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Appendix 1: Specifications

M-392-A/B, M-393-A/B, and M-394-A/B Line Sharing Switches

Power Requirements

20 VDC

≤

DC Input

≤

34 VDC.

Maximum current draw = 500 mA
UL/CSA-recognized supply included with unit.

24 VDC, 120 VAC

10 %, 60 Hz, 0.2 A max.

No internal fusing required.

Environmental Requirements

Versions 250-00187-18 or higher

Operating Temperature
Storage Temperature

Versions 250-00187-17 or lower

Operating Temperature
Storage Temperature

Humidity

-20°C to +60°C
-40

C to +70°C (upper limit up to 3 days)

0°C to +50°C

-40

C to +60°C (upper limit up to 3 days)

90% maximum non-condensing, relative

Incoming Line Ring Detect

Frequency
Voltage
Ringer Equivalence

Ring trips within 200 mS after end of first ring cycle.
5 to 68 Hz
50 VRMS min
2.0B Max

Incoming Loop Hold Circuit

DC resistance of approximately 240 ohms.

Local Ring Generator

50 VRMS minimum at 5 ringer equivalence

Ringing frequency

Rounded square wave output at 20 Hz
2.0 S on/4.0 S off

10%

DTMF Receiver Parameters

Jack A

Receive level
Receive timing

Port 1 - 4

Receive level

-10 to -40 dBm
40 mS min

+10 to -20 dBm

Loop Current On-Hook/Off-Hook Detection

Unit detects off-hook when loop current is

≥

20 mA .

Unit detects on-hook when loop current is

≤

Forced Disconnect Recognition

350 mS

50 mS

Port 1 - 4 Rotary Signaling Detection

% Break
Interdigit Time

8 - 22 pps
40% to 80%
300 mS min

Jack A - Rotary Dialing Parameters

Rate
Interdigit time

10 pps 60% break
740 mS

5 mS

Local Battery Feed

On-hook voltage

40-52 volts DC.

Off-hook local battery

(short circuit loop current)

30 mA maximum

Call Progress Tone Characteristics

Jack A transmit level
Port 1 - 4 transmit level
Ringback Tone
Busy Tone
Dial Tone
Stuttered Dial Tone
Fast Busy Tone
CNG Tone detection (Fax Port)

receive level

Confirmation Tone

-10

3 dBm (combined) into 900

Ω

-18

3 dBm (combined) into 900

Ω

440 + 480 Hz 2.0 S on/4.0 S off
480 + 620 Hz, 500 mS on/500 mS off
350 + 440 Hz continuous
1 S delay, 3 bursts 100 mS on/off then continuous
970 Hz

10%, 250 mS on/250 mS off

1100 Hz

100 Hz

-10 to -45 dBm
2125

25 Hz, -13 dBm into 900

Ω

Watchdog Timer/Low Supply Voltage Detector

Provided in unit. If the microcontroller does not toggle the watchdog timer for
150 ms, the microcontroller is reset. When on-card 5 volt supply is

≤

4.5 volts,

the controller is held reset. Normal phone service is not affected by reset and
exit from reset conditions.

Indicator Lights

Green power and status indicator.

Dimensions/Weight

1.50" H x 5.50"W x 9.00"D, 1 lb. 8 oz.

Line Sharing Switch

Page 38

Содержание M-392

Страница 1: ...Line Sharing Switch LSS M 392 M 393 and M 394 Product Manual 40 400 00015 Rev F ...

Страница 2: ...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 USA Customer Service 425 951 3388 Technical Support 425 951 3390 Fax 425 487 2288 Email info teltone com Website www teltone com ...

Страница 3: ...g Pads 8 Figure 5 Line Sharing Switches 9 Chapter 4 Teltone Default LSS Operation with Polling Controller 10 Programming the LSS 15 Using the LSS Programming Commands Table 15 Table 2 LSS Programming Commands 16 Table 3 Routing Codes for Polling Controller 18 Local Programming 18 Remote Programming 19 Chapter 5 Standalone LSS Operation and Programming 20 Figure 5 Standalone Line Sharing Switch 21 ...

