Janus Potswap hspa910ps Operational manual

POTSwap™ – HSPA910PS v1.00

Product User Manual

Bulletin JA16-GSM-UM

Revision P09

Date 03 Jan 2018

POTSwap v1.00 User Manual JA16-UM Page 2 Rev: P09 Date: 01/03/18

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

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. GPS ................................................................................................................................................................... 17

8. Speciﬁcations ........................................................................................................................................................... 18

9. Compatible Terminal Block Connectors .................................................................................................................. 19

10. Ordering Information ................................................................................................................................................ 20

11. Accessories .............................................................................................................................................................. 20

12. References ................................................................................................................................................................ 20

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

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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. Serial Connection

Figure 4. Front Panel

Figure 5. RJ11 Jack

Figure 6. Rear Panel

Figure 7. Serial Port

Figure 8. End Panel Screw Removal

Figure 9. Exposed Circuit Board

Figure 10. SIM Card Socket

Figure 11. Re-Assembled Unit

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1 POTSwap General Description

The POTSwap allows landline telephones to replace their POTS (plain old telephone service) connection with a

wireless cellular connection. 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

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3 Operation

3.1 Set-Up:

Operating the POTSwap with voice (telephone) 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 9 - Compatible Terminal Block Connectors) or using the optional wall transformer

(See section 11 - Accessories).

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

antenna is available (See section 11 - Accessories).

• GPS antenna - On units equiped with a GPS antenna connector, a GPS antenna may be connected.

(See section 11 - Accessories)

• The HSPA910PS 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. The HSPA version POTSwap requires a mini (2FF size) 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.

4. [Optional] Connect a GPS antenna to the SMA connector labeled ‘GPS’. (See Section 7 - GPS.)

5. 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.

Figure 2 Voice Operation

Mobile

Network PSTN

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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).

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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 3 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 - [FIRMWARE VERSION]

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

0 Fail Over Mode

2 ADC Gain

4 DAC Gain

2 Loop Current Limit

0 Loop Closure Sensing Type

8 Loop Closure Threshold

The ﬁrst line will contain the version number of the ﬁrmware in a YYMMDD (year, month, day) format. Following this

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

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4. Conﬁguration continued

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):

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

Fail Over Mode [0] 0-2

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.

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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.

Fail Over5 0 0-2 Dial tone availability:

0 - Any network availability, including emergency (911) ONLY.

1 - Home network registration

2 - Home or Roaming registration

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.

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4. Conﬁguration continued

CONFIGURATION PARAMETERS continued

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.

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.

5. Available on ﬁrmware 160714 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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5. External Interfaces

5.1 Front Panel

Received Signal Strength Indicator

A stack of 4 green LED’s on the left side of the front panel indicate the relative signal strength of the cellular radio

signal. It is analogous to the ‘bars’ display on a cellular telephone handset.

RSSI INDICATOR

LED’s ILLIMINATED SIGNAL STRENGTH RSSI (dBm)

4 Excellent -73 or better

3 Good -83 to -74

2 OK -93 to -84

1 Marginal -109 to -94

If no signal is detected, the LED’s on the stack alternately illuminate from bottom to top and back in a ‘scanning’ manner.

GPS INDICATOR

The bottom (#1 ‘Marginal’) LED on the RSSI indicator will blink several times for 1 second every 10 seconds to

indicate a GPS location ﬁx is available. This indication is independent of the cellular signal strength indication. See

section 7 - GPS.

LED Operational indicators

LED LED COLOR INDICATION

POWER Red Power status

CELLULAR Yellow ellular radio status

STATUS Green System status

General status conditions can be inferred as follows:

Green and Yellow LED continuously ON: during initialization

(following the application of power or a manual RESET).

Yellow LED blinks every 2.5s – wireless registered on network.

Yellow LED ON - when cellular call connected.

Green LED fast blink - when on hook (no call in progress)

Green LED - ON when off hook (during call)

POWER (RED) LED

LED STATUS INDICATION

ON System is powered

OFF System has no power

Blinking System Fault

Figure 4 Front Panel

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5. External Interfaces continued

CELLULAR (YELLOW) LED:

LED STATUS CELLULAR RADIO

OFF Off

ON Not registered - or - Call active

Blinking 1sec on + 2 sec off Registered in idle

* When the CELLULAR LED stays on (not registered) for more than a few minutes after powering the POTSwap, it is usually an indication of a poor

antenna connection or a problem with the activation on the cellular network. Check that the SIM card is properly installed and that it has valid

activation with a cellular carrier.

STATUS (GREEN) LED

LED STATUS INDICATION

ON Phone line 9RJ11) is OFF-HOOK (also during initialization)

Blinking fast (12.5 Hz) Phone line (RJ11) is ON-HOOK

Blinking slow (1 Hz) Initializing

PUSH BUTTONS

Three push buttons are provided on the front panel of the POTSwap. These can be operated with a small diameter

object such as a paperclip. There is tactile feedback that indicates when the push button has been operated.

Applying pressure to the push buttons beyond the point at which they actuate can damage the switch.

Currently the SELECT and MODE push buttons are not supported. The RESET push button performs the same

function as powering the unit off and then on; the conﬁguration parameters are not affected.

PUSH BUTTON FUNCTIONS

PUSH BUTTON FUNCTION

SELECT Future Use

MODE Future Use

RESET System Restart

PHONE – FXS Connector:

Figure 5 RJ11 Jack

A standard RJ11 jack (6P2C – 6 position 2 conductor) supports the landline telephone interface.

This jack simulates what would be provided by a land-line based telephone central ofﬁce, including power, ringing

signal and voice transport.

Any standard telephone device can be connected to this connector.

Under no circumstances should the PHONE – FXS connector be connected to

another powered telephone line – e.g. a telephone wall jack or PBX line.

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5. External Interfaces continued

5.2 Rear Panel

Figure 6 Rear Panel

Figure 7 Serial Port

Power connectors:

Two types of power connector are provided on the POTSwap. These two connectors are connected directly

together internally, and are simply provided as a user convenience.

DO NOT APPLY POWER TO BOTH CONNECTORS SIMULTANEOUSLY

The negative terminal of the power supply is connected to the enclosure.

Power supply range can be found in the Speciﬁcations section.

Terminal Block Header: This is an industry standard 5.08 mm header that accepts a variety of terminal blocks,

including screw terminal, spring clamp and crimp terminal type. See Section 9 – Compatible Terminal Block

Connectors.

Circular Jack: The circular DC jack has a 6 mm hole diameter and a 2 mm center pin. It is designed to accept

a 5.5 mm diameter plug with a 2.1 mm center hole and a 8.5 mm barrel length. The center pin is the positive

terminal.

Antenna Connectors:

CELLULAR: A standard 50 ohm SMA connector is provided for connecting a cellular antenna. The placement of

the antenna affects connectivity; a remote antenna location may be necessary in some situations.

GPS: A standard 50 ohm SMA connector is provided for connecting a GPS antenna. The GPS connector is

available on the HSPA910PS ‘TAGFNG’ version, and requires ﬁrmware version 160714 to operate. See section

7 - GPS.

The GPS connector provides a 2.85V bias voltage for active antennas.

Serial Port:

The female DB9 connector is conﬁgured as DCE (Data Communications Equipment) and provides a data path for

user conﬁguration, ﬁrmware uploads and debug support.

543 2 1

6

7

8

9

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5. External Interfaces continued

5.2 Rear Panel continued

SERIAL PORT PINS

PIN NUMBER FUNCTION NEMONIC DIRECTION

1 CARRIER DETECT CD OUTPUT

2 RECEIVED DATA RX OUTPUT

3 TANSMITTED DATA TX INPUT

4 DATA TERMINAL READY DTR INPUT

5 GROUND GND -----

6 DATA SET READY DSR OUTPUT

7 READY TO SEND RTS INPUT

8 CLEAR TO SEND CTS OUTPUT

9 RING INDICATOR RI OUTPUT

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

SERIAL COMMUNICATION PROTOCOL:

PARAMETER SETTING

Baud rate 115200

Data bits 8

Parity bit None

Stop bits 1

Handshaking None

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6. SIM Card Installation

The POTSwap model HSPA910PS requires the installation of an activated SIM card for operation. The SIM card

installation can be performed as follows:

Requirements:

• POTSwap containing a Plug-In Terminus with SIM card socket (model HSPA910PS).

• Mini (2FF size) SIM card

• T10 TORX screwdriver

Procedure:

1. Disconnect all external cables from the POTSwap. Remove the four TORX (T10) screws from the rear

enclosure panel (the end that contains the POWER and SERIAL PORT connectors).

2. Slide the circuit board out of the case.

Figure 8 End Panel Screw Removal

Figure 9 Exposed Circuit Board

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6. SIM Card Installation continued

3. With the circuit board exposed, the SIM card socket is on the cellular radio module. Slide the card holder

(the top section of the SIM card socket) towards the outer edge of the POTSwap to unlock it (as shown in the

ﬁgure below). The card holder is hinged on the outer edge - lift it up and slide the SIM card into the holder, ﬂat

end ﬁrst, chamfered end up. The gold contacts on the SIM card will face down when the SIM card holder is

closed. Slide the card holder towards the center of the POTSwap to lock the card in place.

