The deliberant default password is admin01.  This works for most deliberant access points, bridge antennas, and PTP links. 

Some of the Deliberant models included are as follows:

DLB-APC-5Mi
DLB-APC-2Mi
DLB-APC
DLB-APC-14
DLB-APC-2M
DLB-APC-5M
DLB-APC-2M-14
DLB-APC-5M-18
DLB5-20
DLB5-15
DLB5-15B
DLB-Mach5
DLB2

Username for all of the above devices is admin.  Password is admin01.  If you forget the IP address of the deliberant access points, you can use the following deliberant scan tool

For newer Ligowave/Deliberant, DLB access points and bridge antennas, you can discover the DLB devices using Windows Network discovery on your windows PC/Laptop.

How to discover all DLB devices in your network
DLB series products support SSDP protocol (firmware v7.5 and up) which allows you to find devices without external tools or programs. Follow the steps for DLB device discovery on the network:
 
1. Firstly enable Network discovery function on your windows PC. Enter Network section and follow the automatic Popup:
 
2. To enable click on- Yes, turn on network discovery and file sharing for all public networks
 
3. To enable network discovery function manually:
 
4. Choose to change advanced sharing settings:

5. Turn on network discovery:

6. All devices appear in Network devices section. Scanned devices now  are ready for managing:
 
7. Right click on Properties to check IP address and Serial number also you can reach Device webpage directly: