Lucent Technologies Release 7 User Manual
DEFINITY Enterprise Communications Server Release 7
Maintenance for R7r
Maintenance for R7r
555-230-126
Issue 4
June 1999
Maintenance Architecture
1-40
Protocols
1
Insertion Loss for Port-to-Port; Analog or Digital
Table 1-14
lists the insertion loss in the system for different connection types for
the United States.
Table 1-15
shows the overload and cross-talk characteristics.
Intermodulation Distortion
Table 1-16
lists the intermodulation distortion in the system for analog-to-analog
and analog-to-digital, up to 9.6 kbps data
Table 1-14.
Insertion Loss for the United States
Typical Connections
Nominal Loss
(dB) at 1 kHz
(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 1-15.
Overload and Crosstalk
Overload level
+3 dBm0
Crosstalk loss
>70 dB
Table 1-16.
Intermodulation Distortion
Four-Tone Method
Distortion
Second-order tone products
>46 dB
Third-order tone products
>56 dB