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Telstra Commander@ E1 05/208+ Installation and Maintenance Manual DOC - E+ - IM 546/261 (ISSUE 1)
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COPYRIGHT 1995 Telstra Technologies Pty Ltd Telstra Technologies Pty Ltd, is a Standards Australia Quality Endorsed Company. This work is copyright. All rights reserved. Other than for purposes and subject to conditions prescribed under the Copyright Act, no part of it may in any form or by any means (electric, mechanical, microcopying, photocopying, recording or otherwise) be reproduced, stored in a retrieval system or transmitted without prior permission from Telstra Technologies Pty Ltd.
Chapter One - Introduction to the Commander E105/208+ System Introduction ..........................l - l General Description ......................... Keystations ........................Power and Termination Unit .................... Power-fail ........................Door Station ........................System Features ........................Keystations ........................Visual Indications ......................Programmable Facilities ....................
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Chapter Three - Keystations 3 - 1 Introduction ..........................3 - 1 General Description ......................... Keystation Main Board ....................Hold and Ring Detect Board ................... 3 - 2 Keypad Assembly ......................Circuit Blocks .......................... Microcomputer Unit Circuit (MCU Circuit) ..............3-3 Power Supply .........................
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Chapter Five - System Programming Introduction ..........................General Description ......................... Programming Hardware Locations ................... DIP Switches ........................General Programming Procedure ....................Keystation Intercom Address ..................Master Page-In ....................... Keystation Access Class ....................Ring Line 1 ........................5-7 Auto Pause Insert ......................5-7 Music-On-Hold ......................
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System Memory Back-Up ....................* PABX Recall ....................... * Paging .......................... Do Not Disturb ....................... Intercom Signal or Voice Call ..................Intercom Answering ......................On-Hook Dialling ......................* Exchange Line Conference ................... * Background Music ......................6-6 Centel Features ......................Maintenance ..........................
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System Block Diagram ....................IL02 - PTU ..........................IL03 - PTB-E Circuit Block Diagram ..................IL04 - OFB-E Circuit Block Diagram ..................IL05 - E 105+ and E208+ Keystation ..................IL06 - Keystation Circuit Block Diagram .................. IL07 - System Order Form....................... IL08 - Limitations To Wall Mounting ..................
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IL26 - Program - Ring On Line 1 ....................IL27 - Program - No Ring On Line 2 ..................IL28 - Program - DTMF Dialling ....................IL29 - Program - Auto Pause Insert..................IL30 - Music-On-Hold Links ....................IL3 1 - Program - Internal, External, and No Music-On-Hold ............ 5-9 IL32 - External Music-On-Hold Setting on OFB ...............
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4 - l Table 1 - Bus Cabling ......................Table 2 - Keystation Bus Cabling Terminations ..............4 - 15 ..................Table 3 - Door Station Terminations Table 4 - Keystation Voltages ....................Table 5 - Self Test Key Sequence and LED Responses ............4- 19 5 - 2 Table 6 - DIP Switch 2 Keystation Options..
The purpose of the Commander E 105/208+ Manual is to provide you, as Telstra Technical Staff, with a complete set of clear and concise installation and maintenance procedures. It should be used when installing a Commander E 105+ or E208+ system to ensure the process is completed correctly, safely and easily.
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Chapter Six Functional This chapter explains the tests required to verify that the Commander Tests and Maintenance also explains how to maintain the system after a fault has occurred during testing or normal daily operation. Appendix A System This Appendix provides a list of all Commander E 105/208+ system Characteristics limits and specifications.
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The symbols and typographic conventions used throughout this manual are as follows. Bullets iternise information and procedures. Bold type indicates chapter, section and sub-section headings- for example, ‘Manual Conventions’. Bold type also indicates illustration names- ‘System Block Diagram’. for example, Illustration numbers appear below the illustration name- for example, System Block Diagram...
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Chapter One Introduction to the Commander El 05/208+ System...
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Introduction ...................... l - l General Description .................... 1-l Keystations ........................Program and Data Storage ..................System Communications ..................DIP Switches ......................System Master Keystation ..................Power and Termination Unit ....................
