6.3 Power Supply Wiring
Reason H49 contains a Basic Interface Unit (BIU261D) board, which includes two
redundant power supply inputs, as shown in the following figure:
Figure 23: Reason H49 Power Supply Wiring
BIU261D primary power supply
The primary power supply is connected using a 24-way connector block:
Figure 24: Typical 24-way Female Connector