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For more information: see Hardware configuration Manual and Maintenance Manual, part 3:
Board Interfaces and Strap Settings.
A number of important points should be remembered when making a connection between
DTEs connected to DLCs:
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A DTE can be connected to the DLCs as listed earlier.
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The DLC to which the DTE is connected must be allocated a DNR. In the case of a
SOPHO-SET, two DNRs must be allocated, one for the voice port and one for the data
port.
-
The destination DNR must be included in the appropriate dialling tree of the calling party.
-
The traffic class of the calling party must at least have the same traffic class as the
destination number indicated in the dialling tree.
-
The IBSC 00=`64 kbps unrestricted' should be allocated to the data DNR.
-
The BSPT 00=`64 kbps unrestricted' (or another data BSPT) should be allocated to the
data DNR.
-
The IBSC 14=`SOPHO speech' should be allocated to the voice DNR of a SOPHO-SET.
-
The BSPT 14=`SOPHO speech' (or another voice BSPT) should be allocated to the voice
DNR of a SOPHO-SET.
-
The data port of the SOPHO-SET, SOPHO-LAM or LAM used in the connection must be
correctly programmed. Both sides of the connection must be compatible.
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The CV of the data DNR must be created as data (CRCVAL or CHCVAL) and assigned to
the DNR (CHAGCV). For a SOPHO-SET the CV for the voice DNR must be assigned as
voice.
-
The CV of a data DNR can be used to download the data port parameters of the SOPHO-
SET, SOPHO-LAM or LAM. If this is required then the data port parameters are
downloaded to the DNR using DOWNLD.
-
The compatibility value connection allowance between the CV of the calling and the CV
of the called party must be set to allowed (CHCVCA). For more information: see
Appendix A.
-
No facility class mark inhibits the connection.
-
Facility class mark FCM 12=`SOPHO-SET' must be allocated to the DNR of the DTE. For
a SOPHO-SET this must be done for both the voice and data DNRs. This indicates that
the ISPBX must send call progress information (for instance ringing, answered, called by,
call diversion address etc.), LED activation/de-activation signals and display information to
the SOPHO-SET, SOPHO-LAM or LAM. Call progress information is used, for example,
on the display of the SOPHO-SET, SOPHO-LAM or on the screen of the DTE.
2.3.
DATA PORT
The data port of the SOPHO-SET, SOPHO-LAM or LAM acts as the interface between the
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