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outgoing calls ........................ Access Barring ...................... Automatic Pause Insertion on PABX Lines ............. l-7 Decadic to Tone Signalling ..................Direct Exchange Line Access ................. Last Number Redial ....................Live Key Working ....................On-Hook Dialling/Monitor ..................Station Abbreviated Dialling ................... Internal Calls ........................Alternative Point Answering ...................
Refer to Illustration 1 - System Block Diagram. A single-chip microcomputer in each keystation controls all operational Kevstations facilities of the Commander E105/208+ system. An in-built speaker provides keystation tones. A RISC microcomputer controls all keypad functions. Program and Data The station microcomputer’s program and data are stored in 8K words...
From a user’s viewpoint, the operation of a system master keystation is identical to that of a standard keystation. Power and Termination The other major component of the Commander E105/208+ system is Unit the Power and Termination Unit (PTU). This compact unit houses the Power and Terminating Board (PTB-E) and Optional Facilities Board (OFB-E).
Power and Terminating The PTB-E provides output terminals for the bus and input terminals for: Board (PTB-E) a maximum of two exchange or PABX lines plug-pack power supply telecommunications reference conductor (if required) power-fail telephone external music source. This board also supplies system power supply regulation and the system power-fail relay, as well as exchange line electrical protection.
System Features Keystations Four types of stations are associated with the Commander E 105/208+ system: E105+ Master Keystation Contains the hold and ring detection circuitry.for the E105-t System. system. Door Station For use on both E105+ and E208+ systems. Both Commander E 105+ and Commander E208+ Master NOTE: Keystations have keys provided for 2 exchange lines.
Incoming Calls Audible Signalling Distinctive ring tones from the keystation loudspeaker signal incoming exchange line, intercom and hold recall calls. NOTE: The exchange line ring cadence is internally generated within the system anddoes not track the exchange ring cadence. Do Not Disturb When invoked, this facility blocks the audible signals of all incoming exchange line and intercom calls.
Music-On-Hold Automatically transmits music to a caller on hold. The music may be generated internally, or provided by an external source. (The Optional Facilities Board is required for externally provided Music-On-Hold). Off-Hook Signalling Provides a muted audible exchange line signal to a busy keystation when it receives an incoming exchange line call.
Station Abbreviated By pressing [MEMORY] and then dialling a memory location (O-9), Dialling each keystation can access up to ten programmed numbers having a maximum of 19 digits. Each keystation has its own ten-number memory. Station Speed Dialling When the handset is lifted or the station is ‘off-hook’, and an exchange line is selected, up to 8 speed dial keys can be used to select pre- programmed speed dial numbers.
The music automatically turns off when a call is in progress. The Optional Facilities Board and an external music source (including a Telstra approved Line Isolation Unit) are required to provide this facility. Call Progress Tones Tones indicate the call the user.
Headset Mode A keystation handset may be replaced by a suitable Austel permitted headset. When connected and activated, the [SPKR] key is used to perform the off-hook function. Headset mode is protected against activation and deactivation by a two-key activation sequence. Secrecy All external and internal calls provide secrecy.
Chapter Two Power and Termination Unit This chapter provides a general description of the Power and Termination Unit and its two major components: the Power and Terminating Board (PTB-E) and Optional Facilities Board (OFB-E). It also includes PTB-E and OFB-E circuit block diagrams and a description of all circuit blocks depicted in both diagrams.
Power and Terminating Board Code - PTB-E Board Location - PTU Base Description - The PTB-E provides: the system terminal strip Used to terminate: incoming exchange lines; the system bus; the power-fail station and external background music inputs. power supply circuitry exchange line protection.
Refer to Illustration 3 - PTB-E Circuit Block Diagram. Transformer A double-insulated plug-pack that delivers 24V AC Nom. to the power Power Supply Delivers DC voltages for the system bus communications pair. Electronic Choke Decouples the Audio and Frequency Shift Keying signals from the DC feed.
Refer to Illustration 4 - OFB-E Circuit Block Diagram. The OFB-E Microcomputer Unit controls: Microcomputer Unit Door Station interface external music source interface It works in conjunction with the keystation microcomputer to control the systems’ optional facilities. PABX Earth Recall is not available on the Commander NOTE: E 105/208+.
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Bus < Door < Station External < Music Exchange Lines Earth OFB-E Circuit Block Diagram Page 2-6...
Chapter Three Keystations Introduction This chapter provides a general description of the keystation and its two major printed circuit boards. It then provides descriptions of each keystation circuit block and a circuit block diagram. General Description There are 3 types of system keystations. E 105+ Master Keystation Contains the hold and ring detectiorl circuitry for the Commander El 05+ system.
It consists of a rubber keypad and printed board assembly connected to the keystation main board via a ribbon connector. The assembly is controlled by a RISC processor. This processor also handles keypad interfacing with the keystation Main Board. Commander E105+ and E208+ Keystation...
Refer to Illustration 6 - Keystation Circuit Block Diagram. Controls keystation operation. The MCU works in conjunction with Microcomputer Unit Circuit (Mhl Circuit) other keystations (and the OFF&E, if installed) to control the system operation. Specifically, the keystation central microcomputer controls the: exchange line interface keystation communications and operation intercom keystation interconnection...
Data Transmit and Converts data transmitted on the bus power pair into logic levels, then Receive directs the signal to the keystation MCU serial port signalling interface. Speech Circuit Provides an interface for the telephone network intercom channel, transmission circuit and handset. Tone Generator Provides the DTMF tone and all audible tones emitted by the keystation.
Where appropriate, an illustration and reference are provided. Component Safety Precautions Commander E105/208+ equipment contains a considerable number of MOS and other static-sensitive components. To reduce the incidence of premature failure due to static discharge, ensure that you take the following precautions.
Door Station power-fail telephone external music-on-hold Connect OFB-E and Telstra reference conductor (if required) Power up Check cabling Power down Plug in keystations Program the system (refer to Chapter Five) Power up...
Keep one copy of the System Order with the equipment as a record of the particular installation. Return the remaining two copies to the local Telstra Business Offke. Refer to Illustration 7 - System Order Form. locate and Mount...
Commander E105/208+ System Order Form Order No(Servm Plus) Type of Payment (4) Programmable Options Exception Table Exchange Line Connections System Order Form...
Power and Termination Unit (PTU) Ensure that you install equipment in a position allowing adequate access Mounting Limitations for maintenance activities. The space requirements for wall-mounted equipment are: no less than 300mtn clear wall space on each side no less than 38Omm and no more than 1.8m from the floor no less than one metre of clear floor space in front of the equipment.
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Plug-Pack Dimensions Mount the PTU as follows: Installation Procedure Unclip the cover from the base by using a screwdriver in the slot in the top or bottom of the unit Disconnect the LED flying lead from the PTB-E Attach the base to the wall using three screws. Do not overtighten screws.
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C O M M A N D E R - E Power and Termination Unit Dimensions Cableentry push-through I - 1 2 0 m m Cableentry ..t push-through push-through Power and Termination Unit Mounting...
Power Supply Plug-Pack To mount the power supply plug-pack: Locate the customer supplied, 240V AC mains supply outlet (within one metre of the PTU) Ensure that the outlet is switched OFF Attach the plug-pack to the wall using the bracket supplied Plug power pack supply into mains outlet.
Wall Mounting Keystations To mount a keystation on the wall: Obtain a Wall Mounting Kit (WMK-E) Push out the handset rest from the centre of the wall mounting bracket and insert it in the hole under the earpiece in the handset Refer to Illustration 13 - Installing The Handset Rest.
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Keystation Wall Mounting Dimensions Wall Mounting the Keystation...
Door Station To mount a Door Station: Remove the base of the Door Station Attach the base to the wall using two screws. Do not overtighten the screws. Refer to Illustration 16 - Wall Mounting Dimensions For Door Stations. Pass the cable through the base using the cable entry at the top of the base Attach the Door Station to the base.
