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assumes no responsibility for inaccuracies or omissions and specifically disclaims any
liabilities, losses, or risks, personal or otherwise, incurred as a consequence, directly or
indirectly, of the use or application of any of the contents of this document. For the latest
documentation, contact your local supplier or visit us online at www.gesecurity.com.
This publication may contain examples of screen captures and reports used in daily operations.
Examples may include fictitious names of individuals and companies. Any similarity to names
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Trademarks and patentsGE and the GE monogram are registered trademarks of General Electric Company. Other trade
names used in this document may be trademarks or registered trademarks of the
manufacturers or vendors of the respective products.
Intended useUse this product only for the purpose it was designed for; refer to the data sheet and user
documentation. For the latest product information, contact your local supplier or visit us online
at www.gesecurity.com.
FCC complianceThis equipment has been tested and found to comply with the limits for a Class A digital device,
pursuant to part 15 of the FCC rules. These limits are designed to provide reasonable protection
against harmful interference when the equipment is operated in a commercial environment.
This equipment generates, uses, and can radiate radio frequency energy and, if not installed
and used in accordance with the instruction manual, may cause harmful interference to radio
communications.
Changes or modifications not expressly approved by the party responsible for compliance
could void the user’s authority to operate the equipment.
This module contains a device with FCC ID: APVCMM9900 and IC ID: 363A-CMM9900.
This is the GE NX-591E-GSM SMSXpress Module Installation Manual for model NX-591E-GSM. This
document includes an overview of the product and detailed instructions explaining:
•how to install; and
•how to program the module.
There is also information describing how to contact technical support if you have questions or concerns.
To use this document effectively, you should have a basic knowledge of electrical wiring and low-voltage
electrical connections.
1
Read these instructions and all ancillary documentation entirely before
installing or operating this product.
The most current versions of this and related documentation may be found on our website. Refer to Contacting
technical support on page 25 for instructions on accessing our online publication library.
Note: A qualified service person, complying with all applicable codes, should perform all required hardware installation.
Conventions used in this document
The following conventions are used in this document:
BoldMenu items and buttons.
ItalicEmphasis of an instruction or point; special terms.
File names, path names, windows, panes, tabs, fields, variables, and other GUI elements.
Titles of books and various documents.
Blue italic(Electronic version.) Hyperlinks to cross-references, related topics, and URL addresses.
MonospaceText that displays on the computer screen.
Programming or coding sequences.
Safety terms and symbols
These terms may appear in this manual:
CAUTION: Cautions identify conditions or practices that may result in damage to the equipment or other property.
WARNING: Warnings identify conditions or practices that could result in equipment damage or serious personal injury.
NX-591E-GSM SMSXpress Module
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Installation Manual
Product overview
The NX-591E-GSM is a microprocessor-controlled GSM interface module used to connect the NetworX series
of control panels to GSM cellular networks for event reporting. The module can be used for primary, backup,
or additional reporting when used in conjunction with the panel c ommunicator or other optional reporting
modules. Flexible event selection allows only specific messages to be reported, keeping airtime to a minimum.
The module has 14 LEDs to provide extensive diagnostic and setup information.
Website activation of new and replacement modules
You can activate and manage the module via our website address: www.gesecurity.com/GSM (Figure 1).
Figure 1. Web site
You must have a dealer account set up before you ca n proceed. If your comp any already has an account set up,
do the following:
1. At the bottom of the web page, click the activation link. The member Login screen appears.
2. At the Login screen, type your login name and password, then click Login.
3. The following options are available on the site map. If not displayed, select Site map under the main
menu.
Activate digital unit (new). This will activate the GSM module (NX-591E-GSM). Enter the serial
number of the module (located on the front of the unit). The serial number must contain 10 digits. Multiple
modules can be added from this screen.
Activate digital unit (direct swap). This will only activate a GSM module that is replacing an existing
cellemetry module. Enter the serial number of the module to be deactivated (located on the front of the
unit), and the serial number of the module to be activated. The serial number must contain 10 digits.
Multiple modules can be added from this screen.
Edit unit settings. Complete the following information based on the way you want to configure the
reporting for the module:
3
•Select the unit you have just activated.
•Add the account name to the Unit name field.
•Select your Notification Method 1.
•Change TX Retries to 8 (maximum allowed).
