Philips LBB 1330, Instructions For Use Manual

Page: 131 / 140

6. REMOTE PROGRAMMING 1/O PROTOCOL
6-11
6
6.2.16 Store programming data in SM40 - Store user programming in SM40
String to precede the data-stream:
STX-D-M-P-ETX
After reception of this string, the SM4 system will switch off all audio and stations and go down.
To indicate to the host that data transmission can start, the SM40 responds with:
STX-R-D-Y-ETX
The host has to wait with transmission until this string is received.
SM40 expects the first 4 bytes to contain the number of bytes and the checksum.
After end of transmission SM40 responds with:
If the checksum was correct:
STX-T-O-K-ETX
If a checksum error was detected:
STX-T-E-R-ETX
6.2.17 Read all parameters form SM40 - Read installer programming from SM40
String to be sent:
STX-G-S-P-ETX
After reception of this string, SM40 will transmit:
a: configuration of the call stations
b: configuration of the signal generators
c: configuration of the message sources
d: statusbytes of all cards
After reception of this string, the SM40 system will switch off all audio and stations and go down.
The data-stream is preceded by 4 bytes.
Two bytes indicating the total number of bytes, including the first 4.
Two bytes containing the checksum of the data that will follow.
6.2.18 Store parameters in SM40 - Store installer programming from SM40
String to precede the data-stream:
STX-D-S-P-ETX
After reception of this string, SM40 expects the first 4 bytes to contain the number of bytes and the
checksum.
After reception of this string, the SM40 system will switch off all audio and stations and go down.
To indicate to the host that data transmission can start, the SM40 responds with:
STX-R-D-Y-ETX
The host has to wait with transmission until this string is received.
SM40 expects the first 4 bytes to contain the number of bytes and the checksum.
After end of transmission SM40 responds with:
If the checksum was correct:
STX-T-O-K-ETX
If a checksum error was detected:
STX-T-E-R-ETX