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Security and Access Control FAQ

Please view the FAQ’s below in regards to Mircom Security and Access Control.

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TX3 Card Access

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  • Communication Signal/Noise issue (see U5 below) for RS485 ;
  • Ensure that Network cabling have proper one-to-one pin assignments as per T568A or T568B pin outs; and
  • Ensure that the network does not have through-put issues or network bottle-necks.
  • Ensure that the full configuration and updated time and date has been individually sent to the panel upon firmware update or after schedule update;
  • Ensure that the access point’s “auto-unlock schedule” is not set to “Never”;
  • Ensure that the date/time for the panel has been set correctly;
  • Ensure that the scheduling is split into two periods for schedules with times after midnight; and
  • Ensure that the firmware to the controller is up-to-date.
  • Set the date/time for the panel to today’s time and date from the monitoring section;
  • The unit did not receive its full configuration file. Individually send the full file to the unit, after updating the time and date;
  • Ensure that there is only one unique card ID#, FC# and not two. In most cases, the configurator would dis-allow multiple card entries. However corrupted files may be too corrupted to distinguish identical card IDs.
  • Controller registries of last update entries are not registering- communication issue.
  • Verify that you properly connected the RS485 line to each panel units and that no lines are crossed;
  • Ensure that EOL (End of Line) resistors are property terminated on the RS485 network; and
  • Visit U5, below for more information on network RS485 stability.

Use dipswitch setting on back of the HUBs to RS485 configure the HUBs, press refresh; NOTE: Use dipswitches for the HUBS to organize the RS485 HUB addresses;

This is likely caused by Line Noise. To fix this, check the following:

  • Verify that all units have proper RS485 connections and that no stubs are used on the RS485 lines preventing thorough data updates;
  • Verify that all units have proper Beldon RS485 cabling;
  • Verify that there are no in ground- loops (cable shield should be tied to one end only and that no shields are connected to the middle RS485 connector;
  • All communication grounding; cable shields; are one-point tied to a quiet ground point;
  • Verify that all communication hubs (for large aggregate communication equipment points) are mutually tied together with the appropriate AWG cable (14-12 AWG/Stranded) to a common building bond point as per NEC part 68 requirements;
  • Ensure that all power grounds for these aggregate Hubs are tied to one common neutral point;
  • Ensure that there are no stubs feeding from the Bus line;
  • Verify that the RS485 lines are not too long (maximum of 1.2KM (for two nodes)- too <500M for more than 15 nodes);
  • Verify that End-Of-the-Line ( EOL) connectors are connected at either end to reduce line noise when transmitting; and
  • Verify that the IP network has no through-put issues.
  • Ensure that the Card Access panel has a TX3-IP module board installed on the main control board;
  • Connect the panel to the network;
  • Port forward the panel’s IP address and Port :14000-14003 for that panel within the router (must enable both TCP & UDP);
  • Write DNS_name/Router’s global IP address: ”External Port” within the IP address field For more, please see Instruction Manual
  • Verify Hub RS485 communication with the TX-CX-A-8 panel. Light indicator should be double green flashing, (indicating communicating with Lockset and controller);
  • – If previous is true, then relocate the lockset near the Hub. Fresh scan. When you see the lockset, right-click and sync;
  • – Relocate the HUB to be line-of-sight to lockset for continuous operation;
  • Verify that Lockset has sufficient battery power;
  • Verify that no EMI devices (vending machine, 2.5GHz telephone system) are not within 0- 25 feet of the Lockset;
  • Verify that Lockset is properly installed and safely powered;
  • Verify that the HUB is a maximum of 50 ft and separated by a maximum of 2 construction drywall walls;
  • If you do not see the lockset with your RF dongle, position the laptop in front of the lockset and sync unit;
  • Verify that the Hub is LED flashing Red/Green;
  • – If not, then verify wiring (you should see and sync with the HUB);

The lockset is not communicating with the HUB to validate the request of entry:

  • Establish hub-to-lockset communication with the device via:
  • Changing out the batteries and or re-syncing the HUB to the Lockset.

NOTE: Use the Super-user card to gain access into the unit before re-syncing the lockset with the HUB.

