The Parameter Field "Call Progress Tones Conf; The Parameter Field "Dchannel Configuration; The Parameter Field "Line Code; The Parameter Field "T1 Framing Method - OPTICOM OPERA E1-T1 User Manual

C H A P T E R 3 : S E T U P O F T H E E 1 / T 1 B O A R D P A R A M E T E R S

3.2.4 The Parameter Field "Call Progress Tones Conf."

Selects the call progress tones configurations file. If no call progress tones
are to be used the correct entry is "No call progress support".

3.2.5 The Parameter Field "DChannel Configuration"

The D-channel configuration can be set to Primary, NFAS or Backup.

3.2.6 The Parameter Field "Line Code"

Specifies the line code type. Select AMI or HDB3 for E1 protocols and AMI
or B8ZS for a T1 network.

3.2.7 The Parameter Field "T1 Framing Method"

This parameter is applicable for T1 protocol types only. It is used to select
"Super Frame (D4)" (12 frames multi-frame - SF) or "Extended Super Frame"
(24 frames multi-frame - ESF) for T1.

3.2.8 The Parameter Field "CAS ABCD Idle Pattern"

When defining the Idle Pattern, you may choose between an entry in the list
field of the controls or you may enter a value in the control's edit field.
Please note, that the entered value needs to be a hexadecimal number. You
may enter the value including the prefix "0x" or without it. In both cases
your entry will be interpreted as a hex value. Valid entries are in the range
between 0x0 - 0xf.
For example, if you want to specify a pattern ABCD=1010, you have to
enter the corresponding hex value which is 0xa.

3.2.9 The Parameter Field "Coding Law"

This control selects the coding law that is used on the PC internal TDM bus.
Available values are Mu-Law and A-Law. The coding law must match the
coding law of the speech file that is send through a system under test. Please
note, that this parameter does not refer to the telephone line coding law.

3.2.10 The Parameter Field "Line Build Out "

The Line Build Out Loss parameter can be set to 0 dB, -7.5 dB, -15 dB, or -
22.5 dB. This parameter is disabled in the case of E1 protocols.
The Overwrite parameter may be switched on by by enabling the checkbox.
Then, you may define the values for the 3 Pulse Mask (XPM) registers. Please
note, that these values have to be entered in hexadecimal data format only.
As in the CAS ABCD Idle Pattern field, you may enter the value including
the prefix "0x" or without it. In both cases your entry will be interpreted as a
hex value. The Overwrite parameter is applicable to E1 and T1 protocols.
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