4. Slide the board back into the enclosure making sure that the front panel components align properly with the

enclosure openings. Install the four TORX screws and tighten.

Figure 10 SIM Card Socket

SLIDE TO

UNLOCK

Figure 11 Re-Assembled Unit

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7. GPS

7.1 GPS Operation

POTSwap models have a GPS antenna connector installed on the back plate and offer the ability to provide enhanced

location information to emergency (911) operators. A suitable GPS antenna must be used and the antenna must be

properly located to receive the GPS signals.

The GPS operation is automatic, and is independent of the cellular radio operation. When the unit has acquired a

GPS location ﬁx, the bottom LED on the RSSI indicator will blink several times for 1 second at 10 second intervals.

This indication is independent of the cellular signal strength indication. See section 5.1 – Front Panel. A GPS location

ﬁx should be available within a few minutes of operation under normal conditions.

7.2 GPS Antenna

For best results, it is recommended that an active GPS antenna be used with the POTSwap. The GPS antenna

connector provides a 2.85V bias voltage to power an active antenna, and should easily be able to supply the 5 to

25mA of current that a typical active GPS antenna requires. Any standard off-the-shelf active GPS antenna that will

operate at the 2.85V bias voltage should sufﬁce. See section 11 – Accessories.

7.3 GPS Antenna location

The ideal GPS antenna position would be an outdoors location with a clear view of the sky to the horizon in all

directions, with no obstructing structures or foliage. A higher antenna placement usually gives a better view of the

sky over surrounding obstructions. In the northern hemisphere, a southern sky view is preferable over a northern

sky view. If the antenna must be indoors, placement as near as possible to a window is preferable. Receiving a GPS

location ﬁx deep inside buildings or in dense urban environments (“street canyons”) is normally not possible.

7.4 GPS Troubleshooting

With a terminal attached to the SERIAL port, debug messages are available that can be used to monitor the GPS

operation. See section 4 – Conﬁguration, for information on attaching a terminal to the SERIAL port.

There are several types of debug messages output during normal operation. The message with the GPS information

includes “$GPSACP:” near the beginning of the output line, and is output about once per minute. The $GPSACP

message conveys 11 terms, separated by commas:

UTC UTC time (hhmmss.sss)

latitude format is ddmm.mmmm N/S

longitude format is ddmm.mmmm E/W

hdop x.x - Horizontal Diluition of Precision

altitude x.x Altitude - mean-sea-level (geoid) in meters

x 0 or 1 - Invalid Fix; 2 - 2D x; 3 - 3D x

cog ddd.mm - Course over Ground (degrees, True)

spkm x.x Speed over ground (Km/hr)

spkn x.x- Speed over ground (knots)

date ddmmyy Date of Fix.

nsat nn - Total number of satellites in use, 00..12

The ﬁnal term can be used to provide some useful information about the quality of the GPS antenna system being

used. Generally, the better the antenna system, the greater the number of satellites will appear in the ‘nsat’ term.

Though it varies over time, the typical maximum number of satellites available is 10. A minimum of 4 is required to

get a location ﬁx, and numbers of 8 or more indicate an excellent antenna system.

With no location ﬁx, the $GPSACP message will appear as follows:

[$GPSACP: ,,,,,1,,,,,]

This would be expected after the unit has powered up but before a location ﬁx is aquired. It would also be indicative

of a poor antenna system if it was still being reported after several minutes of operation.

A typical ﬁx might appear similar to the following:

[$GPSACP: 183117.000,4147.6251N,08815.5097W,1.25,191.0,3,191.69,0.12,0.06,290716,07]

In this example the ‘nsat’ term indicates that 7 satellites are being used.

POTSwap v1.00 User Manual JA16-UM Page 18 Rev: P09 Date: 01/03/18

8. Speciﬁcations

Interfaces

Parameters Description

Modem/Telephone RJ11 connector (FXS)

Serial DB9 female DCE connector (user terminal interface for conﬁguration and ﬁrmware upload.

Cellular Antenna SMA connector, 50 ohms.

GPS Antenna 50 ohm SMA w/ 2.85V bias (on TAGFNG models only)

Power Input 7-15 Vdc; 22W with two input alternatives:

-- 6mm DC power jack with 2mm center pin positive

-- 5.08mm (0.200”) terminal block header (accepts screw clamp

and crimp connector type terminal blocks)

Features

Parameters Description

SLIC Performs all BORSCHT functions:

Battery supply to subscriber line

Overvoltage protection

Ringing current supply

Supervision of subscriber terminal

Coder and decoder

Hybrid, 2 wire to 4 wire conversion

Testing

DTMF encoding and decoding

REN=5 at 100 ft. (30m)

Voice Voice over cellular

Cellular Connection HSPA910PS model supports GSM/GPRS/EDGE and WCDMA/HSPA.