Connect and Terminate Cables Power and Terminating Unit Exchange or Line PABX Lines Isolation Unit Powerfai I telephone External Music Source q 1 2 1 Door Station Commander E105/208+ Cabling Scheme...
Cabling limitations The general rules for determining the allowable bus lengths are: The overall bus length must not exceed 500 metres The total distance of all individual keystations in any one branch emanating from the FTU must not exceed 1000 metres (1 km). Refer to Illustration 18 - Bus Length, and Illustration 19 - Example of Allowable Keystation Distances.
If cabled this way, the system would not function properly. In this case, the PTU should have been located as close as possible to the group of three keystations to create an acceptable overall length. Branch1 Branch 2 Total= 150m (Acceptable) Total =1140m (Not acceptable) Station Station...
Keystations To cable and terminate the keystations: Refer to Table 2 - Keystation Bus Cabling Terminations After cabling the bus, ensure it is properly terminated and that the polarity is correct. Ensure the system is cabled correctly. it is incorrect, the equipment will not operate.
Green Black Service b Blue White Service a Orange Modular Socket (KRONE Type) [IL221 Door Station To connect a Door Station to the PTU: Terminate the two pairs at the Door Station Terminate the two pairs on the OFB-E terminal strip 52 Refer to Table 3 - Door Station Terminations.
Internal Music-On-Hold Internal music-on-hold is a standard feature of the Commander E105/ the customer. To disable internal music-on-hold: Locate and remove or park jumper links 53 (line 1) and 54 (line 2) on the HRDB-E board in the master keystation. Refer to Illustration 31- Program - Internal, External, and No Music-On-Hold, page 5-9.
Power Up To power up the Commander E 105/208+ PTU: Ensure the system is cabled and terminated correctly Ensure all printed circuit boards are set up and installed correctly Switch on power at the plug-pack GPO. Check Cabling Before installing the keystations, measure the voltage at the modular sockets to ensure that the cabling is correct.
Hardware lnsfallafion Genera/ Procedures The password is only recognised when the keystation is completely idle that is, when: it is on-hook no system activity is taking place all LEDs are OFF. You must enter the password within four seconds of pressing the first digit.
Test Failure If a keystation does not function correctly during any of the LED, Keyboard or Audio tests, the line cord and internal ribbon cable should be checked. If the keystation is still faulty, it should be replaced. Test Mode Exit When the test is complete: Go off-hook.
System Programming Introduction This chapter describes the procedures for programming each feature of the Commander E105/208+ system. A programming summary is also provided at the end of the chapter. General Description Program the system by setting individual DIP switch positions at each keystation.
Keystation Intercom Assign the keystation addresses at each keystation by setting SW 1. Address To set the keystation address: Refer to Table 7 - Keystation Address Settings. sw1.2 osw1.3 sw1.4 NOTE: l=ONO=OFF Table 7 - Keystation AddressSettings...
Master Page-h To program a keystation to receive an “All Call Page” and the Door Station chime: Set SW2.1 to ON. To disable these facilities: Set SW2.1 to OFF. Example No Master Page-h Two outgoing line access classes are available for Commander E 105/ Keystation Access Class Class 1 - unrestricted calls Class 2 - local calls only.
To program entries into the exception table, proceed as follows: Enter [n][7][9][n+l] (where ‘n’ is the keystation address). Therefore the password for keystation 3 would be 3794. Press [MEMORY], followed by the table number ([I] through to Enter the exception code (up to 4 digits). Repeat steps 2 and 3 until complete Go off-hook then on-hook.
Example Program - Class 2 [IL251 Ring line 1 To enable calls to ring OF incoming exchange line 1: Set SW 2.3 to ON. To disable calls ringing on incoming exchange line 1: Set SW 2.3 to OFF. O N ’ Example Program - Ring On line 1 [IL261...
