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Appendix 7: Index

2500 set

Defined

58

A

Abbreviated dialing

Defined

58

Acknowledgement Tone

Standalone

41

Alarm

2

Answer tone

21

Standalone

41

Three beeps

41

Audible Ringback

20

Auxiliary

Secure Mode Commands

35

Speed Mode Transfer Codes

45

Auxiliary Relay

43

enabling

15

Feature

33, 43

Models with

4

Operating commands

35, 45

Password

11

Password command

21

Programming

21

Purpose

2

Relay Password

33, 44

Secure Mode Commands

35, 45

Secure Mode Operation

33, 44

Speed Mode Operation

34, 44

Speed Mode Transfer Codes

35, 45

See Troubleshooting

B

Busy Tone

Defined

58

C

Cable Dressing

7

Call Progress Tone

Defined

58

Calling Party Control

58

Calling Party Supervision

27

Standalone

39

With Polling Controller

27

Calls with SLSS active

Standalone

39

Calls with SLSS Idle

Standalone

39

Canadian DOC compliance

iv

Canadian maintenance facility

iv

Central Office

Defined

58

Centrex

Defined

58

Command

Cancel

11

Values

12

Compatibility

Call Waiting

2

Caller ID

2

Loop start

2

Confirmation Tone

11

D

Daisy-chained SLSS

Maximum number of units

46

Operation

46

dB

Defined

58

Default

Defined

58

Default Port

Forced disconnect

41

Hang up

41

Defaults

Factory

19, 58

Restore

19

Standalone

19, 41

Delay Before Routing

26, 37

See Routing

Dialtone

Type of

19

DOC compliance

iv

Dual-tone multifrequency

Defined

58

E

Emergency

Access code

20

Phone numbers

20

Emergency Priority

Daisy-chain

47

Remote programming

13

Standalone

39, 40

With Polling Controller

28, 29, 32

Enable/disable

How to

11

Error Tone

Meaning of

11

F

Fax Routing

20

Operation

28

FCC compliance

iv

Features

Standalone

41

Forced disconnect

41

Defined

58

Fuse

52

G

Ground Start

2

Defined

59

See Loop Start

I

Substation Line Sharing Switch

Page 60

Summary of Contents for M-395

Page 1: ...Substation Line Sharing Switch SLSS M 395 and M 396 Product Manual 40 400 00031 Rev A ...

Page 2: ...Reserved Trademarks Teltone is a registered trademark of Teltone Corporation Windows is a registered trademark of Microsoft Corporation Other company and product names may be trademarks or registered trademarks of their respective owners Teltone Corporation Bothell Washington 98021 USA Customer Service 425 951 3388 Technical Support 425 951 3390 Fax 425 487 2288 Email info teltone com Website www ...

Page 3: ... 4 SLSS Wiring Example 7 Install Polling Controller optional 8 Setup Standalone Operation 9 Chapter 4 Programming 11 Programming Tips 11 Setup for Remote Programming with a Polling Controller 12 Example Remote Programming with Polling Controller 13 Setup for Local Programming 14 Example Local Programming 15 Setup SLSS Standalone Programming 16 Example Standalone Local Programming 16 Access Standal...

Page 4: ...sfer Codes 35 Chapter 6 Standalone SLSS Operation and Features 36 Figure 6 Standalone SLSS 36 Example Standalone SLSS Call 37 Example Alternative Standalone Call 37 Standalone Operational Details 38 Standalone Feature Operation 41 Table 4 Auxiliary Relay Secure Mode Commands and Speed Mode Transfer Codes 45 Chapter 7 Daisy chain Operation 46 Figure 7 Daisy chain SLSS Application 46 Daisy chain Fea...

Page 5: ...ix 3 Warranty and Return 55 Warranty Information 55 Return Procedures U S Customers 55 Return Procedures Canadian Customers 55 Appendix 4 Specifications 56 Appendix 5 Ordering Information 57 Appendix 6 Glossary 58 Appendix 7 Index 60 Reference Manual Contents 40 400 00031 Rev A Page iii ...

