Signaling Characteristics; Table 7-14. Signaling To Co; Table 7-15. Signaling Levels; Table 7-16. Transmission Specifications - Panasonic CPC-EX Installation Manual

Digital business system section 300 (applies to cpc-aii/b version 9.2 and cpc-ex version 2.3)
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Section 300-Installation

Signaling Characteristics

Table 7-14. Signaling to CO

Item
Dial pulse
Break ratio
Minimum pause
Trunk start

Table 7-15. Signaling levels

Item
Trunk input (DISA)
Output from DBS (at MDF) High level: -8 dBm (minimum)
Analog station input (Dial
status)
Analog station output (Talk
path originated from a key
phone to an SLT)

Table 7-16. Transmission specifications

Item
Impedance
Overload level
Insertion Loss
CO trunk to analog station
Analog station to CO trunk
CO trunk to digital station
Digital station to CO trunk
Digital station to digital station
Digital station to analog station
Analog station to digital station
Analog station to analog station
DBS-2.3/9.2-300
8 to 11 pulses per second (PPS)
58 to 64%
0.7 to 1.0 seconds
Loop or ground start
Level
-40 dBm (minimum)
Low level: -10 dBm (minimum)
-35 dBm (minimum)
High level: -8 dBm+/-0.5 dBm
Low level: -6 dBm+/-0.5 dBm
DBS Manual - Revised April 2000
Chapter 7. Specifications
Specification
Distortion
Less than 10%
Less than 10%
Less than 5%
Specification
600 Ohms
600 Ohms
0 dB
0 dB
0 dB
0 dB
6 dB
6 dB
6 dB
6 dB
7-15

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