  • Verify that the card encryption type is checked off within the configurator access point’s configuration;
  • Ensure that the board’s signal ground is stable;
  • Ensure that the DATA0 and DATA1 is properly connected;
  • Ensure that the card reader cable is shielded and properly grounded to a separate communication ground away from the board’s signal ground point;
  • Ensure that the card reader is fully functional;
  • Ensure that the power supply for the card reader is measured at 12 VDC (referenced the “common” signal ground when connected and not below 12 VDC);
  • Ensure that the Card operates at the same frequency as the card reader;
  • Ensure that the card reader’s cable is less than 350-450 ft in length; and
  • Ensure that the card reader cable is not running alongside very high current draw loads.

Upload the encryption key before you can create a configuration file and connect to the HUB(s) and Locksets;

Connect to the panel using the default level 3 passcode of 9999.

Once connected go to:

  1. Monitoring.
  2. Right click on the Access Control System.
  3. Set Passcode.
  4. Enter the old and new passcode.
  5. Press OK.

Your passcode should change successfully.

Note: This must be done to ensure the security of your site.

You can either purchase directly from us by contacting our sales team or through one of our distributors.

Give us a call at 905-660-4655 or visit our Where to Buy page for more information.

We have a three year manufacturer warranty from the date of purchase.

However, if the cause of the damage was feasible site neglect then your warranty can be void.

You can learn more about Mircom product warranty here.

If you bought the panel through a distributor you need to go to them for the RMA process. If you do not have their contact information you can search for it here.

If you bought the panel directly from us please go to the Submit Return Material Authorization page and fill out the form there with all the applicable information.

You always RMA the access control unit to the same distributor you bought it from.

If you bought the panel through a distributor you need to go to them for the RMA process. If you do not have their contact information you can search for it here.

If you bought the panel directly from us please go to the Submit Return Material Authorization page and fill out the form there with all the applicable information.

This will ensure that you will be appropriately reimbursed and that Mircom will be able to use that information to improve our products in the future.

Please contact our sales team for the requirements of our preferred dealer program.

Ensure that only one administrator is using his/hers database to update the network and not more than one administrator. If you have administrators with two separate databases, then please perform a “GET” before updating the system. Once update is complete, use “SEND” to push the updated configuration to the units/or nodes.

Do you keep geting the following error message?

Object reference is not set to an instance of an object “_”

Follow the steps below to fix this error:

  1. Disconnect the panel first if there is a battery/UPS connected.
  2. Power cycle the panel leaving the USB cable plugged in.
  3. Ensure that the USB-Comport driver is properly installed within the used laptop/PC. You can find the driver under your PC’s Control Panel>Device Manager>Ports. The driver is called “AT91 USB to Serial Converter”.
  4. If the above has been confirmed then restart your computer.
  5. Reconnect the panel and test to see if the issue has been resolved.

If you’ve followed the steps above and keep getting the error, please contact technical support for more assistance.

It is blank by default. Leave the password field empty and click log in.


Circuit Supervision is used to alert the operator the continuity state of a cable.

You must use 47KΩ resistors in parallel for short, Open and, and 22KΩ resistors in series to distinguish from short / Open supervision.

For more information please see the TX3 card access quick reference guide.

The user access level defines the ability to have authorized access through a restricted point or area. Access levels can be found within the left GUI pane

A correlation is used to generate an action based on an input or condition. For more info, please see instruction manual.

For card access systems there is no way to recover the passcode. The panels will have to be factory reset by Mircom.

You connect a card access panel up with a reader type (compatible to the unknown card – you can identify that by presenting the credential to the reader and it should beep, if it does not beep than the reader is not compatible) then check one box at a time then swipe to see if you see the ID number on the event viewer.

Continue the process until the card number is visible.

To fix compatibility issues and errors during installation with Windows 7:

  1. Disable all security features before installing the configurator and set “User Account Control Settings” to minimal before installing the configurator software.
  2. If you have already SQL database ensure that the “sa” account has no password.
  3. If the previous has been confirmed then ensure that you have administration rights before installing the software.
  4. Make sure that your Windows Security is updated.

If the issue remains, please contact technical support.

