Interlogix DED2500 Series - Manual (Page 4)

Initializing the DED2500
Upon power up and network connection into the DED2500, the address factory
default is 192.168.1.100. The unit's serial port configuration must be completed
prior to physically wiring to the data port. Opening the web browser to the
default address, the log on screen will be displayed.
LoginID: admin
Password: 123456
This will open the network device parameters. Assign a new network address by
either user selection or enabling the DHCP. Note this address for future reference,
it will be needed to “assign” the units to each other.