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CDM-570/570L Satellite Modem with Optional IP Module Revision 6Serial Remote ControlMN/CDM570L.IOMParameterTypeCommand(InstructionCode andQualifier)Arguments forCommand orResponse toQueryDescription of ArgumentsResponse toCommandQuery(InstructionCode andQualifier)Response to QueryRx Buffer Size RBS= 1 byte,value of 0through 9ExternalReferenceFrequencyG.703 ClockExtensionERF=1 byte, value of0 thru 5Command or Query.Rx buffer size, where:0 = Buffer disabled (Clock mode = Rx satellite)1 = +/- 1024 bits2 = +/- 2048 bits3 = +/- 4096 bits4 = +/- 8192 bits5 = +/- 16384 bits6 = +/- 32768 bits7 = +/- 128 bits8 = +/- 256 bits9 = +/- 512 bitsExample: RBS=0Command or Query.External Reference Frequency, where:0=Internal1=External 1 MHz2=External 2 MHz3=External 5 MHz4=External 10 MHz5=External 20 MHzExample: ERF=0 (External reference not used - uses internal)CEX 2 byte Command or Query.G.703 Clock Extension, where:a=G.703 Clock Extension Mode(0=None, 1=TxLock, 2=RxEnable)b=G.703 Clock Extension Interface(0=T1, 1=E1Bal, 2=E1Unbal)Example: CEX=12 (Sets Tx Lock to E1 Unbalanced)Notes:1. Not all CEX modes are valid all the time.2. For argument a:- When Data Interface (ITF) is set to be G.703, Clock ExtensionMode is automatically set to be 0=None. Reply: ITF+- When Tx Clock (TCK) is changed from Internal to Non-Internal,Clock Extension Mode will be automatically changed to 0=Noneif it was 1=TxLock.. Reply: TCK+RBS=RBS?RBS*RBS#ERF=ERF?ERF *ERF #CEX=CEX?CEX*CEX#RBS?RBS=x(same format as commandargument)ERF? ERF =x(see description ofarguments)CEX?CEX=ab(see description ofarguments)13–15