MTCMR-C1-N3 Multi-Tech Systems, MTCMR-C1-N3 Datasheet - Page 29

• Manufacturer Part Number: MTCMR-C1-N3
• Description: MODEM CELLULAR DUAL CDMA
• Manufacturer: Multi-Tech Systems
• Series: MultiModem® iCellr

Specifications of MTCMR-C1-N3

• Function: Transceiver, CDMA, Modem
• Modulation Or Protocol: CDMA2000
• Frequency: 800MHz, 1.9GHz
• Applications: Verizon™ Networks (USA)
• Interface: RS-232, USB
• Data Rate - Maximum: 153.6kbps
• Voltage - Supply: 9 V ~ 32 V, USB
• Package / Case: Module
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 881-1100

V.42bis Data Compression +DS
Description:
Syntax:
Values:
Multi-Tech Systems, Inc. CDMA C1 AT Commands Reference Guide (PN S000478C)
This command enables or disables V.42bis data compression if this feature is provided on the
PSTN in the IWF.
Command syntax: AT+DS=<dir>,<neg>,<P1>,<P2>
Four numeric sub-parameters are accepted:
<dir>
<neg> Specifies whether or not the DCE should continue to operate if the desired result is not
<P1>
<P2>
Command
AT+DS=3,0,4096,250
Note: Set new parameters
AT+DS?
Note: Current values
Specifies the desired direction(s) of operation of the data compression function; from the
DTE point of view.
Default is 3.
0
1
2
3
obtained.
Default is 0
0
1
512-4096
negotiated.
Default is 4096.
6-250
Default is 250.
Negotiated … no compression
Transmit only
Receive only
Both directions, accept any direction
Do not disconnect if V.42 bis is not negotiated by the remote DCE as specified in
<dir>
Disconnect if V.42 bis is not negotiated by the remote DCE as specified in <dir>
Specifies the maximum string length to be negotiated.
Specifies the maximum number of dictionary entries that should be
Possible Responses
OK
Note: Command valid
+DS: 3,0,4096,250
OK
Note: Command valid
Chapter 8 – Communication Commands
29