Страница 4: ...ction 34 Figure 8 Installation Using Jack B 35 Chapter 7 Warranty Troubleshooting and Technical Support 36 Warranty Information 36 Troubleshooting 36 Technical Support 36 Return Procedures 37 Appendix 1 Specifications 38 Appendix 2 Ordering Information 40 Appendix 3 Glossary 41 Index 43 Line Sharing Switch Page ii ...

Страница 5: ...from the telephone line to determine if the registered equipment is malfunctioning and if the registered equipment is malfunctioning the use of such equipment shall be discontinued until the problem has been corrected FCC Part 15 Class B Notice This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to part 15 of the FCC Rules These limits are desig...

Страница 6: ...ecommunications company cause to request the user to disconnect the equipment Users should ensure for their own protection that the electrical ground connections of the power utility telephone lines and internal metallic water pipe system if present are connected together This precaution may be particularly important in rural areas Caution Users should not attempt to make such connections themselv...

Страница 7: ... is required Opening or removing covers may expose you to dangerous voltages or other risks Incorrect reassembly can cause electric shock when the appliance is subsequently used 5 If the product does not operate normally by following the operating instructions or if the product has been dropped or the cabinet has been damaged or if the product exhibits a distinct change in performance refer servic...

Страница 8: ...companying the Polling Controller explains how to install program test and operate the Polling Controller and should be used in conjunction with this manual Conventions Used In This Manual Where steps are optional they are labeled Optional Where you are to choose between two or more steps they are separated by or Each step is accompanied by a check box q Check the box when you finish the step Some...

Страница 9: ...94 B 02 M39X A 5 Chapter 5 Standalone Operation and Programming M 392 B 01 M 393 B 01 M 394 B 01 M 39X A 4 To setup the LSS follow the instructions in Chapter 3 Note When you have finished installation and have tested each LSS you can program the unit to operate with different commands The factory defaults which are used until you program the unit let you get started and operate the unit immediate...

Страница 10: ... a polled Point of Sale POS server receiving incoming calls one credit authorization terminal making outgoing calls and one telephone for incoming and outgoing calls Components For maximum effectiveness the Polling Controller and LSS should be used as a system The Polling Controller is installed at the central polling location to control access to the line at the LSS The LSS is located at the busi...

Страница 11: ...hes one of the ten emergency numbers For example if you need to dial 9 1 1 but the line is being used by the fax machine on Port 2 dial 9 1 1 and your call will be sent through q Total Priority gives Port 1 usually a telephone access to the line whenever it goes off hook When Total Priority is enabled Port 2 has priority over Ports 3 and 4 and Port 3 has priority over Port 4 Caution If the LSS is ...

Страница 12: ... the call If a transfer code is received from a Polling Controller the LSS 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 usually connected to a telephone or a telephone and extensions When the LSS is used without a Polling Controller the caller must be sure the LSS answers the call...

Страница 13: ...erates from standard 120 VAC wall power A UL and CSA approved AC to DC transformer is included which converts the input voltage to the 24 VDC required by the unit Ports two three or four RJ 11 device ports models M 392 A B M 393 A B and M 394 A B respectively Port 1 is the highest priority device port if a telephone is to use the line it should be connected to Port 1 Ports 2 through 4 are intercha...

Страница 14: ...devices and should not be used with ground start telephone circuits or devices Most telephone circuits and devices support loop start operation Please check with your telephone company if you are uncertain about your particular telephone circuit Note If lightning storms are common in your area we recommend that you install a surge protection device between the unit and the incoming telephone line ...

Страница 15: ...e outlet has power If the LED is on bright but does not flash the unit is probably faulty and should be replaced q Place a call to the telephone connected to Device Port 1 The call should be answered on the first ring and the Port 1 telephone should ring after four seconds Answer the phone then place the phone back on hook q Go off hook on one of Ports 2 through 4 and then attempt to place a call ...

Страница 16: ...age 8 Figure 3 LSS Mounted Using Mounting Strap Apply 2 square dual lock fastening pad to unit as shown allow for serial number label Both pieces should be mated prior to installation on unit Figure 4 Adhesive Mounting Pads ...

