The following diagram shows the naming convention of messages between MT2 and TE2.

TE2

Command (including AT)

Response (excluding AT)

MT2

TE2

Notification (excluding AT)

MT2

<TE2 sends command to MT2>

<MT2 sends notification message to TE2>

 

 

 

Signal (H/W)

 

 

 

TE2

MT2

 

 

Indication (message)

<MT2 sends H/W signalling to TE2>

Figure 1. Naming convention diagram

1.8.DTE-TA/DCE interface commands

Table 3. ITU-T V.250 commands relating to TE-TA interface

 

Command

 

 

Req

 

 

Description

 

 

Support

 

E<value>

 

 

Mand.

 

Command echo

 

 

supported

 

 

 

 

 

 

 

 

 

 

 

 

Q<value>

 

Mand.

 

Result code suppression

 

 

supported

 

 

 

 

 

 

 

 

 

 

 

 

S3

 

 

Mand.

 

Command line termination character

 

 

supported

 

S4

 

 

Mand.

 

Response formatting character

 

 

supported

 

 

 

 

 

 

 

 

 

 

 

 

S5

 

 

Mand.

 

Command line editing character

 

 

supported

 

 

 

 

 

 

 

 

 

 

 

 

V<value>

 

Mand.

DCE response format

 

 

supported

 

 

 

 

 

 

 

 

 

 

 

 

X<value>

 

 

Mand.

 

Result code selection and call progress monitoring control

 

supported

 

 

 

 

 

 

 

 

 

 

 

 

&C<value>

 

Mand.

Circuit 109 DCE RLSD (DCD) behavior

 

 

supported

 

 

 

 

 

 

 

 

 

 

 

 

&D<value>

 

Mand.

Circuit 108 DTE DTR behavior

 

 

supported

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fixed Rm Rate. This numeric extended-format parameter

 

supported

 

 

 

 

 

 

specifies the data rate at which the MT2 will accept

 

 

 

 

 

 

 

 

command set, in addition to 1200 bit/s or 9600 bit/s (as

 

 

 

 

 

 

 

 

required in EIA/TIA-602). It may be used to select operation

 

 

 

+IPR=<rate>

 

 

Opt.

 

at rates at which the MT2 is not capable of automatically

 

 

 

 

 

 

detecting the data rate being used by the TE2.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

115200bps. (Default)

 

 

 

 

 

 

 

 

 

+IPR? Displays current set value.

 

 

 

 

 

 

 

 

 

+IPR=? Displays range of (supported auto detectable rates),

 

 

 

 

 

 

 

 

(list of supported fixed-only rates). e.g. +IPR: (1200, 2400,

 

 

 

HSDPA Standard At Commands

Page 12 of 60

Version 1.2

 

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Maxon Telecom MM-6280IND manual DTE-TA/DCE interface commands, MT2 TE2, TE2 MT2

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