on zone B but also implies a change to the Preamp volume on zones A and B.• The “no operation” command is useful for re
4. KRXm: Modulation period in 0.2µs (4 cycles @ 20MHz) units, one byte. 0 when no modulation is used, FF when command is undefined in which case, no b
• 0B – 32 kHz, 16 bit stereo PCM• 0C – 44 kHz, 16 bit stereo PCM• 0D – 48 kHz, 16 bit stereo PCMKeypad key codesAn Axium Keypad may be directed to emi
13 33 53 73 93 B3 D3 F3 Band (4)14 34 54 74 94 B4 D4 F4 Stop (3)KRXmREPEATS KEYContinuous 1 2 3 4 5 6 7 00 20 40 60 80 A0 C0 E0 Volume Down01 21 41
18 38 58 78 98 B8 C8 F8 219 39 59 79 99 B9 C9 F9 51A 3A 5A 7A 9A BA CA FA 81B 3B 5B 7B 9B BB CB FB 01C 3C 5C 7C 9C BC CC FC 31D 3D 5D 7D 9D BD CD FD 6
15 35 55 75 95 B5 D5 F5 Skip16 36 56 76 96 B6 D6 F6 Stop17 37 57 77 97 B7 D7 F7 Play18 38 58 78 98 B8 D8 F8 019 39 59 79 99 B9 D9 F9 91A 3A 5A 7A 9A B
The modulation frequency is 44.1 kHz and all bursts of IR are 1ms in length. The length of the pauses between the IR bursts is what contains the data.
2. Command ProtocolCommand structure: <command><zone>[<data>[<data>[...]]]Command: The command byte can have the following val
32 Source Gain33 Page Preset 2 Selection34 Clipping notification35 IR routing assignments36 Party mode select/deselect37 Party mode configuration38 Zo
03 Standby B on04 Toggle standby A05 Toggle standby B06 Standby A and B off07 Standby A and B onStandby B only applies to the AX50i and AX250i.Mute( 0
10 frequency error11 too many different period lengths12 IR function too long13 compressed IR function too long18 EEPROM comms error19 EEPROM erase er
Keypad Bank Assignment( 13 )upper 4 bits is the amplifier source and the lower 4 bits are the keypad bank. If the upper 4 bits are all set ( F ), the
• Weekdays (bit 0 = Sun, bit 1 = Mon, .., bit 6 = Sat). Bit 7 is set to deactivate auto activation.8 bytes for the zone selection: lower 32 bits (last
Request device log entry( 22 )3 - 5 bytes in request, 11 or more bytes in response when entry exists, 4 bytes when not.Request contains:• Device ID (2
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