PXML No. BABT/PXML/3 SCR.0025/26
APPROVAL No.
The BT Septara is a key telephone system with a maximum capacity of 12 exchange lines and 32
terminals or 16 exchange lines, 48 terminals and 28 links (of which 16 are
reserved for exchange lines, 9 for intercom calls and 3 for paging &
background music). It consists of a wall mounted central
control unit (which uses a Z80 microprocessor), box connection and power supply unit. A TX29
featurephone is available incorporating handsfree facility and LED display. Also available
is a Direct Station Select console TX20 for use with
the TX29; these are connected via an Extension Card lA.
A telephone TX27 may be connected to the system via an Extension Card 1A. The featurephone
TX28 has been discontinued but will will be found on some early installations.
Made by BTCE Cwmcarn and Tie International, Toronto
APPROVAL STATUS
Approved for direct connection to the PSTN loop disconnect signalling (or MF signalling
using the Tone Card 1B) or by working as a (List A) subsidiary system (loop disconnect or
MF signalling) connected to a (List C) PBX.
SOFTWARE
The following 9 software levels are approved for use with Septara:-
BR2002, BR2004, BR2020, HR3002, BR3003, BR3020, BR4001, BR4002 and BR4020.
BT is currently using BR3002 and BR3020.
The software is provided on 10 EPROM's on the Processor Card and are labelled U4-U11, U23
and U59.
PARTS DESCRIPTION BT ITEM CODE Line Jack Unit 2/3C 870127 Merlin S6022 Cord Connecting 4/518 (Handset Cord) 374939 Merlin S6022 Cord Connecting 4/517 (Line Cord) 374940 Cabinet 30A (12+32) 375141 Power Unit 199A 375142 Power Fail Unit lA 375143 DSS Console TX20 375145 Featurephone TX28 375147 Featurephone TX29 375148 Bracket 46A 375149 Tone Card lA (or 1H see note) 375151 Tone Card 1B 375510 MF4 Receiver Card 375150 Extension Card lA 375152 Real Time Clock lA 375153 Processor Card lA 375154 Line Card lA 375155 Cabinet 31A (16+48) 375156 Power Unit 200A 375157 Cable Connection 9/D96552 979188 Power Fail Unit 2A 375189 Extension Card 2A 375229 Telephone TX27 375231 Box Connection 370B 877138 FUSES PSU - 1.25" x 0.25" SA time delay 36A/5 310812 KSU(12+32) 1.25" x 0.25" 8A fast acting 36/8 665456 KSU(16+48) 1.25" x 0.25" 15A fast acting 36/15 665458 PCB FUSE LINKS Line Card - 0.75 A 125V Picofuse 665461 Extension Card - 2.0 A 125V Picofuse 665464 Tone Card - 0.5 A 125V Picofuse 665460 Tone Card - 1.5 A 125V Picofuse 665463 Processor Card - 1.0 A 125V Picofuse 665462 Processor Card - 4.0 A 125V Picofuse 665465
ADDITIONAL INFORMATION
The HEADSET 9A is approved for use with Septara.
BATTERIES
The Processor card 1A and Real time clock card 1A each have a NICAD battery on them with a
life of 6 years.
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Last revised: April 22, 2006
FM
