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Inpro IDC Modems Diagnostics, Version 1.0.2.33
22.11.2004 22:28:09 - Manual Diagnostics Request
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Modem type: IDC-5614BXL/VR+ (Plus) Firmware revision: V2.25

Time Online.................. 00:18:26
Termination Reason........... LOCAL REQUEST
Tx Rate (Last/Init/Min/Max).. 28800/28800/28800/28800 bps
Rx Rate (Last/Init/Min/Max).. 52000/46667/46667/52000 bps
Modulation................... V.90
Protocol/Compression......... LAP-M/V.42bis
Line Quality................. 46
Tx/Power Drop/Rx Level....... 15/3/13
SNR Last/Min/Max............. 43/43/43
Highest Rx/Tx State.......... 67/87
EQM Sum...................... 00B6
RBS Pattern.................. 00
Rate Drop.................... 1
Digital Loss................. 2000
Retrains Issued/Granted/Auto. 0/0/0
Renegs Issued/Granted........ 3/0
FForwards/FBacks/Denied...... 3/0/0
Forced FB/FB after FF/MaxREJ. 0/0/2
Last dialed number........... T5640000
V90 9481834347EB

Negotiation Result (Rx/Tx)... V.90 Issue 1 (asymmetric)/V.34
Symbol Rate (Rx/Tx).......... 8000/3200
Carrier Frequency Hz, Tx..... 1829
EQM Value (Last/Min/Max)..... 46/14/127
EQM Hits..................... 0
EQM Last 10 Readings......... 52 47 51 50 45 46 48 45 49 45
Last Retrain/Reneg Status.... Local Fast Retrain
Last Retrain/Reneg Reason.... Local Fallforward due to Low EQM
Last Retrain/Reneg Time...... 18 minutes ago
Handshake Time/Retries....... 23 seconds/0
Non-linear Encoding, Rx/Tx... OFF/ON
Precoding, Rx/Tx............. OFF/ON
Shaping, Rx/Tx............... OFF/ON
Trellis Encoding, Tx......... 16 state
Pre-Emphasis Index, Tx....... 2
Band Edges Lower/Upper, Hz... 150/3825
Round trip delay, ms......... 7,6
Last Rx/Tx State............. 67/87
Energy at 3750Hz/Average .... 4646/1430
Auto Gain Amplitude, db...... 10
AGC Gain (Last/Min/Max)...... 105/105/105
Detection of 120 Hz Tones.... No
Detection of Dual PCM........ No
V.90 RBS Pattern............. 00
V.90 Alternating RBS Pattern. 00
V.90 Digital Pad Value, db... 0,0
V.90 Optimal Speed........... 50667 bps (Reg.S120=1
V.8 Negotiation Started...... Yes
V.8bis Success............... Yes
V.8bis CRe,CRd,CL,MS,ACK,NAK. Yes/No/Yes/No/Yes/No
Remote Manufacturer.......... Rockwell (Conexant)
Remote Licensee Code......... Rockwell (Conexant)
Remote Protocol Support...... K56flex V.90
Remote K56flex Version....... 03
Remote K56flex Capabilities.. Prototype mode is not supported
Remote Type.................. Server (Digital)
Remote supports Symbol Rates. 2743 2800 3429 3000(L) 3000(H)
Remote supports Symbol Rates. 3200(L) 3200(H) 3429(Tx)
Remote supports Power Drop... Yes
Remote is CME Modem.......... No
Remote supports V.34bis...... Yes
Remote Max SR Difference..... 0 Symbol Rate Steps
Remote Frequency Source...... Unknown
Error Correction Status Byte. SYNC UA:R SAMBE:T XID:T XID:R
Frames REJected, Last/Total.. 1/25
Frames Errors, Rx/Tx......... 25/0 (0,3%/0,0%)
Frames Count, Rx/Tx.......... 7184/2545
Error Control Frame Size..... V.42 LAPM (128)
Error Control Timeouts....... 4
Error Control Link NAKs...... 0
Compression Dictionary Size.. V.42bis (2048)
Characters Received.......... 1 031 897
Characters Sent.............. 164 500
Average CPS, Rx/Tx........... 932/148
Characters Lost, Rx/Tx....... 0/0
Estimated Noise Level, -dBm.. 56

[Technical Support]

А на что Вы жалуетесь? Модем установил соединение на скорости 46667 бит/с и затем в течении короткого времени (несколько десятков секунд) поднял её до оптимальных 52000 бит/с:

Time Online.................. 00:18:26
Rx Rate (Last/Init/Min/Max).. 52000/46667/46667/52000 bps
Last Retrain/Reneg Reason.... Local Fallforward due to Low EQM
Last Retrain/Reneg Time...... 18 minutes ago

В общем-то, если сеансы связи достаточно продолжительные, то небольшая задержка в начале сеанса практически никак не влияет на результат. Если же иногда Вы проводите короткие сеансы связи (3 минуты и меньше), то пропишите такую строку инициализации:

S91=18 S210.7=1 S17=48
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Inpro
Technical Support