ETIC MR1200, User Manual

Page: 34 / 39

Operation
Page 34 ETIC - MR1200 - USER MANUAL - 908709-02
Terminal commands Modem responses
### < Erroneous command > INV Command invalid
PRP ppp ; vv...v Programme parameter ppp
with value vv...v
VAL Command accepted
RLP ppp Read parameter ppp LSP ppp ; vv...v Indicates the value vv...v of
parameter ppp
CRN aaa Transmit command
( aaa = address of modem
receiving the data)
DLC xx Call delayed xx seconds
CFIAB Radio channel occupied
CNX Start of radio transmission
CRN aaa/ss...s Transmit command with a
particular CCIR/ZVEI call
sequence
( aaa = address of modem
receiving the data, ss...s = call
sequence)
DLC xx Call delayed xx seconds
CFIAB Radio channel occupied
CFIRT No response from relay
CNX Access to channel obtained
(Start of radio transmission)
CRN /ss...s CCIR/ZVEI call sequence
transmit command
( ss...s = call sequence)
CNX Transmission of sequence
terminated
<Modem at rest> INC Detection of a radio
transmission addressed to the
modem
RES0 Reinitialise terminal-modem
dialogue
VAL Reinitialisation carried out
RES1 Reinitialise modem with
default parameters VAL Reinitialisation carried out
Remarks :
•
The symbols p or a represent ASCII numbers,
•
The value vv...v of a parameter is given in the form of an ASCII chain ; coding depends on the
parameter,
• All terminal commands must comprise ASCII characters and end with a control code [Cr]
(Carriage Return), or with the [Cr-Lf] (Carriage Line Feed) combination. The modem
terminates its replies with [Cr-Lf],
•
A sequence of the form ss...s transmitted as part of a CRN command tells the modem which
particular radio channel access protocol to use, as well as to activate CCIR/ZVEI tone encoder
(the CCIR or ZVEI standard is selected with
st_num parameter).
Refer to § 4.4 for the use of this command.