Страница 17: ...Reference Manual Chapter 3 Installing the LSS 40 400 00015 Rev F Page 9 Figure 5 Line Sharing Switches ...

Страница 18: ...gs Port 3 and sends an acknowledge tone a typical modem answer tone to the Polling Controller instructing the Polling Controller to connect the host modem to the line to complete the call Note The modem answer tone is used so that a Polling Controller can be used to dial remote modems even when no LSS is installed When the Polling Controller recognizes the acknowledgment tone it removes the line s...

Страница 19: ...eive a busy signal to indicate that she he should redial in these instances You can establish one of three types of priority which will determine how competing users at the LSS are given access to the line This is determined by a programming command as described in Chapter 4 The priority modes are If Total Priority Mode is enabled Port 1 normally a telephone is given immediate access to the line w...

Страница 20: ...ry feed while the LSS disengages the active port To do this the LSS forces the modem on hook terminating the modem carrier then sends a disconnect command to the Polling Controller and receives acknowledgment that the Polling Controller has gone on hook then goes on hook towards the central office to obtain a new dial tone for the calling party If in Emergency Priority Mode and the telephone at Po...

Страница 21: ...MF string from the Polling Controller If a DTMF transfer code is received the LSS will split the line What happens next depends on which priority interrupt mode has been programmed If the LSS 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 the LSS will perform a disconnect sequence as described previously and...

Страница 22: ...to receive calls This lockout of an offending port occurs after first detecting 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 and no DTMF digits and 5 or fewer rotary breaks dialed in 60 seconds If dial tone busy or reorder were not detected or dialing was detected the LSS will monitor for either a hook flash ...

Страница 23: ... a feature 1 enables it Confirmation Tone When a command has been successfully entered a confirmation tone three short beeps is returned to the user Error Tone When a command has been entered incorrectly an error tone one long beep is returned to the user Programming Timeout Remember the LSS will exit the programming mode and disconnect if 60 seconds elapse without entry of any DTMF digits Using t...

Страница 24: ...ogramming 10 x Off hook timeout Port 1 Limits the time allowed for a single call on Port 1 0 255 minutes 0 disabled 20 x Off hook timeout Port 2 Limits the time allowed for a single call on Port 2 All units 0 255 minutes 0 disabled 30 x Off hook timeout Port 3 Limits the time allowed for a single call on Port 3 0 255 minutes 0 disabled 40 x Off hook timeout Port 4 Limits the time allowed for a sin...

Страница 25: ...ramming Replace n with the number of digits 0 4 If you enter 0 remote programming will be disabled Valid digits for the transfer code include 1 9 0 and See Note 1 n 0 4 x transfer code See Note 2 and Table 3 12 n x Transfer code for LSS Port 1 Sets the transfer code for Port 1 of the LSS See Note 1 n 0 4 x transfer code See Note 2 and Table 3 22 n x Transfer code for LSS Port 2 Sets the transfer c...

Страница 26: ...lt 8358663 q When you hear a confirmation tone 3 short beeps begin programming Note The unit will exit the programming mode and disconnect if 60 seconds elapse without entry of any DTMF digits If an invalid password is entered there will be no acknowledgment The user must hang up and wait for 30 seconds before attempting to re enter the programming access mode Example of a Local Programming Sessio...

Страница 27: ... and wait for 30 seconds before attempting to re enter the programming access mode Caution If three consecutive and invalid programming access attempts are made the LSS will lock out all further access for 1 hour You cannot disable the Remote Programming feature while in Remote Programming mode Enter 50 1 to set emergency priority When you hear 3 beeps you may enter another command or exit program...

Страница 28: ...e default port usually Port 1 When the LSS recognizes the valid transfer code for Port 3 it sends an acknowledgment tone a modem answer tone to the calling modem and rings Port 3 Note The modem answer tone is used in case a Polling Controller occasionally calls the LSS The tone removes the line split at the Polling Controller You can program the LSS so that no acknowledgment tone is sent a modem a...