Page 6: ...te to the user s satisfaction Before installing this equipment users should ensure that it is permissible to connect it to the facilities of the local telecommunications company The equipment must also be installed using an acceptable method of connection In some cases the company s inside wiring associated with a single line individual service may be extended by means of a certified connector ass...

Page 7: ... to complete the example Where steps are optional they are labeled Optional Where you are to choose between two or more options they are separated by or This product is intended for the installations under the exclusive control of electric utilities for the purpose of communication or metering or for the generation control transformation transmission and distribution of electric energy located in ...

Page 8: ...Substation Line Sharing Switch Page vi ...

Page 9: ... Local Programming in Chapter 4 Standalone SLSS Configuration See Chapter 6 for a detailed description of Standalone operation before continuing If you will use the SLSS in standalone mode without a Polling Controller follow the Are You Ready Installing the SLSS and Setup Standalone Operation instructions in Chapter 3 When you finish the SLSS is ready to route calls If you will be using a Polling ...

Page 10: ...D features offered by some telephone systems do not work with the SLSS LED Indicators Lights LEDs on the front of the SLSS tell you the status of the unit and ports For example the LED blinks quickly when a call is ringinga port Uniqueblinking patterns indicate different functions as shown in Table 1 Table 1 LED Indicators on the SLSS LED Operation Status LED Port Status LEDs Slow blink full to ha...

Page 11: ...lustrates a typical application in which a single telephone line is shared by four devices The Polling Controller is added to your existing hardware at the data retrieval location The SLSS offers many benefits some of which include its ability to Share a single substation telephone line between up to eight devices Eliminate expensive telephone line installation and monthly charges for briefly used...

Page 12: ...o a wall or to center or front mount the SLSS in an equipment rack To mount the SLSS on a wall remove and discard the lower two center screws on the SLSS side panels Connect the short side of the mounting brackets to the SLSS using the pan head round screws provided Then attach the mounting brackets to the wall with the supplied wood screws or To center mount the SLSS in Equipment Rack locate the ...

Page 13: ...correct For more detail see Appendix 2 Troubleshooting Connect the protective grounding to the screw above this symbol on the barrier strip on the back of the SLSS The SLSS must be grounded to operate properly Connect the SLSS to the incoming line in front of any other devices all devices that will be used with the SLSS must plug into it If there are multiple CO lines check the telephone numbers a...

Page 14: ...IES WITH PART 15 OF THE FCC RULES OPERATION IS SUBJECT TO THE FOLLOWING TWO CONDITIONS 1 THIS DEVICE MAY NOT CAUSE HARMFUL INTERFERENCE AND 2 THIS DEVICE MUST ACCEPT ANY INTERFERENCE RECEIVED INCLUDING INTERFERENCE THAT MAY CAUSE UNDESIRED OPERATION COMPLIES WITH PART 68 FCC RULES FCC REG NO XXXXXX XXXXX XX X RINGER EQUIVALENCE X XB PORT 5 PORT 1 C O LINE PORT 6 PORT 2 PORT 7 PORT 3 PORT 8 PORT 4 ...

Page 15: ...ower to the SLSS and check that all LEDs light momentarily The Status LED will blink indicating the SLSS is idle If power is lost to the SLSS a direct path between the C O Line port and Port 1 is maintained Run the wiring for the terminal block to the left of the unit through the tie block Secure the wires using the zip ties Replace the yellow terminal block cover Run the CO Line and all port cabl...

Page 16: ...00 00013 The power LED on the back panel should be flashing If not check that the power is securely connected If the LED does not light check the power connection and fuse If the LED is on bright but does not flash see the Troubleshooting instructions in the appendix Place a call to the telephone connected to Port 1 on the SLSS The call should be answered by the SLSS on the first ring and the Port...

