Nokia 6800 Series - Manual (Page 99)

Chapter 8: VPD-6830 Programmable Video DA Series VPD-6830-XEQ
72 6800/7000 Series - Distribution and Routing Products Installation and Operation Manual
VPD-6830-XEQ
The VPD-6830-XEQ is used to compensate extremely long running
cable, up to 3250 ft (1000 m) of Belden 8281. The following diagram
describes its functionality:
Figure 8-5. VPD-6830-XEQ Functional Block Diagram
Figure 8-6. VPD-6830-XEQ
Input Coupling
Section
AC
AC
75
Input
Differential
Amplifier
DC
DC
EQ
EQ
GAIN
CLAMP
Clamp Mode
Selection
No
Clamp
Hard
Soft
Eight
Coax
Outputs
Output
Amplifier
EQ
1
EQ
2
AMP
2
AMP
1