Страница 29: ...emote programming capability is provided When Remote Programming is enabled default enabled at the LSS options can be programmed a DTMF telephone from a remote site The default password can be changed from the remote location using a DTMF telephone Loss of Power at the LSS During a power failure telephones connected to Port 1 can receive and place calls No other features of the LSS are available E...

Страница 30: ... access the line when another port is using it Calling Party Supervision The U S telephone network typically uses Calling Party Supervision This means that even though the called party hangs up they may be reconnected to the calling party when their phone is taken off hook again The calling party must hang up in order for the called party to be fully disconnected and initiate a new call The teleph...

Страница 31: ...ther device remains active and the line is not assigned to another port If the LSS receives no response from the Polling Controller after three disconnect commands are transmitted which is the normal operation in the Standalone mode the LSS goes on hook toward the central office for several seconds to obtain a new dial tone for the calling party Privacy Timeout will not be invoked unless enabled b...

Страница 32: ...de is not received the call is routed to Port 1 and the off hook port will be left connected to the local battery feed No tones will be sent to the port Off hook Timeout at the LSS Occasionally a need to set a maximum off hook time is required The LSS allows either no limit or a programmable maximum time of up to 255 minutes per port After an off hook timeout timer expires the device connected to ...

Страница 33: ...ion tone three short beeps is returned to the user Error Tone When a command has been entered incorrectly an error tone one long beep is returned to the user Programming Timeout Remember the LSS will exit the programming mode and disconnect if 60 seconds elapse without entry of any DTMF digits Using the LSS Programming Commands Table Table 4 outlines the commands and provides information about the...

Страница 34: ...Off hook timeout Port 1 Limits the time allowed for a single call on Port 1 All units 0 255 minutes 0 disabled 20 x Off hook timeout Port 2 Limits the time allowed for a single call on Port 2 All units 0 255 minutes 0 disabled 30 x Off hook timeout Port 3 Limits the time allowed for a single call on Port 3 M 393 A B and M 394 A B only 0 255 minutes 0 disabled 40 x Off hook timeout Port 4 Limits th...

Страница 35: ...x 0 no default port 1 4 port 1 07 n x Transfer code for remote programming Sets the transfer code for remote programming Replace n with the number of digits 0 4 If you enter 0 remote programming will be disabled Valid digits for the transfer code include 1 9 0 and Note 1 n 0 4 x transfer code 1 12 n x Transfer code for LSS Port 1 Sets the transfer code for Port 1 of the LSS See Note 1 n 0 4 x tran...

Страница 36: ...MF digits If an invalid password is entered there will be no acknowledgment The user must hang up and wait for 30 seconds before attempting to re enter the programming access mode Example of a Local Programming Session Access Programming Mode see previous section Enter 21 0 to disable audible ringback on Port 2 When you hear 3 beeps you may enter another command or exit programming mode If you hea...

Страница 37: ... to set emergency priority When you hear 3 beeps you may enter another command or exit programming mode If you hear error tone re enter the command 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 ...

Страница 38: ...ct any other device that would normally be used with a LSS e g modems Access to the ports of cascaded units is also slightly different from standard operation A standard example for accessing port 3 would be by dialing the telephone number of the line connected to the C O port and then entering 33 after the first ring In a cascade configuration a delay would be placed after the first port access c...

Страница 39: ...nd access remote programming for the LSS connected to port 3 in cascade Follow the instructions in the programming chapter to program settings for the features you will use Daisy chain Operation Daisy chaining is linking a series of LSS units together through Port 1 In this type of operation the LSS units and the Polling Controller work together to route calls If you are daisy chaining the M 394 A...

Страница 40: ...s off hook Caution If one of the LSS ports is in use when you go off hook in either Total or Emergency Priority Mode the LSS will be unable to obtain network dial tone until the call disconnects or until the times out usually within 10 15 seconds If you assign No Priority to any of the LSS units calls will never be interrupted This setting is not advised for applications requiring a telephone in e...

