Cisco Model 6944 Four Port Optoelectronic Node 870 MHz with 42 54 MHz Split 数据表

下载
页码 14
Model 6944 Four Port Optoelectronic Node – 5-65/86-870 MHz 
 
3
 
 
No Segmentation 
 
One Forward Optical Receiver and One Reverse Optical Transmitter 
 
Status
Mon.
Rx
Local
Insert
LPF
Status Mon.Tx
Fiber Management Tray
XM
T
R
Las
er Di
ode
TP
RCV
R
P
hot
o Di
ode
-20dB
TP
F2
F1
Primary
Power
Supply
75
Term
Optional
Secondary
Power Supply
External
-30dB T.P.
External
-30dB T.P.
External
-30dB T.P.
Optical Interface Board
P4
P5
P6
P1
P2
P3
Fwd Output  and
Rev Injection
-20dB T.P.
Optional
Splitter
P1 & P2
or
Jumper
P
Launch Amplifier
P
Rev
Switch
Optional
Splitter
P5 & P6
or
Jumper
P1
P2
P3
P4
P5
P6
NET
EQ
AC
BYPASS
Fwd Output  and
Rev Injection
-20dB T.P.
Fwd Output  and
Rev Injection
-20dB T.P.
Fwd Output  and
Rev Injection
-20dB T.P.
AC
Bypass
AC
Bypass
AC
Bypass
AC
Bypass
AC
Bypass
AC
Bypass
Crowbar
Rev Input
-20dB T.P.
Rev Input
-20dB T.P.
Rev Input
-20dB T.P.
Rev Input
-20dB T.P.
FWD
REV
REV
FWD
REV
FWD
FWD
REV
EQ
EQ
EQ
EQ
External
-30dB T.P.
External
-30dB T.P.
External
-30dB T.P.
Rev
Switch
Rev
Switch
Rev
Switch
Power Director
Power Director
Power Director
Power Director
Power Director
Power Director
Forward Redundancy Plug-in
Location
Reverse Router
Standard Forward
Configuration
Module
P
P
P
P
P
P
P
P