Panels

Symptom   When attempting to load the TLS Certificate, the following error is shown:   The file is too big!   This is due to the encryption certificates already existing on the ISC. You cannot load a certificate over an exi...

Product Name LNL-4420   General Information The LNL-4420 supports a total of 64 downstream devices (32 devices per downstream port). The maximum number of authenticated readers supported on the LNL-4420 when using FIPS readers is 16. ...

How to setup a failover on an LNL-3300 with a Cobox / Lantronix Device Procedure Steps Use the CoBox parameters provided in the Hardware Installation Guide (Configuring a CoBox Micro 100 Using Telnet). Set 38400 as the baud rate,...

Product Name LNL-3300-M5 and LNL-4420 Wireless Lock Compatibility  General Information The LNL-3300-M5 does support the Assa Abloy Aperio and Schlage wireless lock solutions. The Aperio hubs or Schlage gateways need to be wired to por...

How to collect an LNL-4420 crash dump If problems occur when rebooting LNL-4420 panels or there are other instability issues with these panels, and you escalate the issue to Mercury, they may ask for a crash dump. This article addresses how ...

Symptom LNL-4420 panels randomly reboot.  Information may be lost such as masking or door schedules after the reboot. Resolution Apply firmware version 1.256 available for download by contacting support Applies To LNL-4420 panels...

Question Can an LNL-3300-M5 have standard Lenel hardware downstream? Answer The LNL-3300-M5 communicates through the M5/M3000 backplane to Reader Panel (RP) boards and Input or Output Control boards attached to the backplane. In addi...

Product Name M Series LNL-1100-20DI General Information Upgrading the M Series LNL-1100-20DI from firmware version 1.32.1 or earlier will render the access panel unusable. The LNL-1100-20DI has two (2) on-board processors, one for ever...

Symptom LNL-3300-ACUXL will not power up Resolution When setting up a LNL-3300-ACUXL you may have to switch the wire (traditionally yellow) for the earth ground from terminal 2 to terminal 3 on TB1 in order for the panel to power on....

Symptom Inputs triggered  on LNL-1340-M2K are not seen in OnGuard.   Resolution Check the firmware revision of the LNL-1340-M2K.  In Alarm Monitoring, select Options > Display Device Firmware Revisions .  If Alarm Monitoring indicate...