Title: Hardware Installation Guide.pdf
The LED patterns used for Heartbeat, Host communication, and downstream communication will be suspended during the save/restore and will return to normal once the save/restore is complete.revision 6 — 157LNL-2220 Intelligent Dual Reader Controller30.2Replace Memory Backup BatteryThe event log buffer and the real time clock are backed up by a 3V lithium battery. Without power being applied to the LNL-2220, the battery will retain events and transactions for 3 months.This battery should be replaced annually to insure that proper backup functionally is maintained. Remove the insulator from the battery holder after installation. Battery type: Rayovac BR2325 or Wuhan Lixing CR2330.158 — revision 6Hardware Installation Guide31SpecificationsThe IDRC is for use with UL Listed access control power limited power supplies.Primary Power: 12 to 24 VDC ±10%, 500mA maximum (plus reader current) - -12 VDC @ 250mA (plus reader current) nominal 24 VDC @ 150mA (plus reader current) nominal