Dial Type To select keystation for Decadic dialling: Set SW 2.5 to ON. To select keystation for DTMF dialling: Set SW 2.5 to OFF. Example Program - OTMF Dialling Auto Pause Insert This option allows the keystation to insert automatically a three-second pause when using redial or abbreviated dishing on PAE3X lines.
This program facility allows the following options: internal music-on-hold external music-on-hold no music-on-hold. Program this facility by positioning the links on the Hold And Ring Detect Board (HRDB-E) in the system master keystation and in the Optional Facilities Board (OFB-E). To access the HRDB-E: Unscrew the five screws underneath the keystation and remove the keystation cover...
Examples 3 2 1 3 2 1 ( 9 m Internal o Music- On-Hold Program - internal, External, and No Music-On-Hold To access the OFB-E: Remove the PTU cover Position the jumper for the required setting. The setting of this jumper (53) must be consistent with the NOTE: setting of the jumper on the HRDB-E.
If you do not correctly enter all four digits within four seconds, re-enter the password from the beginning. Exit by going Off-hook. NOTE: This password is confidential and should not be told to the customer or to anyone else outside Telstra.
Exchange line Auto This option provides automatic answering of ringing exchange line calls Answer Ringing calls are answered simply by lifting the handset - there is no necessity to press the [LINE] key. If more than one call is ringing, lifting the handset will answer the oldest ringing call.
Headset Mode Headset Mode programming is a keystation user level option, and is included here for completeness only. A keystation handset may be replaced by a suitable Austel permitted headset. When connected and activated, the [SPKR] key is used to perform the off-hook function.
Chapter Six Functional Tests and Maintenance Introduction This chapter provides all the information required to test and repair the Commander E 105/208+ keystations and system. General Description Test the system after: installing it performing the keystationself-test performing the programming procedures. Test the system in accordance with the test procedures listed in this chapter.
The system functions are listed in a test sequence. Test the system in this order whilst consulting the System User Guide (Appendix C) for correct operation of the functions. If a fault interrupts the test sequence, restart the test at an entry point marked *. Keystation Installation Check: the system has power...
Commence tests here * Exchange line Seizure Dial tone received and line lamp on. If not, check: exchange line at PTU line terminals exchange line at ITU bus terminals If line is not present, replace the PTU. bus wiring and voltage Refer to Table 10 - Cable Connections.
Automatic Answering If an incoming call is not seized when the handset is lifted, check: Exchange Call as for ‘Incoming Exchange Call’ keypad features programming * Outgoing Exchange Call If the correct number is not reached, check: Test the exchange line Decadic to Tone If the tone signalling is not heard after pressing [MODE], replace the Signalling...
Abbreviated and Speed If the correct number is not obtained, check: Dialling correct procedure is being used to store numbers stored number does not violate access barring class in keystation ‘Unrestricted Access’ program. If system is connected to a PABX, check: Auto-Pause Insert’...
If a conference is not established, replace the keystation. Conference If music is not heard, check: * Background Music music source and its connection to the PTU If music is not heard at the 610 socket, liability for repair lies with the customer: OFB-E is correctly installed.
Test Equipment Use the following equipment to maintain the Commander E 105/208+ system: A multimeter with small test probes to measure various test voltages and to test wiring continuity between the PTU, connectors and keystations. Normal maintenance tools such as long-nose pliers, angle cutters, a Philips-head screwdriver and flat-blade screwdriver.
General The amount of maintenance that can be carried out on Commander E 105/208+ equipment is limited to changeover of the PTU and replacement of keystation parts. This is due to the susceptibility of the components to damage by static discharge (especially MOS components).
Fault Finding Tables The following tables provide an orderly set of steps for rectifying faults in an established working system. The ‘fault number’ indicates the order to follow when performing the diagnosis and repair procedures. INCOMING EXCHANGE LINE FAULTS TEST/REPLACEMENT SEQUENCE IN PREFERRED ORDER Fault Fault Description Master Plug Pack...
