User's Manual

Interface Specification Document Rev. -
Cellular Radio Module CRM4250/4200
Company Confidential
Standard Communications Corp. -22- November 20, 2000
97H Command Handoff complete
This message is originated by the radio after a frequency change when
communication with the base station has been successfully established.
Direction: Radio to host
Syntax: | SOF | LEN | 97H | FCS |
ACK required: YES
98H Command Call terminated (loss of signal).
This message is originated by the radio whenever an established call is terminated by
the radio due to loss of signal from the base station for more than 5 seconds.
Direction: Radio to host
Syntax: | SOF | LEN | 98H | FCS |
ACK required: YES
99H Command Volume Control
This command is used to adjust the Radio Volume (amplitude) on output pins of the
JL01 Host Interface Connector. If CRM4250/4200 is in AMPS DATA mode, then
this command will change the Amplitude of PIN 4 (LINE A). If the Radio mode is
any other setting it will change the Amplitude of PIN 3 (SPKR OUT).
Direction: Radio to host
Mode: All
Syntax: | SOF | LEN | 99H | aa | FCS |
Where: aa = Range 00h - 0Fh ( 0Fh is Max. Value)
ACK required: YES