Page 17: ... be answered by the SLSS on the first ring and the Port 1 telephone should ring after four seconds Answer the phone then hang up Now you can call a port on the SLSS by adding the Standalone transfer codes to the end of the SLSS phone number Standalone transfer codes 11 88 access Ports 1 8 as follows 11 accesses Port 1 22 accesses Port 2 and 33 accesses Port 3 etc See Chapter 4 Changing Transfer Co...

Page 18: ... to Port 3 dial 1 206 555 1212 33 Note The guesswork involved in determining the correct number of pauses is why many users decide to use the Teltone Polling Controller Optional Continue to Chapter 4 Programming to review the Programming Tips before following the Setup for Local Remote or Standalone Programming instructions Substation Line Sharing Switch Page 10 ...

Page 19: ...ogramming Remote Programming must be enabled through Local Programming before you can access the SLSS remotely When you have finished programming remotely exit by hanging up the telephone You cannot disable the Remote Programming feature while in Remote Programming Confirmation Tone When a command has been entered successfully you will hear a three beep confirmation tone after entering the last Er...

Page 20: ...from 12 to 10 enter 01 10 For example to change the password to 1234 enter 03 1234 1234 For example to change the Port 2 transfer code to 8802 enter 12 2 4 8802 Setup for Remote Programming with a Polling Controller Note Programming may be interrupted if you have enabled Total or Emergency Priority If one of these priority modes is enabled Port 1 will be able to interrupt programming The SLSS will...

Page 21: ...xit programming mode If you hear error tone enter the command again Enter 51 1 911 911 to enter the number 911 as the first emergency priority number Listen for three beeps Enter 51 2 18004263926 18004263926 to enter the number 1 800 426 3926 as the second emergency priority number Listen for three beeps Enter 03 8378 8378 to change the password to test 8378 Listen for three beeps Enter 06 2 to en...

Page 22: ...ll not hear a confirmation tone from the SLSS Enter the password within 30 seconds The default password is 8358663 Teltone Note If an invalid password is entered you won t hear three beeps Hang up and wait for 30 seconds before trying again When you hear the three beep confirmation tone begin programming Turn to the Local Programming Example for a typical programming session or If the Central Offi...

Page 23: ...eps Enter 51 1 911 911 to set 911 as the first emergency priority number Listen for 3 beeps Enter 51 2 4871515 4871515 to set the number 487 1515 as the second emergency priority number Listen for three beeps Enter 74 1 to enable the Auxiliary Relay Listen for three beeps If you have completed the example steps and will not use these values enter 00 01 to return to the factory defaults Listen for ...

Page 24: ...andalone Local Programming Enter 12 1 2 1 to set the new two digit transfer code for Port 1 to 1 You have 60 seconds To set the transfer code to 2 for Port 2 enter 12 2 2 2 To set the transfer code to 3 for Port 3 enter 12 3 2 3 To set the transfer code to 4 for Port 4 enter 12 4 2 4 To enable remote programming enter 02 1 To set the remote programming transfer code to 9 enter 07 2 9 Write these c...

Page 25: ...0 seconds and dial the SLSS again Enter 00 02 to bring up the Standalone defaults Listen for three beeps To change the Standalone values select a command from Table 2 and begin programming It is best to write out all commands in the Customer Settings column provided in Table 2 Example Standalone Remote Programming After completing the steps above continue To change the Port 3 transfer code to 3 en...

Page 26: ...ter 44 when you hear dial tone Port 4 will ring but you won t hear the Acknowledge Tone or three beeps Hang up when the last call is finished Example Standalone Call with Post Answer Transfer With the above example programmed into the SLSS you could do the following Dial the SLSS telephone number and listen for the first ring Answer the call on the Port 1 telephone To transfer the call to Port 3 e...

Page 27: ...etch Standalone Defaults Resets the unit to the defaults listed in the Standalone Defaults column Note When you enter one of the three commands above 00 00 00 01 or 00 02 you must reprogram emergency telephone numbers 01 x Number of Rings Sets the number of times the SLSS will ring any port before disconnecting 1 50 12 12 02 x Remote Programming Enables or disables remote programming This command ...

