Cisco Systems SPA3102 manual RJ-11 FXO Phone Ports For a Telco or PBX Connection

Voice Gateway with Router
Physical Interfaces	2	100baseT RJ-45 Ethernet Port (IEEE 802.3) -- 1 WAN, 1 LAN
	1	RJ-11 FXS Phone Ports - For Analog Circuit Telephone Device (Tip/Ring)
	1 RJ-11 FXO Phone Ports - For a Telco or PBX Connection
FXS	Ring Voltage: 40-55 VRMS Configurable
Subscriber Line Interface
Circuit (SLIC)	Ring Frequency: 10 Hz - 40 Hz
	Ring Waveform: Trapezoidal and Sinusoidal
	Maximum Ringer Load: 3 REN
	On-hook/off-hook Characteristics:
		On-hook voltage (tip/ring): -50 V NOMINAL
		Off-hook current: 25 mA min
		Terminating Impedance: 8 Configurable Settings including
		North America 600 ohms, European CTR21
Regulatory Compliance	FCC (Part 15 Class B), CE, ICES-003, A-Tick Certification
Power Supply	DC Input Voltage: +5 VDC at 2.0 A Max.
	Power Consumption: 5 Watts
	Switching Type (100-240v) Automatic
	Power Adapter: 100-240v - 50-60Hz (26-34VA) AC Input
Indicator Lights/LEDs	Power, Ethernet, Phone, Line

76 Appendix E: Specifications