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Section 300-Installation
Chapter 7. Specifications
DBS-2.3/9.2-300
DBS Manual - Revised April 2000
7-15
Signaling Characteristics
Table 7-14. Signaling to CO
Table 7-15. Signaling levels
Table 7-16. Transmission specifications
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
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
status)
-35 dBm (minimum)
Less than 10%
Analog station output (Talk
path originated from a key
phone to an SLT)
High level: -8 dBm+/-0.5 dBm
Low level: -6 dBm+/-0.5 dBm
Less than 5%
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
Summary of Contents for DBS 40
Page 12: ...About This Manual Section 300 Installation xii DBS Manual Revised April 2000 DBS 2 3 9 2 300 ...
Page 20: ...2 2 DBS Manual Revised April 2000 DBS 2 3 9 2 300 ...
Page 30: ...3 2 DBS Manual Revised April 2000 DBS 2 3 9 2 300 ...
Page 50: ...4 2 DBS Manual Revised April 2000 DBS 2 3 9 2 300 ...
Page 94: ......
Page 96: ...5 2 DBS Manual Revised April 2000 DBS 2 3 9 2 300 ...
Page 132: ...6 2 DBS Manual Revised April 2000 DBS 2 3 9 2 300 ...
Page 144: ...7 2 DBS Manual Revised April 2000 DBS 2 3 9 2 300 ...
Page 204: ...Index Section 300 Installation Index 8 DBS Manual Revised April 2000 DBS 2 3 9 2 300 ...