Страница 41: ...at port q Fill in the table on the next page by assigning the transfer codes to units and ports Daisy chain Remote Programming If you are going to use remote programming in a daisy chain follow the steps below to configure the LSS units q Using 07 n x the Transfer Code for Remote Programming command assign a different remote programming transfer code to each LSS in the daisy chain q For your refer...

Страница 42: ... two digit code for the third LSS by entering 07 2 3 q After you have programmed each LSS with a Remote Programming Code follow the instructions in Chapter 4 to program settings for the features you will use Alternate Telephone Connection Note Jack B is available only on M 392 A B and M 393 A B LSS units q Installation Using Jack B Use Jack B to ensure that the LSS is the first device on the line ...

Страница 43: ...Reference Manual Chapter 6 Advanced Applications 40 400 00015 Rev F Page 35 Figure 8 Installation Using Jack B ...

Страница 44: ...y transfer codes are correct q Transformer Faulty q Check the pause duration in the dial string before sending the transfer code Standalone Too short or too long a duration will fail to transfer a call properly q Check Incoming Line Polarity Incorrect line polarity can degrade the performance of the LSS and may cause problems with certain modems To avoid this problem and maximize performance of th...

Страница 45: ...abel on the bottom of the unit Teltone RMA number All available fault information Complete shipping and billing address Repair purchase order History Old Part Number New Part Number Programmed M 392 A 4 M 392 B 01 Standalone Configuration M 392 A 5 M 392 B 02 Teltone Factory Default M 393 A 4 M 393 B 01 Standalone Configuration M 393 A 5 M 393 B 02 Teltone Factory Default M 394 A 4 M 394 B 01 Stan...

Страница 46: ...n loop current is 20 mA Unit detects on hook when loop current is 5 mA Forced Disconnect Recognition 350 mS 50 mS Port 1 4 Rotary Signaling Detection Break Interdigit Time 8 22 pps 40 to 80 300 mS min Jack A Rotary Dialing Parameters Rate Interdigit time 10 pps 60 break 740 mS 5 mS Local Battery Feed On hook voltage 40 52 volts DC Off hook local battery short circuit loop current 30 mA maximum Cal...

Страница 47: ...atory Compliance Safety United States UL 1459 Canada CSA C22 2 No 225 M90 EMC United States FCC Part 15 Class B Telecom United States FCC Part 68 Certification Number AHHUSA 73685 KX N Canada Industry Canada CS 03 Registration Number 344 4918 A FCC and Industry Canada REN 1 2B ...

Страница 48: ...01 M 394 B 02 Four port Line Sharing Switch Includes technical manual 40 400 00015 Enables four devices to share one telephone line Includes AC transformer with cord PS 24DC 01 Order 01 if previously ordered 4 02 if 5 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 One included with each LSS unit UM 110 101 Strap f...

Страница 49: ...hat the incoming call is from a facsimile machine C O D Cutoff On Disconnect This signal a momentary break of greater that 800mS is issued by the Central Office Switching Equipment to attempt a Forced Disconnect dB A decibel is a unit of measure of signal strength DTMF Dual tone multi frequency Push button telephone signaling When you touch a button on a push button pad it makes a tone actually a ...

Страница 50: ...our telephone company Off hook The telephone 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 telephone network accessible to all those with telephones and access privileges i e in the U S it was formerly ca...

Страница 51: ...7 Key telephone system 42 L LED indicators Line Sharing Switch 5 Light emitting diode 42 Line Sharing Switch basic operation 4 detailed operation 13 23 general description 2 installation 5 7 9 installation testing 7 Manual Transfer Codes 10 21 No Default Routing 10 21 ordering information 40 physical description 3 programming command format 15 25 programming commands 15 16 25 26 Remote Programming...

Страница 52: ...2 detailed operation 23 Priority total defined 11 22 detailed operation 12 23 Privacy timeout 14 24 Privacy timeout at Line Sharing Switch 23 Programming local Line Sharing Switch 18 28 remote Line Sharing Switch 19 29 Programming commands Line Sharing Switch 16 26 R Remote 42 Remote programming Line Sharing Switch 19 29 Return procedures 37 Routing codes for LSS ports 18 Routing digits received b...

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