Primary Power
* 120 / 220VAC + 10% -15%, 60 / 50 Hz

Signaling Line Circuits
* Loop card : 4 Nos. Maximum.
* No Devices per loop : 254
* Loop resistance : 40Ω (Max.).
* Loop capacitance : 0.6 µf (Max.).
* Loop Current : 300mA (Max.).

Standby Power
* 24V D.C (2 No’s of 12V, 40 Ah (Max), Built in for 12Ah)
* Sealed Lead acid battery

D.C. Output
* Supervised 24VDC, 300mA Max.
* Warranty:- 1 Year