User`s guide

14(14)
Datum/Date Rev
Dokumentnr/DocumentnrUppgjord/Prepared
Dokansv/Godkänd - Doc respons/Approved Kontr/Checked Tillhör/Referens-File/Reference
99-07-15 F
361/155 34-ASB 150 02 Uen
FACILITY DESCRIPTION
Faktaansvarig - Subject responsible
BTU-E / 2:
1 Set the line signal-scheme via
command 1201.
All line signal-schemes are supported.
2 2- or 4-wire speech-connection has to be
adjusted via command 1609.
Only the following setting supports
4-wire speech connection: “ 116 “
All the other support 2-wire speech
connection.
HINT: If you program command 1609 for
4-wire speech connection, you
HAVE TO set the line signal-
scheme once again !
BTU-C - DC-Loop Tie Lines
The BTU-C is available in two versions.
The Version /2 of the BTU-C provides 4 DC-loop tie
lines.
In Australia Version /1 can only be used as a trunk
board and cannot be used as a tie-line board.
Registers for DTMF, MFC or MFE signalling.
To use the register function as a common system
resource for all trunklines, one of the following boards
has to be avaialble in the system
REG , BTU-D, VMU-HD or MFU
The number of available registers depends on the load
of the digital signal processors (DSP), see board
description in the document SYSTEM DESCRIPTION
ASB 150 02, document 1551-ASB 150 02 Uen.