Cisco Model 6942 Four Port Optoelectronic Node 870 MHz with 55 70 MHz Split 数据表
Model 6942 Four Port Optoelectronic Node – 5-42/54-870 MHz
3
Six Position Optical Interface Board with
Forward and Reverse Plug-In Modules
Standard (1X) Reverse Router Module
(Two Wide) 5-42 MHz
(used when reverse segmentation is not needed,
allows redundancy)
(Two Wide) 5-42 MHz
(used when reverse segmentation is not needed,
allows redundancy)
p/n 591148
Forward Redundancy Module
(used for redundancy with either dual or no segmentation)
Forward Redundancy Module
(used for redundancy with either dual or no segmentation)
FWD
Out
Status
Mon.
Rx
FWD
Out
FWD
Out
Forward Narrowcast (Tiering) Module
(used for combining broadcast and narrowcast RX outputs,
allows redundancy)
(used for combining broadcast and narrowcast RX outputs,
allows redundancy)
p/n 748135
Status Mon.
Tx
-27 dB
DC-20
REV In
(from launch amp)
p/n 591129
6 Position Optical Interface Board for 6944 (installed in housing lid)
Status
Mon.
Rx
#1
Rx
#2
Rx
#3
Rx
#4
Forward Redundancy Module
or
Forward Narrowcast Module
Plug-in Location
Reverse Router Module
Tx
#1
Tx
#2
Plug-in Location
Rx
LPF
p/n 591150
p/n 753346
Dual Segmentation (2X) Reverse Router Module
(Two Wide) 5-42 MHz
(no redundancy)
(Two Wide) 5-42 MHz
(no redundancy)
Local
Insert
Insert
Status Mon.
Tx
(from launch amp)
Status
Mon.
Rx
FWD
Out
-27 dB
DC-10
DC-20
REV In
LPF
LPF
Local
Insert
Insert