LevelOne PLI-2040 - Manual (Page 6)

Adding Adapter C to existing Network AB (Adapter A and Adapter B)
One unassociated Adapter C is added to an existing Network AB.
The procedure is as follows:
1. Press and hold the security button on Adapter C for 10 seconds and release it when device LED auto reboots.
The password to Adapter C becomes “Random_C”
2. Press and hold the security button on Adapter A for 2 seconds. The Power LED on Adapter A starts to flash.
3. Within 120 seconds after the Power LED on Adapter A starts to flash, press and hold the security button on
Adapter C for 2 seconds then release.
4. Adapter A, Adapter B and Adapter C are now networked to each other.