Page 28: ...e ringback with calls to a port y Port 1 8 n 0 disabled or 1 enabled n 0 n 1 enabled 50 x Priority Type Determines how competing users will be given access to the line The default is Total Priority 0 Total 1 Emergency 2 No 0 0 51 y x x Emergency Phone Numbers When emergency priority is enabled this command sets the phone numbers to which a Port 1 user is allowed priority access when the line is in...

Page 29: ...password that must be entered to access the aux relay The password must be entered twice as shown It must be different from the SLSS Programming Password x password 3 10 digits any DTMF digit except 73529 RELAY 73529 RELAY 76 x Post Answer Transfer Enables or disables the ability to transfer a call that was answered on the Port 1 phone to another SLSS port 0 disabled 1 enabled 1 1 77 x Ring Detect...

Page 30: ...ansfer codes are different from port transfer codes n 0 4 x transfer code unpublished 1 12 y n x Transfer code for SLSS Ports Sets the transfer code for the SLSS ports If you enter 0 the port will be outgoing only Valid digits for the transfer code include 1 9 0 and All port transfer codes must be unique is not a valid code y 1 8 port number n 0 4 number of digits in code x transfer code 0 9 A D u...

Page 31: ...e 3 Program the new values using command 12 y n x Transfer Codes for SLSS ports Example Follow the appropriate steps to access the SLSS for programming with or without the Polling Controller and either remotely or locally Example To change the transfer code for Port 3 to 13 enter 12 3 3 13 and listen for three beeps Note All port transfer codes must be unique and have the same number of digits If ...

Page 32: ...Polling Controller to send the new transfer codes when it receives the indicated routing codes Refer to Reference Manual PC 100 for Polling Controller programming instructions Substation Line Sharing Switch Page 24 ...

Page 33: ... received from a Polling Controller the SLSS routes the call to the requested device such as a polled modem If no transfer code is received the call is routed to the default port Port 1 is the factory default which is usually connected to a telephone If no default port is defined calls without transfer codes are disconnected You can select a variety of SLSS operations by programming the unit remot...

Page 34: ... is sent at regular intervals to the SLSS so that when the SLSS answers the call the transfer code is received within a second or two The transfer code is sent until the SLSS acknowledges receipt or until the calling modem terminates the call The SLSS answers the call at the end of the first ring and waits for a transfer code you program the length of time the Delay Before Routing that the SLSS wa...

Page 35: ...ly disconnect the call within 5 20 seconds depending on network design This will allow the called party to get dial tone when she he goes off hook again To circumvent this problem when the SLSS senses a priority interrupt it immediately signals the Polling Controller to disconnect the original polling call This ensures that the user initiating the priority will be able to complete the priority cal...

Page 36: ...d Caution If an SLSS port is receiving an incoming fax when you go off hook in either Total Priority Mode or Emergency Priority Mode the SLSS will be unable to obtain network dial tone until the sending fax disconnects or until the PSTN times out usually within 10 15 seconds In No Priority Mode the modem or other device remains active and the line is not assigned to another port Fax Routing When a...

Page 37: ...coming call is connected to a port the SLSS connects Port 1 to the incoming call and looks for a transfer code from the Polling Controller After the SLSS receivesthe transfer code it handlescalls according to the assigned priority access mode No Total or Emergency Priority If the SLSS is programmed for No Priority the call will be routed to the appropriate port and Port 1 will receive busy tone or...

Page 38: ...COD to the port and the SLSS goeson hookto theincoming C O telephoneline toenableotherportstoreceive calls The Privacy Timeout occurs after the SLSS detects at least five seconds of Central Office dial tone or two cycles of either busy or reorder tone during the first 15 seconds of off hook no DTMF digits and 5 or fewer rotary breaks dialed in 30 seconds The alarm LED will turn on until the the de...

