IPE2500A and IPE2500A-MLS Paging Encoder/Desktop Controller
Operation
35
03/12
Frequency Changing
Frequency changing allows the PC to direct the IPE2500A to change the current transmit frequency to a
newly specified transmit frequency such as F12.
Byte Value
Description
0 5
‘5’ (0x35): Always for Frequency Change
1
Y1
First ASCII digit of frequency number to select (most significant digit)
2
Y2
Second ASCII digit of frequency number to select (least significant digit)
3–9 X
Don’t
care/Unused
Example:
To change the current frequency to F12:
PC to IPE2500A:
‘^’, <CR>
IPE2500A to PC:
‘0’, ‘1’, ‘8’ (Response)
PC to IPE2500A:
‘5’, ‘1’, ‘2’, ‘~’ (Frequency changed to F12)
IPE2500A to PC:
‘~’ (Acknowledge that frequency change is complete)
Custom Tones
Custom tones allow the PC to direct the IPE2500A to initiate a transmission and generate a specified tone
frequency. The unit remains keyed to allow additional tones to be generated until the PC directs the
IPE2500A to cease transmission.
Byte Value Description
0 4
‘4’ (0x34): Always for Custom Tones
1
0 or 1 ‘0’ (0x30):
Cease Transmission
‘1’ (0x31):
Initiate Transmission (must remain ‘1’on subsequent tone generations)
2–3
MSW Most significant word of ASCII frequency in hex
4–5
LSW
Least significant word of ASCII frequency in hex
6–9
X
Don’t care/Unused
Содержание IPE2500A
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Страница 77: ...IPE2500A and IPE2500A MLS Paging Encoder Desktop Controller Schematics 71 Tone RC Desk Set DSP Block Sheet 4...
Страница 79: ...IPE2500A and IPE2500A MLS Paging Encoder Desktop Controller Schematics 73 Tone RC Desk Set Power Supply Sheet 6...
Страница 80: ...Schematics IPE2500A and IPE2500A MLS Paging Encoder Desktop Controller 74 Schematic Sheet 7...
Страница 81: ...IPE2500A and IPE2500A MLS Paging Encoder Desktop Controller Schematics 75 Schematic Sheet 8 DPS PCBA...
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