Cisco Model 6944 and 6940 Node bdr Dig Rev 2 1 Mux System for Prisma II Data Sheet
Prisma II bdr Digital Reverse 2:1 Dual Multiplexing System
for High Density Installations
for High Density Installations
2
Block Diagrams
Typical Application
5-42 MHz
RF Inputs
D
W
D
M
M
U
X
24:1
.
.
.
.
.
.
.
.
.
.
.
.
.
.
Hub Site or Remote Terminal
Headend or Hubsite
X 12
X 12
5-42 MHz
RF Outputs
Optical
Switch
D
W
D
M
M
D
E
M
U
E
M
U
X
1:24
.
.
.
.
.
.
.
.
.
.
Input 1A
Input 1B
Input 1B
2:1
Transmit
Processor
Laser
Module
Input 2B
Input 2A
Laser
Module
Input 1A
Input 1B
Input 1B
Laser
Module
2:1
Transmit
Processor
Laser
Module
Input 2B
Input 2A
2:1D
Receive
Processor
2:1D
Receive
Processor
Output 1A
Output 1B
Output 1B
Output 2A
Output 2B
Output 2B
Output 1A
Output 1B
Output 2A
Output 2B
Receiver
Module
Receiver
Module
Receiver
Module
Receiver
Module
Full Optical Path Redundancy Application
.
Hub Site or Remote Terminal
Headend or Hubsite
X 12
.
.
.
.
.
.
.
.
.
.
Laser
Module
2:1D
Transmit
Processor
Laser
Module
2:1D
Transmit
Processor
Laser
Module
Laser
Module
Input 1A
Input 1B
Input 2A
Input 2B
2:1D
Receive
Processor
Receiver
Module
Receiver
Module
.
.
.
.
.
.
.
.
.
.
.
X 12
2:1D
Receive
Processor
Receiver
Module
Receiver
Module
Output 1B
Output 2A
Output 2B
Output 1A
Receiver
Module
Primary Path
Redundant Path