TRENDnet TFM-560PCI Manual - Page 29

A2.2.4.3 %E, Enable/Disable Line Quality Monitor, Auto-Retrain, and Auto-Rate Renegotia, A2.2.5 Data

Page 29 highlights

I101 V.90 PCI MODEM USER'S MANUAL Reporting Current or Selected Values Command: +MR? Response: +MR: Reporting Supported Range of Parameter Values Command: +MR=? Response: +MR: (range) A2.2.4.3 %E[] - Enable/Disable Line Quality Monitor, Auto-Retrain, and Auto-Rate Renegotiation This command controls whether or not the modem will automatically monitor the line quality and request a retrain (%E1) or a rate renegotiation when line quality merits a change. If enabled, the modem attempts to retrain for a maximum of 30 seconds. Defined Values A decimal number corresponding to the selected option: 0 = Disable line quality monitor, auto-retrain, and auto-rate renegotiation. 1 = Enable line quality monitor, auto-retrain, and auto-rate renegotiation. (Default.) A2.2.5 Data Compression Commands This section contains parameters to condition modem use of standard ITU-T V.42 bis Data Compression Proce- dures. A2.2.5.1 +DS=[[,[,[,]]]] - Data Compression This extended-format compound parameter controls the V.42bis data compression function if provided in the modem. It accepts four numeric subparameters: Defined Values Specifies the desired direction(s) of operation of the data compression function; from the DTE point of view. 0 = Negotiated; no compression (V.42bis P0=0). 3 = both directions, accept any direction (V.42bis P0=11). (Default.) Specifies whether or not the modem should continue to operate if the desired result is not ob- tained. 0 = Do not disconnect if V.42bis is not negotiated by the remote modem as specified in . Specifies the maximum number of dictionary entries (2048 entries) which should be negotiated (may be used by the DTE to limit the codeword size transmitted, based on its knowledge of the nature of the data to be transmitted). Specifies the maximum string length (32 bytes) to be negotiated (V.42bis P2). Reporting Current or Selected Values Command: +DS? Response: +DS: ,,, P.29 44

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44

I101 V.90 PCI MODEM USER'S MANUAL
44
P.29
Reporting Current or Selected Values
Command: +MR?
Response: +MR: <current value>
Reporting Supported Range of Parameter Values
Command: +MR=?
Response: +MR: (<value>range)
A2.2.4.3 %E
[<value>]
- Enable/Disable Line Quality Monitor, Auto-Retrain, and Auto-Rate Renegotia-
tion
This command controls whether or not the modem will automatically monitor the line quality and request a retrain
(%E1) or a rate renegotiation when line quality merits a change. If enabled, the modem attempts to retrain for a
maximum of 30 seconds.
Defined Values
<value> A decimal number corresponding to the selected option:
0
= Disable line quality monitor, auto-retrain, and auto-rate renegotiation.
1
= Enable line quality monitor, auto-retrain, and auto-rate renegotiation. (Default.)
A2.2.5 Data Compression Commands
This section contains parameters to condition modem use of standard ITU-T V.42 bis Data Compression Proce-
dures.
A2.2.5.1 +DS
=[<direction>[,<compr_neg>[,<max_dict>[,<max_string>]]]]
- Data Compression
This extended-format compound parameter controls the V.42bis data compression function if provided in the
modem. It accepts four numeric subparameters:
Defined Values
<direction> Specifies the desired direction(s) of operation of the data compression function; from the DTE point
of view.
0
= Negotiated; no compression (V.42bis P0=0).
3
= both directions, accept any direction (V.42bis P0=11). (Default.)
<compr_neg> Specifies whether or not the modem should continue to operate if the desired result is not ob-
tained.
0
= Do not disconnect if V.42bis is not negotiated by the remote modem as specified in <direction>.
<max_dict> Specifies the maximum number of dictionary entries (2048 entries) which should be negotiated
(may be used by the DTE to limit the codeword size transmitted, based on its knowledge of the nature of
the data to be transmitted).
<max_string> Specifies the maximum string length (32 bytes) to be negotiated (V.42bis P2).
Reporting Current or Selected Values
Command: +DS?
Response: +DS: <direction>,<compr_neg>,<max_dict>,<max_string>