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Chapter 5 – AT Commands, S-Registers, and Result Codes
Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 69
Example Modem Response and Usage
Example #UD commend response are shown in Table 5-13.
Table 5-13. Completed Data Call, with some errors and rate retrain during the call
Modem Response Line Description
DIAG <2A4D3263 0=09> This is version 0.9
DIAG <2A4D3263 1=06 2=0 3=0> Data Answer signal detected; Data only;
Character async
DIAG <2A4D3263 5=”C14513902A” 6=”A145”> V.8 Call Menu indicates:
V.8 Joint Menu selects:
DIAG <2A4D3263 10=1F 11=0C 12=52> Receive level = -31 dBm; transmit level = -12
dBm; noise level = -82 dBm
DIAG <2A4D3263 14=03 15=05 16=10> Far end echo delay in milliseconds; Far end
echo loss in dB; Near end echo loss = 16 dB
DIAG <2A4D3263 20=C 22=780 24=0C80 26=79E0> Transmitter: V.34 training completed;
V.34 carrier frequency = 1920; V.34
symbol rate = 3200; initial transmit rate is
31200 bit/s
DIAG <2A4D3263 21=D 25=1F40 27=DAC0> Receiver: V.90 training completed; V.90
symbol rate = 8000; initial receive rate is
56000 bit/s
DIAG <2A4D3263 30=00 31=03 32=01 33=01> No carrier loss events, 3 carrier rate
renegotiations attempted; 1 carrier
retrain requested; 1 carrier retrain
granted
DIAG <2A4D3263 34=7080 35=CB20> Final transmit rate is 28800 bit/s; final
receive rate is 52000 bit/s
DIAG <2A4D3263 40=1 41=100> LAPM negotiation completed; frame size =
256
DIAG <2A4D3263 42=0 43=0> No error control timeout or link NAKs
DIAG <2A4D3263 44=1 45=400> V.42bis data compression used;
dictionary size = 1024
DIAG <2A4D3263 50=2 51=2> Hardware transmit and receive flow control
DIAG <2A4D3263 52=343CC 54=0> 213964 DTE characters transmitted, w/o
underrun
DIAG <2A4D3263 53=7230E6 55=47> 7483622 DTE characters received, 71
characters lost due to receive data overrun
DIAG <2A4D3263 56=29D 58=0001> 597 (decimal) frames transmitted, with 1
frame error
DIAG <2A4D3263 58=2A4B 59=0004> 10827 (decimal) frames received, with 4
frame errors
DIAG <2A4D3263 60=51> Local PC initiated hangup