Janus remote communications Potswap hspa910ps Operational manual

POTSwap – HSPA910PS Version

Product User Manual

Bulletin JA16-GSM-UM

Revision P05

Date 08 Sept 2015

POTSwap User Guide JA16-UM Page 2 Rev: P05 Date: 09/08/15

TABLE OF CONTENTS

TABLE OF CONTENTS, LIST OF FIGURES and DISCLAIMER ..........................................................................................2-3

1. POTSwap General Description ................................................................................................................................. 4

2. Plug-In Terminals ........................................................................................................................................................ 4

3. Operation .................................................................................................................................................................5-6

3.1 Set-up

3.2 Voice Operation

3.2.1 Placing Calls

Manual Telephones

Automated Dialers

3.2.2 Receiving Calls

3.2.3 Call Disconnect

3.2.4 Call Unconnected Busy

3.3 Data Operation

4. Conﬁguration ......................................................................................................................................................... 7-10

5. External Interface ............................................................................................................................................... 11-14

5.1 Front Panel:

Received Signal Strength Indicator

LED Operational indicators:

POWER (RED) LED

CELLULAR (YELLOW) LED

STATUS (GREEN) LED

PUSH BUTTONS

PHONE – FXS Connector

5.2 Rear Panel:

Power connectors

Antenna connectors

Serial Port

6. SIM Card Installation ........................................................................................................................................... 15-16

7. Speciﬁcations ........................................................................................................................................................... 17

8. Compatible Terminal Block Connectors .................................................................................................................. 18

9. Ordering Information ................................................................................................................................................ 19

10. Accessories .............................................................................................................................................................. 19

11. References ................................................................................................................................................................ 19

Revision History ........................................................................................................................................................ 20

POTSwap User Guide JA16-UM Page 3 Rev: P05 Date: 09/08/15

TABLE OF CONTENTS continued

DISCLAIMER

The information contained in this document is the proprietary information of Connor-Winﬁeld Corporation and its afﬁliates (Janus Remote Communication). The contents are conﬁdential and any disclosure to

persons other than the ofﬁcers, employees, agents or subcontractors of the owner or licensee of this document, without the prior written consent of Connor-Winﬁeld, is strictly prohibited. Connor-Winﬁeld

makes every effort to ensure the quality of the information it makes available. Notwithstanding the foregoing, Connor-Winﬁeld does not make any warranty as to the information contained herein, and does

not accept any liability for any injury, loss or damage of any kind incurred by use of or reliance upon the information. Connor-Winﬁeld disclaims any and all responsibility for the application of the devices

characterized in this document, and notes that the application of the device must comply with the safety standards of the applicable country, and where applicable, with the relevant wiring rules. Connor-

Winﬁeld reserves the right to make modiﬁcations, additions and deletions to this document due to typographical errors, inaccurate information, or improvements to programs and/or equipment at any time

and without notice. Such changes will, nevertheless be incorporated into new editions of this application note.

List of Figures

Figure 1. POTSwap Block Diagram

Figure 2. Voice Operation

Figure 3. Data Operation – Modem to Server

Figure 4. Data Operation – Modem to Modem

Figure 5. Serial Connection

Figure 6. Front Panel

Figure 7. RJ11 Jack

Figure 8. Rear Panel

Figure 9. Serial Port

Figure 10. End Panel Screw Removal

Figure 11. Exposed Circuit Board

Figure 12. SIM Card Socket

Figure 13. Re-Assembled Unit

POTSwap User Guide JA16-UM Page 4 Rev: P05 Date: 09/08/15

1 POTSwap General Description

The POTSwap allows landline telephones and modems to replace their POTS (plain old telephone service)

connection with a wireless cellular connection. An internal landline modem allows legacy dial-up modem equipment

to connect to remote TCP/IP networks. Fixed location voice applications can connect directly to the PSTN (public

switched telephone network). Both dial-in and dial-out data and voice applications are supported.

An FXS connection (RJ11 jack) provides complete Central Ofﬁce emulation including dial tone, ringing and busy

signal generation as well as DTMF detection and generation. The POTSwap emulates all the functions of a wired

telephone connection, is fully compatible with all common modem standards and can be conﬁgured to emulate all

international telephone line standards.

Wireless connectivity is provided by the Janus line of Plug-In Terminus terminal modems which provide support for

all current mobile network technologies with service available from numerous wireless carriers.

Conﬁguration of the POTSwap can be achieved via a local serial interface connection.

2 Plug-In Terminus

Cellular communication for the POTSwap is powered by Plug-In Terminus terminals. Plug-In Terminus offer easy

integration and interchangeability of communication protocols between GSM/GPRS, CDMA, UMTS, EVDO and more

by combining full M2M functionality with the ﬂexibility of a standard “plug-in” DIP design. These terminals share the

same mechanical footprint and offer users the ability to conﬁgure their applications for communications via any cellular

protocol. The POTSwap provides one platform that supports current cellular technology with the future in mind.

Figure 1 POTSwap Block Diagram

POTSwap User Guide JA16-UM Page 5 Rev: P05 Date: 09/08/15

3 Operation

3.1 Set-Up:

Operating the POTSwap with voice (telephone) or data (modem) equipment can be achieved through the

following steps:

1. Gather the required equipment:

• POTSwap

• Power Supply - This can be hard-wired from a user supplied power source via the terminal block header

(See section 8 - Compatible Terminal Block Connectors) or using the optional wall transformer

(See section 10 - Accessories).

• Cellular antenna - A 5-band (‘penta-band’) GSM cellular antenna is recommended. An optional cellular

antenna is available (See section 10 - Accessories).

• The HE910PS model of the POTSwap requires an activated SIM card. Installation requires a Torx T10

screwdriver (See section 6 - SIM Card Installation).

2. Install the SIM card. See section 6 - SIM Card Installation.

3. Connect a cellular antenna to the SMA connector labeled ‘CELLULAR’. This can be a local antenna or a

remote antenna connected by a coaxial cable. (See section 10 - Accessories section.)

4. Connect power to the unit.

Once powered, the unit should show a connection to the cellular carrier within a minute. This will be indicated by

a rapidly ﬂashing GREEN ‘STATUS’ LED, a blinking ‘CELLULAR’ LED, and a steady signal strength indication on

the Received Signal Strength LED stack.

3.2 Voice Operation

Voice operation requires a standard voice telephone device to be connected to the POTSwap.

3.2.1 Placing calls:

When the connected telephone device is taken off hook, the POTSwap will present an audio dial tone signal.

Dialing can proceed with up to 30 digits being accepted. If the Dialing Tone Timeout (30 second default) elapses

before the ﬁrst digit is dialed, the dialing session is ended by an Open Switching Interval (900 millisecond default).

If the Dialing Digit Timeout (4 second default) elapses after a dialed digit, dialing is concluded and a call to the

dialed number is placed. At any time the number sign (‘#’) can be dialed and the call is placed immediatly,

avoiding the Dialing Digit Timeout. Note that if Fixed Format Dialing is enabled, the dialed number must consist of

a ten digit phone number that includes the area code, or an eleven number when the ﬁrst digit is a ‘1’.

Firmware versions earlier than 150908 only allow dialing ﬁxed format, 10 or 11 digit numbers.

Telephone devices that automatically take the phone off-hook and place a call to a ﬁxed telephone number are

compatible with the POTSwap. Dialing digits should not be sent faster than 100 ms per digit, with a minimum

DTMF tone duration of 45 ms.

The POTSwap is compatible with DTMF dialing only. Pulse dialing will not work.

TELEPHONE

MOBILE

NETWORK PSTN

CELLULAR

VOICE

TELEPHONE

POTSwap

Figure 2 Voice Operation

POTSwap User Guide JA16-UM Page 6 Rev: P05 Date: 09/08/15

3 Operation continued

3.2 Voice Operation continued

3.2.2 Receiving calls:

Incoming calls will cause the POTSwap to generate a ringing signal on the phone line. Taking the connected

telephone line off-hook will answer the incoming call. Note that cellular carriers typically impose a 30 second limit

on unanswered ringing before a call is transferred to a voice mail system.

