Cisco Model 6942 Four Port Optoelectronic Node 870 MHz with 42 54 MHz Split 数据表

 

 
 

 

The Model 6942 Node is a high performance, four output 
optoelectronic node.  The Model 6942 Node can be configured with a 
variety of forward optical receivers and reverse optical transmitters, 
providing flexibility for use in multiple applications.  Redundant optical 
receiver and transmitter capability allows optical path redundancy, 
enabling increased network reliability. 
 
The Model 6942 Node’s reverse path is very flexible.  Reverse traffic 
can be combined and routed to FP or DFB reverse transmitters, and 
redundant (back-up) transmitters may also be utilized.  The platform 
provides for reverse segmentation through the addition of 
transmitters and reverse routers.  Up to four transmitters - one per 
reverse input port - can be configured using the eight-position optical 
interface board.  Where fiber counts are limited, the six-position 
optical interface board also allows use of advanced Baseband Digital 
Reverse, reverse path segmentation technology using Scientific-
Atlanta’s bdr

™

system.  The six-position optical interface board has two transmitter mounting positions.  If the 

reverse path is not segmented, one position is used for the primary reverse transmitter and the other for an optional 
redundant transmitter.  For dual reverse segmentation, two transmitters are installed, each dedicated to reverse 
traffic from a pair of station reverse input ports. 
 
The Model 6942 Node can also be configured with a Scientific-Atlanta status monitoring transponder.  The 
transponder, in conjunction with the Transmission Network Control System (TNCS), or other compatible element 
management system, enables remote monitoring of critical node related parameters, and remote control of each 
optional reverse path switch for ingress troubleshooting. 

 
Features 

•  1 GHz RF platform 

•  15 amperes continuous power passing 

•  Four high level forward RF outputs 

•  Screwless seizures for ease of connector installation 

•  40-90 V AC high-efficiency switch mode power supply 

•  Optional power supply redundancy 

•  Local test points and LED indicators on optical receivers and transmitters simplify installation and maintenance  

•  Optional status monitoring and control (status monitoring transponder and TNCS or other compatible element 

management system required) 

•  Plug-in pads provide individual level control for each port for forward and reverse paths 

•  Optional 3-state reverse switch (on/off/-6 dB) allows each reverse input to be isolated for noise and ingress 

troubleshooting (status monitoring transponder and TNCS required) 

•  Fiber management tray provides convenient fiber and connector storage for up to 6 connector pairs 

•  1310 nm analog reverse transmitters with either Fabry-Perot or DFB lasers 

•  1550 nm analog reverse DFB transmitter 

•  Supports Baseband Digital Reverse technology, allowing reverse path segmentation 

•  Upgradeable to Model 6944 launch amplifier to enable full forward segmentation