OUTGOING EXCHANGE LINE FAULTS TEST/REPLACEMENT SEQUENCE IN PREFERRED ORDER Fault HRBB-E OT Fault Description Station P.T.U. OFB-E Master Plug Pack Station Exchange line cannot be seized. One station only. Exchange line cannot be 1. Check incoming exchange line terminations. seized. 2.
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OTHER EXCHANGE LINE FAULTS TEST/REPLACEMENT SEQUENCE IN PREFERRED ORDER Fault Fault Description Master Plug Pack Other Procedures OFB-E Station P.T.U. Station Exchange line cannot be put on hold. One station only. Exchange line cannot be put on hold. More than one station. Line does not flash on hold.
TELEPHONE STATION FAULTS TEST/REPLACEMENT SEQUENCE IN PREFERRED ORDER Fault Fault Description Station P.T.U OFB-E Master Plug Pack Other Procedures Station does not function. Any station. Do Not Disturb does not function. Any station. Decadic to tone signalling mode change does not function.
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INTERCOM CALL FAULTS TEST/REPLACEMENT SEQUENCE IN PREFERRED ORDER Fault Fault Description ‘lug Pack Other Procedures P.T.U. OFB-E Master Station Station Intercom siignal does not function. One station only. Check bus wiring. Intercom signal call does not function. More than one station Check bus wiring.
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DOOR STATION AND OPTIONAL FACILITY FAULTS TEST/REPLACEMENT SEQUENCE IN PREFERRED ORDER Fault HRUB-E a Fault Description Station P.T.U. OFB-E Master Plug Pack Other Procedures Station 2. Replace Door Station. Door Station call cannot be Master Page access. 1. Check station is programmed for Master Page access.
Repair of Commander E105/208+ systems is limited to replacing PBA’s and the spare parts as listed in Appendix B - Field Maintenance Parts. Always pack faulty items in the carton and packaging supplied with the new item. Forward the package to your local store, where it is then sent to the National Repair Centre.
Appendix A System Characteristics System Capacities and limits BUS Wires Required BUS Limit (0.5MM Cable) Exchange Lines Intercom Lines Keystations Door Stations...
Electrical AC input to Power Supply Power Consumption 25 Watts 50 DC Nominal Output Voltage 500 metres of .5mm dia. cable Bus Cable Length (Twisted Pair) Operating Temperature 45 to 75% Humidity (Relative) Storage Temperature External Music- On-Hold Nominal Input Level Dialling DTMF (Tone) Dialling Frequency Deviation...
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Appendix B Parts Serial Item and Code list...
Appendix B Parts Serial Item and Code list Serial 546 Central Equipment DESCRIPTION REMARKS Power and Terminating Unit Includes plug power-pack; provides termination point for incoming lines, system bus, power-fail telephone, external music source and Door Station. Houses the optional facilities board PBA (if required). Optional Facilities Board Optional PBA, housed in the PTU.
A quick reference card, included with all NOTE: Item 60 consists of a box of 50 Installation and Maintenance Complete installation and maintenance DOC-EP-IM Manual procedures for the Commander E105/208-t small business system. System User Guide DOC-EP-SG per system, included with the system Master Keystation.
8. General Information ..............8-1 Care of Your Commander .
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Keystation Diagram Key Description a) Headset Mode Activation a) To monitor the door station or answer calls b) Dialling Mode Change from the door station. Change from decadic to tone signalling after a call is established. To control the Centel@/EasycallTM transfer function.
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Know Your Commander Service Tone Visual Sianals LAMP STATUS MEANING LAMP Intercom ring Continuous short tone Line free Busy Slow repeating tone Steady glow Line busy [LINE] Line on hold Slow flash Long repeating tone Medium flash Line ringing Rapid flash Conference in progress Intercom link free Intercom...
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The Commander E105/208+ is compatible with CenteVEasycall facilities provided the system has been programmed to meet the following conditions: DTMF Dialling Stations must have Unrestricted access. Subject to Centel connection the Commander E105/208+ has five preprogrammed keys which control the Centel/Easycall functions: Call Back Call Diversion...
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If Automatic Exchange line Answer is Programmed: Calls Intercom Hear the normal ring signal Ringing at Your Station Lift the handset - the call is answered. (If more than one call is ringing, the call ringing the longest is answered.) To Answer Intercom Calls Ringing at Your Station: If more than one call is ringing, a particular call may be answered first by Hear the intercom ring signal...
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Outside Calls Intercom Calls Off-hook Dialling Intercom Signal Call To Make an Outside Call with the Handset Off-hook: To Make an Intercom Call that will Ring at the Called Station: Lift the handset Ensure that the intercom lamp is extinguished Press a free [LINE] Lift the handset The selected [LINE] lamp glows steadily at all stations.
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Abbreviated Dialling last Number Redial This facility allows each station to access two abbreviated dial numbers To Initiate Automatic Redialling of the last Number Dialled with the Handset previously stored in that station. Off-hook: For abbreviated dial number storing procedures, see page 7-3. Lift the handset To Dial a Stored Number: Press a free [LINE]...
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Transferring Calls Holding Calls Any outside call can be transferred to another station. To Place an Outside Call on Hold: To Transfer a Call: Ask the outside party to wait Ask the outside party to wait Press [HOLD] Press [HOLD] The [LINE] lamp flashes slowly at all stations.
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Meet-Me Page Paging To Request a Specific Person to Contact the Originator of a Page Immediately Announcements can be made through the speakers of all idle stations in the pre- After an Announcement: programmed paging zone. Ensure that the intercom lamp is extinguished All-Station Page Lift the handset To Make a General Announcement to all Stations in the Paging Zone:...
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Paging and Conl e rence Cal l s Intercom Conference Conference Calls To Set Up an Intercom Conference Call: Conference calls can be conducted between an outside party and two stations, or between three stations. Ensure that the intercom lamp is extinguished Lift the handset Conference with an Outside Party Press required DSS key [l-8]...
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Call Diversion Call Back Refer to Centel User Guide for a complete description of this feature. Refer to Centel User Guide for a complete description of this feature. Call Diversion - Immediate To Set Call Back: Lift the handset To Store Call Diversion - Immediate: Press a free [LINE] Press [CALL DIVERT] The selected [LINE] lamp glows steadily at all stations.
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To Clear Call Diversion - Immediate: Press [CALL DIVERT] Lift the handset The dial sequence # is sent to line. Press a free [LINE] Replace the handset. The selected [LINE] lamp glows steadily at all stations. To Clear Call Diversion - Busy: Press [CALL DIVERT] twice Lift the handset The dial sequence #21# is sent to line.
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To Set Call Diversion - No Answer: Call Waiting Lift the handset Refer to Centel User Guide for a complete description of this feature. Press a free [LINE] To Hold the Original Call and Answer the Waiting Call: The selected [LINE] lamp glows steadily at all stations. Press [CALL WAIT].
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‘unrestricted’. If used in conjunction with other call handling functions on restricted stations, the access barring system will not allow dialling to the transfer number. Commander E105/208t System User Gude Page 6- 9 Page 6- 8...
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Continue this sequential procedure until you have stored all required To Activate or Cancel the Confidence Tone: numbers. Press [*] without lifting the handset. When you have finished entering numbers: Replace the handset. Commander E105/20& System User Gude Page 7- 2...
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Do Not Disturb Decadic to Tone Signalling This facility allows you to programme your station to block all audible signals If your system is programmed for decadic signalling, you can change to tone from incoming calls. signalling to access services such as telephone banking and personal remote paging.
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Headset Mode A keystation handset may be replaced by a suitable Austel permitted headset. When connected and activated, the [SPKR] key is used to perform the off-hook function. Headset mode is protected against accidental activation and de- activation by a two-key activation sequence. To Activate Headset Mode: With the handset on-hook: Press and hold [HSET/MODE]...
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If you require additional key stations or a larger system, please contact your Never immerse the equipment in water. Clean the surface with a slightly local Telstra Representative or call the nearest Telstra Business Office listed in damp cloth. Do not use detergents, polishes or commercial cleaners.
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