3.2.3 Call Disconnect:

A call can always be terminated by placing the connected telephone equipment on-hook. If a cellular call

is terminated on the carrier side (the result of a connected party ending the call or due to loss of signal) the

POTSwap will use an Open Switching Interval to aid in disconnecting automated type telephone equipment. It

removes the voltage from the phone line connection for a short time to signal that the call has been terminated.

The OSI interval can be adjusted using the user conﬁguration menu.

3.2.4 Unconnected Busy:

In some instances when dialing a number that is busy, the cellular carriers will not make an audio connection

to a busy tone. If this occurs, the POTSwap will generate the busy tone locally for a period deﬁned by the user

conﬁgurable Busy Dwell Timeout parameter. Following the busy tone, the POTSwap will terminate the call by

generating an Open Switching Interval (see section 4 - Conﬁguration).

3.3 Data Operation (Future ﬁrmware feature):

Telephone modem equipment can be connected to the POTSwap for the purpose of converting a legacy landline

data connection to a cellular connection. The POTSwap can simulate the remote dialed modem and transfer the

data using a TCP/IP connection. At the remote location, an accommodation has to be made for the change in

data transport technology (dial-up modem to internet connection). While this may require modiﬁcations to the

application software, it may also be possible to support legacy applications with the use of an additional TCP/IP

to serial bridge application on the remote host.

Alternatively, legacy modem to modem communications can be achieved using a POTSwap at each end of

the connection as illustrated below. Note that all data communications requirements will be different, and

modiﬁcations to the POTSwap ﬁrmware may be required to support speciﬁc operations. Please contact Janus

Remote Communications for details.

Figure 3 Data Operation – Modem to Server

Figure 4 Data Operation – Modem to Modem

MOBILE

NETWORK

CELLULAR

DATA

SERVER

POTSwap

INTERNET

MODEM

MOBILE

NETWORKS

& INTERNET

CELLULAR

DATA

POTSwap

MODEM MODEM

POTSwap

CELLULAR

DATA

POTSwap User Guide JA16-UM Page 7 Rev: P05 Date: 09/08/15

4. Conﬁguration

Conﬁguration of the POTSwap is available via communications with the SERIAL PORT connection. Conﬁguration can

be accomplished by connecting a DTE terminal device (e.g. laptop or desktop computer running a terminal emulator)

to the SERIAL port using a straight-thru DB9 serial cable (DB9-M to DB9-F). Newer computers may require a USB to

serial port adaptor to complete the connection.

Figure 5 Serial Connection

Default communications protocol is 115200 baud, 8-N-1 (8 data bits, no parity, 1 stop bit) with no handshaking.

When the POTSwap is ﬁrst powered on, it will output something similar to the following:

WireLine II Board - POTSwap

Audio via digital interface DVI, PCM to SLIC

HE910 Power-Up Mode

Board has SiLabs Wire Line Modem

E911 Voice Calling where system/conguration permit/allow,

Installer responsible for validation of service

WireLine_Open

7 Speaker Level

4 Microphone Level

1 Echo Cancellation

25 Transport Mode

1 TTY Mode

900 Open Switching Interval

30000 Dialing Tone Timeout

4000 Dialing Digit Timeout

6000 Busy Dwell Timeout

0 Fixed Format Dialing

2 ADC Gain

4 DAC Gain

2 Loop Current Limit

0 Loop Closure Sensing Type

8 Loop Closure Threshold

Included in this output are the current conﬁguration settings. Several of these parameters are user conﬁgurable and

can be adjusted by entering the CONFIG command during the power-up sequence.