Page 39: ...g With this feature enabled you can send a transfer code to switch from one port to another after your current call is complete or the port you are calling does not answer In either case when this feature is enabled you have 15 seconds of dial tone during which you can enter a new transfer code If however Port 1 goes off hook and the priority mode is set to Emergency or Total Port 1 is given contr...

Page 40: ... given priority when one of the programmed emergency numbers is dialed The SLSS can be programmed to allow up to ten 16 digit numbers In this mode all other ports work as if in Total Priority mode If you have programmed an Access Code Port 1 will get access to the line whenever the access code is entered regardless of the number dialed Caution If an SLSS port is receiving an incoming fax when you ...

Page 41: ...mode is Secure Mode see Table 2 page 21 Auxiliary Relay Secure Mode Operation Secure Mode requires the user to enter a password before gaining access to Auxiliary Relay operation This mode requires more steps and works similarly to entering programming commands except that a special Relay Password is used not the System Password and the user is restricted to only relay commands To access the relay...

Page 42: ...hrough the Polling Controller with either a modem or a telephone simply append 16 to the telephone number You will hear four beeps after the relay closes then two beeps after it opens When you send the Pulse Auxiliary Relay transfer code the SLSS will not accept any other transfer codes for ten seconds To CLOSE the relay using the Polling Controller one of the available but un used routing codes m...

Page 43: ...ten second period Closed 4 beeps when relay is closed Open 2 beeps when relay is opened Speed Mode Transfer Codes Description Valid transfer codes SLSS Response 96 Auxiliary Relay Pulse Transfer Code Pulses the relay closed for 10 seconds Note The Auxiliary Relay can also be pulsed using the Polling Controller by appending the routing code 16 to your dial string 96 Closed 4 beeps when relay is clo...

Page 44: ...g to direct calls to assigned ports For example in Figure 6 modem calls to the Fault Recorder would be sent to Port 3 and fax calls to Port 4 Fax calls are routed by the Calling or CNG tone Note If a Polling Controller will ever be used with the SLSS the transfer codes from the Polling Controller must be changed to match the ports listed in Table 2 See command 12 y n x To change the transfer codes...

Page 45: ... the transfer code before it starts ringing the default port it sends a transfer acknowledgment tone to the calling modem The modem answer tone is used in case a Polling Controller occasionally calls the SLSS The tone removes the line split at the Polling Controller You can program the SLSS so that no acknowledgment tone is sent a modem answer tone is sent or a DTMF command B is sent If a Polling ...

Page 46: ... the phone goes off hook If another port is using the line for example data transfer is taking place the modem is halted and the line made free for the telephone user Port 2 also has priority access over Ports 3 and 4 but not over Port 1 Port 3 has priority access over Port 4 but not over Ports 1 and 2 If Emergency Priority Mode is enabled a Port 1 user is given priority when one of the programmed...

Page 47: ...phone at Port 1 receives dial tone generated internally by the SLSS Dialed digits are monitored If the dialed phone number does not match the programmed emergency numbers busy tone is sent to the telephone user If however the dialed number matches a programmed emergency phone number the line is freed for the telephone user The SLSS then dials the number and connects to the Central Office line The ...

Page 48: ...he transfer code calls are handled according to the assigned priority access mode No Total or Emergency Priority If a phone goes off hook on Port 1 and the SLSS is programmed for No Priority the call will be routed to the appropriate port and Port 1 will receive busy tone If in Total Priority Mode a phone goes off hook on Port 1 the SLSS will disconnect the incoming call and connect Port 1 to the ...

Page 49: ...operating Remote Programming A password protected remote programming capability is provided This feature must be enabled via Local Programming before it can be used Pause for Transfer Code The SLSS will pause after answering a call and wait for a transfer code You can program the SLSS to pause for any period of time between 4 and 30 seconds default is 4 seconds Acknowledgment Tone When this functi...

Page 50: ...e the calling modem must be programmed not to hang up on loss of carrier Please see the modem s manual for programming instructions Make sure Post Call Routing has been enabled If not return to the Local or Remote Standalone Programming instructions and do so Dial the SLSS telephone number and listen for three beeps Enter the transfer code for the first port you wish to call If you have enabled th...

