NetGuardian DX User Manual (D-OC-UM04C.14100) released. The material in this manual is for information purposes and is subject to change without notice. DPS Telecom shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing, performance or use of this manual.
Table of Contents Net Guardian Expansion Table of Contents Visit our website at www.dpstele.com for the latest PDF manual and Net Guardian FAQs. Fig. 1 – Up to three Net Guardian Expansions can be added to a Net Guardian 832A, providing 144 additional alarm points. Overview Chapter 1 .
Overview • Summary of Features Overview Chapter 1 Summary of Features • Low cost method of expansion to existing Net Guardian 832A units (SNMP and DCPX versions) • Gives additional capacity over existing communication lines • Helps conserve T/MonXM or IAM ports by reporting more alarms to the same address •...
Operating temperature: 0º – 60ºC (32º – 140ºF) Power input: –43 to –53 VDC Fuse: 1/4 amp GMT Current Draw: 140mA Interfaces: RS232 Protocol: DCPX Minimum Net Guardian Firmware version required: v1.5D Options and Model numbers Model number: D-PC-293-10A...
Installation • Mounting Instructions 2.3.3 Mounting Instructions The Net Guardian Expansion can be mounted in a 19” or a 23” inch rack by using different rack ears for each size. Attach the appropriate size ears for your rack in the flush-mount or rear-mount locations shown in the figures below.
Installation • Power Connection 2.3.4 Power and Ground Connection The NetGuardian Expansion offers screw lug barrier plugs for easy and convenient power connection. Additionally, dual power feeds are available, providing an alternate power source in case backup power becomes necessary (optional). The expansion units will automatically draw from the alternate power source in the event the primary power source becomes unavailable.
Installation • Communication Lines 2.3.5 Communication Lines 1. Connect one end of the M-M DB9 cable to reach through port number 7 (of the 8) located on the Net Guardian back panel. 2. Connect the other end of the M-M DB9 cable to the “DX In” port of the Net Guardian Expansion (See figure below).
Installation • Shelf Addressing 2.3.5.1 Net Guardian Expansion Addressing To distinguish Net Guardian Expansion Shelf 1 (and Shelves 2 and 3 if applicable), a DIP switch address setting is used. The DIP switches use binary settings and are addressed as 1, 2, and 3 respectively. To verify the shelf address, push and hold the ACK button on the front panel.
Installation • Fuse Alarm Pins and Control Relays Pinouts 2.3.7 Fuse Alarm Pins and Control Relays Pinouts Fuse Alarm The fuse alarm relay is Normally Open. If the fuse blows, the fuse alarm (FA) LED will light and the fuse alarm relay (FA RLY) will de-energize (close).
Installation • Changing Jumper Options 2.3.7.1 Changing Jumper Options You can change the settings for analog alarm inputs and control relays by resetting the jumpers on the NetGuardian's circuit board. To open the unit and expose the circuit board, remove the screws from the top of the NetGuardian and lift the top cover off.
Installation • Software Provisioning Software Provisioning For front panel craft port configuration, see section 2.4.1. For Web Browser configuration via LAN, see section 2.5. 2.4.1 Front panel craft port configuration Once the Net Guardian Expansion is connected to the Net Guardian 832A, the Net Guardian 832A must be con- figured to access the Net Guardian Expansion functions.
Installation • Software Provisioning 2.4.2 Provisioning the Expansion Alarm Points Now that the Net Guardian is configured for the correct number of expansions connected to it, the 48 discrete alarm points on each expansion can be provisioned with a description, polarity, pager IDs, and other options. 1.
Installation • Software Provisioning 2.4.3 Monitoring the Expansion Alarm Points Now that the Expansion points have been provisioned with all of the appropriate information, they may be moni- tored. (This is helpful to verify the installation.) 1. From the main menu, select C)onfig, then M)onitor, then A)larms, then E)xpansions. Enter the display number that you would like to monitor (12=Expansion shelf 1, 14=shelf 2, and 16=shelf 3, see section 3.2 for display mapping details).
Installation • Web Browser Configuration Web Browser Configuration The Net Guardian offers Web Browser configuration for easy and convenient setup of the discrete alarms. The Net Guardian supports Internet Explorer versions 4.0 and up and Netscape Navigator versions 4.7 and up. 2.5.1 Logon 1.
Installation • Web Browser Configuration 2.5.2 Edit - Base Alarms All 48 discrete alarms (per unit) can be configured using this menu. Description of the alarm point, polarity (nrm/rev), whether to use an SNMP Trap or not; and the primary/secondary pager to use report the alarm are con- figured in this submenu.
Installation • Web Browser Configuration 2.5.3 Viewing Base Alarms This selection provides the status of the system’s Base Alarms by indicating if an alarm has been triggered. Under the “State” heading, the word “Alarm” will appear in red if an alarm has been activated. Select the Base Alarms...
Operation • Front Panel Functions Operation Chapter 3 Front Panel Functions Fig. 3.1 – The Front panel displays alarm and communication status. Label Descriptions 1. ACK button. The ACK button will acknowledge any new alarms (change of state (COS) alarms). It will also cause the shelf address (determined by the back panel DIP switch) to be displayed by LEDs 1-3 when it is held down.
Operation • Display Mapping Display Mapping Display numbers 1 through 11 in table 3.2a correspond to the Net Guardian 832A and Display numbers 12 through 17 (in bold) correspond to the Net Guardian Expansion unit. Tbl. 3.2a - Net Guardian 832A with Net Guardian Expansion Display Mapping. Display Description Alarms 1-32...
Warranty DPS Telecom warrants, to the original purchaser only, that its products a) substantially conform to DPS’ published specifications and b) are substantially free from defects in material and workmanship. This warranty expires two years from the date of product delivery with respect to hardware and ninety days from the date of product delivery with respect to software.
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