About 15 seconds following the application of power, the unit offers a short interval wherein the user can enter the

terminal conﬁguration menu. The following text will be output:

WireLine II Board - POTSwap

Entering Terminal Mode, 10 seconds to type rst command

Type ? for help, Q to exit

FW: HH:MM:SS MTH DY YEAR

READY

At this point the user has 10 seconds to enter one of the following commands followed by a line termination (‘Enter’

key on PC’s):

POTSwap User Guide JA16-UM Page 8 Rev: P05 Date: 09/08/15

4. Conﬁguration continued

TERMINAL MENU COMMANDS

COMMAND FUNCTION

?, H Outputs the current menu options.

Q, QUIT Exits the menu and causes the POTSwap to proceed with the normal operation.

DEBUG xx Factory use only

DUMP Adr Len Factory use only

XMODEM Download upgrade binary

REBOOT Restart Application

CONFIG Conﬁgure Settings

IDENTIFY Display Cellular IMEI (International Mobile station Equipment Identity) and phone number

These commands are NOT case sensitive. Terminal menu commands operate as follows:

?, H: Entering a ‘?’ or ‘H’ character will output the Terminal menu command menu again. It can be useful if the

menu has scrolled off of a screen.

Q ,QUIT: Entering ‘Q’ or ‘QUIT’ will exit the DEBUG menu and continue with the normal start-up and operation of

the POTSwap.

DEBUG xx: DO NOT USE - Factory use only.

DUMP Adr Len: DO NOT USE - Factory use only.

XMODEM: Used for ﬁrmware upgrades.

REBOOT: Entering ‘REBOOT’ will restart the POTSwap, similar to pressing the RESET button.

CONFIG: Entering ’CONFIG’ will cause the conﬁguration menu to be output:

Janus Remote Communications - WireLine II Board - POTSwap Conguration

=======================================================================

Microphone Level [4] 0-7

Speaker Level [7 ] 0-14

Echo Cancellation [1] 0-1

Open Switching Interval [900 ] 0-1200 ms

Dialing Tone Timeout [30000] 500-60000 ms

Dialing Digit Timeout [4000 ] 250-15000 ms

Busy Dwell Timeout [6000 ] 1000-30000 ms

Fixed Format Dialing [0] 0-1

GSM Transport Mode [25] 12,22,25

GSM TTY Mode [1] 0-1

SLIC ADC Gain [2] 0-8

SLIC DAC Gain [4] 0-8

Loop Current Limit [2] 0-7

Loop Closure Sense Type [0] 0-1

Loop Closure Threshold [8 ] 0-63

Press M=Modify, D=Defaults, X=Exit and Save, Q=Quit and Discard

The conﬁguration menu lists the name of the parameter, the current setting (in brackets), and the range or values

of settings available. These settings may vary depending on the model of Plug-In Terminus terminal used in the

POTSwap. Following the list of parameters are options for changing the conﬁguration settings or leaving this menu:

M, D, X, and Q. These single character command options can be entered in upper or lower case, and no enter key is

required.

POTSwap User Guide JA16-UM Page 9 Rev: P05 Date: 09/08/15

4. Conﬁguration continued

CONFIGURATION COMMANDS

COMMAND FUNCTION

M – MODIFY Enter the parameter modiﬁcation menu.

D – DEFAULTS Set all parameters to their default (factory) value.

X – EXIT AND SAVE Save changes and exit the conﬁguration menu.

Q – QUIT AND DISCARD CHANGES Discard changes and exit the conﬁguration menu.

M – MODIFY Commands:

Entering an ‘M‘ command will cause the current setting for each parameter to be output, and allows changing the

parameter setting. Currently, the following parameters can be modiﬁed:

CONFIGURATION PARAMETERS

PARAMETER DEFAULT RANGE FUNCTION

Microphone Level 4 0-7 Sets the outbound audio gain

Speaker Level 7 0-14 Sets the inbound audio gain

Echo Cancellation 1 0-1 Enables the Echo Cancellation feature

0 = Echo Cancellation disabled

1 = Echo Cancellation enabled

Open Switching Interval 900 0-1200 Sets the period that the battery voltage is removed from the

(milliseconds) telephone line following the termination of a call from the

carrier side, a dialing timeout, or a locally generated busy

tone. (AKA Kewlstart.)

