Panasonic CPC-EX manual Signaling Characteristics, Level Distortion

Section 300-Installation Chapter 7. Specifications

Signaling Characteristics

Table 7-14. Signaling to CO

Item	Specification
Dial pulse	8 to 11 pulses per second (PPS)
Break ratio	58 to 64%
Minimum pause	0.7 to 1.0 seconds
Trunk start	Loop or ground start

Table 7-15. Signaling levels

Item		Level	Distortion
Trunk input (DISA)		-40 dBm (minimum)	Less than 10%
Output from DBS (at MDF)	High level: -8 dBm (minimum)
		Low level: -10 dBm (minimum)
Analog station input (Dial		-35 dBm (minimum)	Less than 10%
status)
Analog station output (Talk		High level: -8 dBm+/-0.5 dBm	Less than 5%
path originated from a key		Low level: -6 dBm+/-0.5 dBm
phone to an SLT)
Table 7-16. Transmission specifications
Item			Specification
Impedance			600 Ohms
Overload level			600 Ohms
Insertion Loss
CO trunk to analog station			0 dB
Analog station to CO trunk			0 dB
CO trunk to digital station			0 dB
Digital station to CO trunk			0 dB
Digital station to digital station			6 dB
Digital station to analog station			6 dB
Analog station to digital station			6 dB
Analog station to analog station			6 dB

DBS-2.3/9.2-300 DBS Manual - Revised April 2000 7-15