MTCMR-C1-GP-N3 Multi-Tech Systems, MTCMR-C1-GP-N3 Datasheet - Page 28

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

Specifications of MTCMR-C1-GP-N3

• Function: Transceiver, CDMA, Modem
• Modulation Or Protocol: CDMA2000
• Frequency: 800MHz, 1.9GHz, 1575.42MHz
• Applications: Verizon™ Networks (USA)
• Interface: RS-232, USB
• Sensitivity: -161dB
• 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: 881-1097

Set DTR Signal &D
Description:
Syntax:
Values:
Set DSR Signal &S
Description:
Syntax:
Values:
Multi-Tech Systems, Inc. CDMA C1 AT Commands Reference Guide (PN S000478C)
This command controls the interpretation of the Data Terminal Ready (DTR) signal on the modem
DATA port. The factory default value is 2. The AT&F command restores the value to the factory
default.
Command syntax: AT&D<n>
<n>
This commands controls the Data Set Ready (DSR) signal on the modem DATA port. The default
value is 0. The AT&F command restores the value to the factory default setting.
Command syntax: AT&S<n>
<n>
Command
AT&D0
Note: The DTR signal is ignored
AT&D1
Note: Enter online command state following ON-to-OFF
transition of circuit 108/2
AT&D2
Note: Enter command state following ON-to-OFF
transition of circuit 108/2
Command
AT&S0
Note: The DSR signal always on.
AT&S1
Note: The DSR signal is always off.
0
1
2
0
1
The DTR signal is ignored.
Enter online command state following ON-to-OFF transition of circuit 108/2. Data call
remains active.
Enter AT command state following ON-to-OFF transition of circuit 108/2. Data call is
terminated. Note: All open sockets are automatically closed prior to terminating the data
call.
The DSR signal is always on. (Default)
The DSR signal is always off.
Possible Responses
OK
Note: Command valid
OK
Note: Command valid
Chapter 8 – Communication Commands
Possible Responses
OK
Note: Command valid
OK
Note: Command valid
OK
Note: Command valid
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