Dialing Tone Timeout1 30000 500-60000 Sets time limit for ﬁrst dialing digit to be entered following going

(milliseconds) off-hook. Exceeding the time limit will cause Open Switching

Interval to be generated.

Dialing Digit Timeout1 6000 250-15000 Sets time limit for time between entering dialing digits.

(milliseconds) Exceeding the time limit will cause Open Switching Interval to

be generated.

Busy Dwell Timeout1 6000 1000-30000 Sets length of time a busy tone is generated locally on calls

(milliseconds) where the cellular carrier does not provide an audio connection

to a busy tone. The Open Switching

Interval will be generated following the busy tone.

Fixed Format Dialing4 0 0-1 Enables Fixed Format dialing. When set to ‘1’ (enabled), only

10 digit (or 11 digits when ﬁrst digit is a ‘1’) dialing and 911

dialing is allowed.When set to ‘0’ (disabled), any number of

dialed digits is accepted once the Dialing Digit Timeout is

exceeded. Dialing the number sign (‘#’) short-cuts the Dialing

Digit Timeout and immediatly accepts the dialed digits.

GSM Transport Mode 252 12,22,25 Selects network:

12 = GSM

22 = UTRAN

25 = GSM and UTRAN

Use 12 = GSM for best in-band

DTMF performance.

GSM TTY Mode 1 0-1 TTY MODE enable

0 = TTY mode disabled

1 = TTY mode enabled

Improves in-band DTMF transport under

certain circumstances

SLIC ADC Gain 2 0-8 Sets outbound audio gain during the initial outbound DTMF

dialing. Corrects for distortion using some auto dialers.

POTSwap User Guide JA16-UM Page 10 Rev: P05 Date: 09/08/15

4. Conﬁguration continued

CONFIGURATION PARAMETERS continued

SLIC DAC Gain 4 0-8 Sets inbound audio gain. Should be set at 4.

Loop Current Limit4 2 0-7 Sets the telephone loop current limit, from 20mA (0) to 41mA (7)

in 3mA steps. Default is 26mA (2).

Loop Closure Sensing Type3 0 0-1 Sets loop closure (off-hook) sensing type.

0 = current sensing

1 = voltage sensing

Use 0 (current sensing) for applications using ringer loads of

REN=1 or less. Use 1 (voltage sensing) for ringer loads of

REN>1, up to REN=5.

Loop Closure Threshold3 8 0-63 Sets loop closure (off-hook) sensing threshold.

Current sensing: 1.27 ma/unit (e.g. ‘8’=10.26 mA)

Voltage Sensing: 1.45 V/unit (e.g. ‘10’=14.50 V)

Recommended settings:

REN<=1: Current sensing; threshold=8 [default]

For REN>1 to REN=5: Voltage sensing; threshold=10

Notes:

1. Available on ﬁrmware versions 140725 and higher

2. 12 on ﬁrmware versions 131011 and lower

3. Available on ﬁrmware versions 140207 and higher

4. Available on ﬁrmware 150908 and higher.

D – DEFAULTS Command:

Entering the ‘D’ command will change all of the settings back to the factory defaults. These settings will not be

saved unless the ‘X’ Exit and Save command is issued. Older versions of ﬁrmware will request that the POTSwap

be restarted to effect the changes; current versions will restart automatically.

X – EXIT AND SAVE Command:

Entering the ‘X’ command will save any changes made using the ’M’ Modify or ‘D’ Defaults commands. This will

also exit the menu system and requires that the POTSwap be restarted either by pressing the RESET push button

or by un-powering and re-powering the unit.

Q – QUIT AND DISCARD Command:

Entering the ‘Q’ command will discard any changes made using the ’M’ Modify or ‘D’ Defaults commands. This

will also exit the menu system and requires that the POTSwap be restarted either by pressing the RESET push

button or by un-powering and re-powering the unit.

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