Frequency Bands: GSM / GPRS / EDGE: 850, 900, 1800, 1900 MHz

UMTS / HSPA: 800/850, 900, AWS1700, 1900, 2100 MHz

SIM Card Mini (2FF size) SIM card

Push Buttons SELECT, MODE, and RESET

LEDs Power, Status, Cellular Link and Signal Strength

Dimensions (L x W x D) 6.5 in (165mm) x 5.2 in (132mm) x 1.2 in (30mm)

Weight 15 oz (425 g)

Mounting Integrated mounting brackets (optional)

Environmental

Parameters Description

Operating Temperature -40° C to +60° C (-40° F to 140° F)

(Note: Operating temperature may be further limited by speciﬁc Plug-In Terminus terminal)

Relative Humidity 5% to 95% (non-condensing)

POTSwap v1.00 User Manual JA16-UM Page 19 Rev: P09 Date: 01/03/18

9. Compatible Terminal Block Connectors

The POTSwap has a 0.200” terminal block header, also referred to as a 5.08 mm Eurostyle connector. It supports a

variety of plug-in terminal block types, including screw terminal, spring contact and crimp terminals.

Manufactures for these terminal blocks include:

• Camden Electronics

• FCI Electronics

• Molex

• OST (On Shore Technology)

• Phoenix Contact

• TE Connectivity (Tyco/Buchannan)

• Weidmüller

• Würth Elektronik

Below is a small sample of compatible connectors:

TYPE MANUFACTURER PART NO. DESCRIPTION

Screw Terminal

TE Connectivity1 796634-2 vertical screw, horizontal plug

TE Connectivity 1986484-2 horizontal screw, vertical plug

Molex 395300002 vertical screw, horizontal plug

Molex 395332002 horizontal screw, vertical plug

Weidmuller 1943580000 vertical screw, horizontal plug

Spring Clamp

Weidmuller 1013680000 orange

Weidmuller 1013430000 black

Crimp Housing & Contacts

TE Connectivity 1986160-2 crimp housing, green

TE Connectivity 965901-1 crimp terminal, 20-17 AWG

TE Connectivity 965899-1 crimp terminal, 13-17 AWG

Weidmuller 1610490000 crimp housing, orange

Weidmuller 1711960000 crimp housing, black

Weidmuller 1604250000 crimp contact, 24-22 AWG

Weidmuller 1567060000 crimp contact, 20-17 AWG

Weidmuller 1567070000 crimp contact, 16-14 AWG

Note:

1 - This component is available from Janus Remote Communications. See ‘TERMINAL BLOCK’ in Section 10.

10. Ordering Information

POTSwap MODEL DESCRIPTION

HSPA910PS v1.00 TAUVNG HSPA+/UMTS/EDGE/GPRS/GSM (AT&T and PTCRB)

EVDO910PS v2.00 TAUVNG EV-DO (Sprint)

EVDO910PS v3.00 TAUVNG EV-DO (Verizon)

11. Accessories

The following accessories are available from Janus Remote Communications:

ACCESSORY DESCRIPTION JANUS STORE PART

NUMBER

POWER SUPPLY Wall transformer with circular DC connector, 12V 2A MC-0004

CELLULAR ANTENNA Indoor 5-band GSM/CDMA/UMTS 3G ANT-0003

GPS ANTENNA Active Antenna, Magnetic Mount, Waterproof, 10 ft. SMA ANT-0030

12. References

JA03-UM - Terminus Plug-In Products User Manual

Revision History

Revision Revision Date Note

P00 11/23/13 Preliminary POTSwap User Manual Release

P01 03/03/14 Overall Product Update/Changes

P02 05/08/14 Updated to GSM Version Only (HSPA910PS)

P03 08/19/14 Updated Voice Operations and Conﬁgurations

P04 08/11/15 Update to Enclosure and Dimensions

P05 09/05/15 Operation, Conﬁguration & Interfaces

P06 08/01/16 Added GPS Information

P07 08/31/16 Added SIM Card Size

P08 07/13/17 Added v2.00 EVDO version to Ordering Information

P09 01/03/18 Updated Part Numbers and Accessories

POTSwap™ – HSPA910PS v1.00

Product User Manual

Division of The Connor-Winﬁeld Corporation

2111 Comprehensive Drive • Aurora, Illinois 60505

630.499.2121 • Fax: 630.851.5040

www.janus-rc.com

Accessory Kit available at Store

POTSwap is a registered trademark of Janus.

See website for latest revision. Not intended for life support applications.

Janus POTSwap HSPA910PS Operational manual

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