Mitel Technical Specification 22

MiNET Specification
03 Voice analog loopback request Analog loopback established
04 Dataset data loopback Dataset loopback established
05 Local DTE loopback Local DTE loopback signal asserted
06 Bphone test request Bphone test pass/fail
07 Hardware revision request Return one-octet revision
08 Software revision request Return one-octet revision
09 RAM-based checksum prompt status Not initiated by system
0A Remote DTE loopback Remote DTE loopback signal asserted
0B Transducer register contents Return register contents
0C RAM-based character checksum status Not initiated by system
0D Boot firmware revision request BOOT firmware revision level: format and response
same as Send Maintenance Data (0xC6), MTR-08
The dataset data loopback is formed between the dataset's output to the attached DTE and the input from
the attached DTE (i.e. the dataset output stream replaces the input stream from the DTE).
The local DTE loopback is accomplished by the dataset signalling a DTE loopback request via an
appropriate interface control lead. If supported in the DTE, the data stream from the dataset to the DTE will
be reflected back to the dataset via an internal loopback in the DTE.
Note - In some cases, the system may also need to wait for an appropriate indication from the DTE prior
to commencing transmission of test data.
The suite of tests available to the system is dependent on the nature of the terminal. For
example, data loopback tests have no meaning for a telephone set.
4.2.1.4 Request Set Reset (C7)
The format of this command shall be as shown in Figure 7/MTS22-C.
This command shall be used by the system to direct a reset of a terminal. The terminal's behaviour shall be
equivalent to powerup.
MT Octet 1
Figure 7/MTS22-C
Request Set Reset command format
Note - When directed to a telephone set, this command and the resulting behaviour of the set shall not
affect any peripherals which may be attached to the set's MiLINK port.
A telephone set will take on the following default configuration following power up,
reset, loss of DNIC synchronization, or receipt of a Request Set Reset command:
- DTMF tones OFF for consoles, ON for others;
- all output transducers OFF;
- all delay updates cleared;
- buffer number 1 mapped to the screen;
- cursor locations set at (1,1);
- cursors OFF; and
- B1 channel to be used.
The following set functions will be in an unknown state (i.e. may be temporarily used by the set for a
special purpose, such as an indication of power up state):
- line LCDs;
- LEDs;
Mitel Restricted MTS22 (Version B05) 3:12 PM 30/12/10Page 20 of 173