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Lucent Technologies R5SI Manual Do Utilizador

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DEFINITY Enterprise Communications Server Release 5
Maintenance and Test for R5vs/si  
555-230-123  
Issue 1
April 1997
Maintenance Architecture 
Page 1-15
Protocols 
1
Insertion Loss for Port-to-Port; Analog or Digital
 lists the insertion loss in the system for different connection types for 
the United States. 
 shows the overload and cross-talk characteristics.
Intermodulation Distortion
 lists the intermodulation distortion in the system for analog-to-analog 
and analog-to-digital, up to 9.6 kbps data
Table 1-7.
Insertion Loss for the United States
Typical Connections
Nominal Loss 
(dB) at 1 kHz
On-premises to on-premises station
6
On-premises to off-premises station
3
Off-premises to off-premises station
0
On-premises station to 4-wire trunk
3
Off-premises station to 4-wire trunk
2
Station-to-trunk
0
Trunk-to-trunk
0
Table 1-8.
Overload and Crosstalk
Overload level
+3 dBm0
Crosstalk loss
>70 dB
Table 1-9.
Intermodulation Distortion
Four-Tone Method
Distortion
Second-order tone products
>46 dB
Third-order tone products
>56 dB