User guide

N:M Hub Modem Redundancy
C-24 VMS User Guide
Figure C-21 Enable hearbeat in VMS, left window CDM-570/570L, right window SLM-
5650A
Right-click on the device again from the drop-down menu select Configure. On
the Features tab, shown in figure C-22, check the Primary Heartbeat box.
Click the OK button to continue.
Figure C-22 Enabling heatbeat in CDM-570/570L modem
Force registration on the device. On the next PLDM the Status in the group
window should turn green and change to OK.