•Go to the appropriate field for the Method 1 that was chosen (Alpha, E-mail, or Central Station).
•If Alpha pager, the PIN is required.
•If Central Station, enter the receiver phone number and central station A/C number.
•Select a second Notification Type, if needed.
•Notification Enabled should read “Yes”.
4. Click Update.
Enrolling the module
The NetworX control panels have the ability to automatically find and store in memory the presence of all
keypads, zone expanders, wireless receivers, and any other device on the keypad buss. This allows these
devices to be supervised by the control panel. To enroll the devices, enter program mode of the NX control
panel using the procedure described in the control panel documentation. When you exit program mode, the
control panel will automatically enroll all the devices. The enrolling process takes about 12 seconds, during
which time the service LED will illuminate. When using the LCD keypad, the “Service Required” message
will be displayed. User codes will not be accepted during the enrolling process. Once a module is enrolled, if
the control panel does not detect it, the service LED will illuminate.
Module address
The GSM module has a fixed address of 76. When programming the module, enter program mode and select
the device address as 76 (see Programming on page 8).
NX-591E-GSM SMSXpress Module
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Installation Manual
Installation
To install the module you will need to mount and wire the board.
Mounting
Inside the can, several two-holed insertion points have been constructed. This allows for either vertical or
horizontal placement of the modules. The insertion points have two sizes of holes, a larger hole and a smaller
hole. The black plastic PCB guides are grooved on one edge where the PC board will be seated. The end with
the half-moon protrusion fits into the larger hole. The smaller hole is for the screw.
To mount the board, see Figure 2 and do the following:
1. Place the first black plastic PCB guide in the top insertion point, grooved edge downward. The halfmoon protrusion will be in the large hole. It does not require force.
2. Insert one of the provided screws into the smaller hole (from the inside of the can) to secure it in place.
A screwdriver should reach through the notch that runs the length of the guide to tighten the screw.
3. Position the second PCB guide opposite of the first (grooved edge up) and placed in the lower insertion
point, using the same procedure.
4. Once mounted, screw it in securely.
5. Slide the board in the grooves of both guides.
Note: Older style enclosures did not provide an exit hole for the antenna included with the GSM module. In such cases, you
must either drill a new hole (5/8 in.) on top of the can or use an optional external antenna (NX-501E-GSM).
Figure 2. Mounting the board
Wiring
Table 1 shows the maximum wire run for different wire gauges.
Table 1. Maximum wire run
Length in feetWire gauge (connected to NX control panel or NX320E power supply)
1020
5018
10016
Figure 3 shows the module wiring terminals and LEDs on the board
Figure 3. Wiring terminals
5
Board front
Tamper
J1
switch
DATA
COM
Wiring
POS
terminals
TAM
LEDs
J2
Table 2 describes the wiring terminals.
Table 2.Wiring terminals
TerminalDescription
DATAConnect to the KP DATA terminal of the panel.
DS1
DS3
DS4
DS5
DS6
XMIT
POOR
FAIR
GOOD
BEST
SVC
SVC2
RXD
TXD
Board back
COMConnect to the KP COM terminal of the panel.
POSConnect to the KP POS terminal of the panel. Refer to Specifications on page 24 for power
consumption.
TAMPERNormally closed.
NX-591E-GSM SMSXpress Module
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Installation Manual
Module LEDs
The module has 14 green LEDs along the back of the board. These LEDs provide valuable information about
the status of the module as described in Table 3.
Table 3.Module LEDs
LEDDescription
DS3 to DS6 LEDs flashing = Network failure.
DS3 to DS6 LEDs off = Normal idle condition.
(DS3 and DS4) and (DS5 and DS6) flashing alternately = Shutdown.
DS1Proper circuitry operation.
DS3On steady = Reading MINs from GSM radio.
DS4On steady = Looking for cellular service.
DS5On steady = Sending a network verification message packet to tower.
Flashing = Waiting for acknowledgement.
DS6On = Sending data message to tower.
Flashing = Waiting for acknowledgement.
XMITTransmitting message packet to tower.
POORThe LEDs will either be off, on, flashing slow, or flashing fast depending on the dB of the signal.
FAIR
GOOD
BEST
SVCCellular service available.
SVC2Two or more control channels available.
RXDReceiving data from GSM radio.
TXDSending data to GSM radio.
Refer to Table 4 on page 7 for details.
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