PRS2403
•	300 mA, 24V DC power supply for external equipment
•	Connects to both barrel-type or screw terminal connections
•	2-1/4" W x 3-1/4" H x 2"D

PRSLSI
•	24V Talk battery supply for loop start ports
•	450 mA, 24V DC power supply for external equipment
•	6-terminal barrier strip

RPK91
•	Allows rack mounting of a single TAMB2 unit
•	Can be mounted in either front or rear panel orientation