Page 51: ...ine during these conditions a programmable off hook timeout is provided When the Port Off hook Timeout begins the SLSS will send a forced disconnect COD to the offending port hang up the incoming C O telephone line and the alarm LED will light until the device on the port goes on hook This off hook timeout should allow enough time for the expected duration of the longest polling call Ring Detect F...

Page 52: ...er the relay closes then two beeps after it opens When you send the Pulse Auxiliary Relay command the SLSS will not accept any other commands for ten seconds To CLOSE the relay enter 11 1 and listen for four beeps To OPEN the relay enter 11 0 and listen for two beeps To QUERY the relay about its status enter 21 You will hear four beeps if the relay is closed two beeps if it is open Hang up when fi...

Page 53: ...two beeps indicate it is open Closed 4 beeps Open 2 beeps 31 Auxiliary Relay Pulse Pulses the relay closed for ten seconds then opens it The SLSS does not accept any other commands during this ten second period Closed 4 beeps when relay is closed Open 2 beeps when relay is opened Speed Mode Transfer Codes Description Valid transfer codes SLSS Response 96 Auxiliary Relay Pulse Transfer Code Pulses ...

Page 54: ... units can be daisy chained however if you are using the M 396 A B D or E eight port models a maximum of two SLSS units can be daisy chained Daisy chainedunitsoperatejustas theywould normally with oneexception Port 1 of the first SLSS is always used to connect to the next SLSS through its CO Line port The last SLSS in the chain can use Port 1 to connect to an emergency telephone Other ports can be...

Page 55: ...hen an emergency call is made the Total Priority mode of other units up the chain will cause any call in progress to be terminated As soon as dial tone is received from the PSTN the emergency call will be processed If you assign Total Priority to all SLSS units in the chain devices connected to ports on the first and second SLSS will be disconnected if any port on the last SLSS goes off hook Cauti...

Page 56: ...l SLSS Note For reference only Unit 1 is the first SLSS in the daisy chain Unit 2 is the second etc When assigning transfer codes for remote programming or for ports commands 07 n x and 12 y n x all codes must be unique and must have the same number of digits Select a port on one of the daisy chained SLSS units Choose the routing codes 04 or 09 16 that you want associated with that port Assign a u...

Page 57: ...t _____ Port _____ Unit _____ Port _____ 14 Unit _____ Port _____ Unit _____ Port _____ 15 Unit _____ Port _____ Unit _____ Port _____ 16 Unit _____ Port _____ Unit _____ Port _____ Program the units according to the information you entered in Table 5 Use 12 y n x the Transfer Code for Port Access command to program the transfer codes into each SLSS For example Table 5 below is complete with the i...

Page 58: ... and must have the same number of digits Table 6 Remote Programming Daisy chained SLSS Units Transfer Code for Remote Programming Remote Programming Code SLSS to be Programmed 1 2 3 4 After completing the table above program this information into the Polling Controller if you are using one then into the SLSS Programming instructions for the Polling Controller are provided in Reference Manual PC 10...

Page 59: ...the appropriate transfer code using the information you entered in the table above Following the example in Table 6 you would program the two digit code for the third SLSS by entering 07 2 3 After you have programmed each SLSS with a Remote Programming Code follow the instructions in Chapter 3 to program settings for the features you will use Reference Manual Chapter 7 Daisy chain Operation 40 400...

Page 60: ...rminals The cover should be replaced to prevent shock The M 395 D 01 and the M 396 D 01 units operated from 90 to 150 VAC Their maximum current draw is 250 mA at 120 VAC The M 395 E 01 and the M 396 E 01 units operated from 90 to 220 VAC Their maximum current draw is 250 mA at 220 VAC Alarms A1 and A2 Use of these connectors is optional Connect alarm monitoring equipment to these normally open con...

Page 61: ... SLSS if you are not using the default values The Factory Default transfer codes are proprietary and require a Polling Controller to remotely access the SLSS programming mode and to ring any of the SLSS ports The SLSS must be programmed to Stand Alone or user programmed transfer codes to steer calls without a Polling Controller If you are unable to use Remote Programming make sure that the Remote ...

Page 62: ... CNG the SLSS needs to route fax calls If you have difficulty receiving faxes on one of the SLSS ports and are using the unpublished factory transfer codes default change the transfer code for the fax port to a two digit code e g 22 so the caller can route faxes manually Modem Lock Up If a modem or another microprocessor controlled device gets stuck off hook usethe auxiliaryrelay to resetit The re...

Page 63: ...n Authorization MRA number When calling for an MRA number you will need the following information Unit number part number and serial number All available information describing the problem Complete shipping and billing address Repair purchase order When returning units provide the following information Teltone MRA number Ship the unit to ATTN Enter MRA number here Teltone Corporation 22121 20th Av...

Page 64: ...cts on hook when loop current is 6 mA Local Battery Feed On hook voltage 35 52 volts DC Off hook local battery short circuit loop current Surge Withstand Capability 30 mA maximum IEEE 37 90 1 1989 DTMF Network Signaling Data Transmission Level Call Progress Tones Toward CO 7 8 dBm 3 dBm into 600 ohm termination combined level Shall not exceed 9 dB with respect to 1 mW when averaged over any three ...

Page 65: ...ammable Ring Detect features M 396 B 01 Same as M 396 A 02 with addition of Auxiliary Relay M 396 D 01 Same as M 396 B 01 except the unit accepts a 90 150 VAC power input M 396 E 01 Same as M 396 D 01 except the unit accepts a 90 220 VAC power input PS 24DC 01 Power transformer and cord Converts 120 VAC wall power to 24 VDC Required for use with M 390 A unless UM 112 801 is used PS 48DC 01 Power s...

Page 66: ...ers lines are joined to switching equipment for connecting other subscribers to each other locally and long distance Also called CO Centrex Business telephone service offered by a local telephone company from a local Central Office Centrex is leased to businesses as a substitute for a business owned PBX or key telephone system dB A decibel is a unit of measure for expressing differences in signal ...

Page 67: ...is in an off hook state when the handset is removed from the cradle A modem or other device is off hook when it answers a call or when it seizes a line to initiate a call Public Switched Telephone Network PSTN Usually refers to the worldwide voice telephone network accessible to all those with telephones and access privileges i e In the U S it was formerly called the Bell System network or the AT ...

Page 68: ... Calls with SLSS Idle Standalone 39 Canadian DOC compliance iv Canadian maintenance facility iv Central Office Defined 58 Centrex Defined 58 Command Cancel 11 Values 12 Compatibility Call Waiting 2 Caller ID 2 Loop start 2 Confirmation Tone 11 D Daisy chained SLSS Maximum number of units 46 Operation 46 dB Defined 58 Default Defined 58 Default Port Forced disconnect 41 Hang up 41 Defaults Factory ...

Page 69: ...hook timeout at SLSS Standalone 43 With Polling Controller 30 Operation With a Polling Controller 26 Ordering information 57 Outgoing Calls Standalone 39 With Polling Controller 27 Outgoing Calls SLSS idle 27 Outgoing Calls SLSS Idle With Polling Controller 27 Outgoing Calls SLSS Active With Polling Controller 28 P Password 11 19 Pause for Transfer Code Standalone 41 Polling Controller Basic opera...

Page 70: ...cess Priority Standalone 38 SLSS Port Access Priority Emergency Standalone 38 SLSS Port Access Priority Total Standalone 38 SLSS with Polling Controller Detailed operation 29 Specifications 56 Standalone Defaults 41 Standalone Programming Instructions 16 Standalone SLSS Operation and Features 36 39 41 43 45 Pause for Transfer Code 41 Warning 25 T Terminal Block cable dressing 7 Timeout Port off ho...

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