GatesAir PTR-255 Program Audio Codec Module
Intraplex Products Issue 2.1, February 2006
A.2 S Codes
S codes appear in response to an ISiCL STATUS? query. There is one active S code for the PTR-
255, as defined in Table A-2. S05 is used to display the software version but S02, S03 and S04
are not used.
Table A-2
PTR-255 Remote Status Messages (S Codes)
When present, indicates hardware failure.
Receive sync indicator.
0 = Audio receiver not in sync
1 = Audio receiver in sync
Configuration error.
0 = Normal
1 = Configuration error detected (module will not operate)
Backplane clock frequency.
0 = 1.544 MHz clock detected (normal in an T1, VRM or ISDN
multiplexer)
1 = 2.048 MHz clock detected (normal in an E1 multiplexer)
Transmit lock indicator.
0 = Transmitter not sending data
1 = Transmitter sending data
Displays the Software Version