If you are having difficulty connecting to your TX3-CX series access control panel go through the steps below:

  1. Verify that the panel is properly connected to the router (via any switches). Also verify both the green and orange light, on the IP module is randomly flashing (as if communicating with a router).
  2. Verify the pinouts to the patch network cable to be one-to-one Type A or Type B network pin-out assignment (use a cable tester to determine its proper one-to-one communication).
  3. Ensure that the IP-Module is properly plugged into the TX3-CX-2-A’s board.
  4. Ensure that your router has DHCP assigned IP range of reserve IP addresses.
  5. Ensure that your router’s firewall allows network connections of new peripheral devices.
  6. Ensure that your configured laptop is on the same LAN as the device you are trying to connect too.
  7. Ensure that 14000-14003 ports are not taken/used for that LAN.
  8. Ensure that your IPv4 configurations (on your laptop) sees the LAN- verify that you can ping the router.
  9. Ensure that the panel is not connected through a VPN (there will be latency communication issues disallowing you to see the panel).
  10. Ensure that you have 3.1.22 and above for IP connectivity assurance. ( If not that use USB to firmware update your panel).
  11. Ensure that the LAN has enough bandwidth to accommodate the newly installed panel.
  12. Ensure that no other OEM VNC-type application is installed on your laptop or installed on the TX3-TOUCH causing ODBC disruption.
  13. Ensure that your TCP/IP-v4 WINS has Netbios over TCP/IP enabled.
  14. Ensure that the Configurator software is properly installed.
  15. Ensure that the SQL connectivity is set for both TCP and ODBC connectivity.
  16. Ensure that there is no IP address conflict.
  17. Ensure that both the IP and RS485 addresses are correct.
  18. Ensure that port forwarding is properly configured for remote accessing (both TCP & UDP need to be enabled).

If you still cannot connect to your panel after following these steps, please contact technical support for more assistance.

The MD-990 (24VDC) 5 AMP power supply is used to power the 4 access control modules (TX3-BBCX-4W: 8 door controller).

For more information contact your Mircom salesperson.

This is usually due to a RS-485 Collision issue – a node is remaining in transmission state.

To fix this issue follow these steps:

  1. Measure the RS-485 Input/Output to common (S) (should be around 2.5Vdc each leg) for all units.
  2. Isolate each panel from the BUS before measuring.
  3. Once you determine the faulty panel, upgrade the firmware to the panel.
  4. Use direct USB connection to the panel for firmware upgrade after recycling the power.
  5. Then put the panel back online.
  6. Ensure that the panel is properly grounded.

If the above steps did not fix the issue please contact technical support.

Find out how to diagnose and fix the issue here:

  1. Measure the card reader’s voltage.
  2. If the voltage (12 VDC-to-signal ground) is below 10 VDC (when cable is connected and not connected), then card reader port is burnt from unknown causes.
  3. If not, check the card reader or card reader cable for damage.

Yes, absolutely.

The Snubber circuit eliminates abnormal and harmful reactive current surges through wet and output relays.

Without Snubber circuits, relays will not or eventually fail after experiencing relay jitter (for dry contact relays) and/or raised ground voltage levels (through wet relays causing abnormal electronic operational failures).

These reactive effects increase with increasing magnetic flux (the core holding strength to MAGLOCK systems).

No, unfortunately, it is the installer’s responsibility to conduct a respectable site feasibility study, provide appropriate product recommendations based on the study, and to determine what is required to ensure system stability.

Do not feed the elevator relays with AC power.

The Elevator Restriction 2012E boards are sensitive to AC power which can damage the relays (due to relay jittering caused by the EMI influence on the induction magnetic relay).

For more information please read the Elevator Restriction Installation and Operation manual.

For the TX3 series 2 door card access panels you have 2 powered/wet outputs #7 and #8 that supplies a 12Vdc (solid-state) 1 amp-shared for door strikes and maglocks or 700mA if you are using only 1 output out of the 2, within fire code requirements.

Yes, the output dry contact can wear with time.

TX3-series dry SPDT UL operation zones are: 0.5Amp@120VAC to 5Amp@30Vdc and have mean time between failure of 1,800 cycles per hour or a total of 50,000 operations in one life time (100days @ 500 door-opens per day).

A typical SPDT relay wear points is the contact between the contacts or continuity between “common” and “NO” or “NC”.

After a while, in high traffic zones the resistance exceeds the input sensing of the device. From that, all that is required is to change dry-SPDT relay point for immediate corrective action. Other factors associated to dry-SPDT relay wear is high current feeds. In some cases, it’s the high inductive rush current that causes dry-SPDT relay failure. In this case, examination of the inrush current should be measured if fast relay wear has been noted.

TX3 telephone entry/per unit and access control/ per unit are running off a (PS-4P) 40 VAC power supply.

TX3-Touch Voice Entry systems and the 8 door controller (TX3-BBCX-4W) uses (MD-990) 24VDC, 5A power supply.

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