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Integrator's Reference Manual for Polycom HDX ... - 1 PC Network Inc

Integrator's Reference Manual for Polycom HDX ... - 1 PC Network Inc

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Integrator’s <strong>Reference</strong> <strong>Manual</strong> <strong>for</strong> <strong>Polycom</strong> <strong>HDX</strong> SystemsRemote ControlThis section provides in<strong>for</strong>mation about the IR signals <strong>for</strong> <strong>Polycom</strong> <strong>HDX</strong>systems.This in<strong>for</strong>mation is provided <strong>for</strong> reference only. <strong>Polycom</strong> claims no responsibility or liability <strong>for</strong>programmed third-party remote control devices.Notes• Wake up – 2.6ms on 2.6ms off• 0 –559us (22 pulses@38KHz) on 845us (33 pulses@38KHz) off• 1 – 845us (33 pulses@38KHz) on 1192us (46 pulses@38KHz) off• EOM – 559us (22 pulses@38KHz) on• System Code consists of a User ID field (upper nibble) and the <strong>Polycom</strong>Vender Code (lower nibble) with value 0x5. The default User ID value is0x3, so the default System Code value is 00110101 or 0x35• Parity is a 2-bit field consisting of a "parity" bit (b1) and a "toggle" bit (b0).Parity is even.• Inter-burst timing is 2200 pulse times @38.062KHz or 57.8ms• 38.062KHz signal is at 1/3 duty cycle to LED• Multi-bit fields are transmitted most significant bit first• Bits are labeled b0..bn, where b0 is the least significant bitProtocol is: + + + + Key Name Key Code Key Code Parity# 1100 0CH Even* 1011 0BH Odd0 110000 30H Even1 110001 31H Odd2 110010 32H Odd3 110011 33H Even4 110100 34H Odd5 110101 35H Even6 110110 36H EvenD - 4

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