2
、
Front and rear panel layout:
TR R 7 8 0 0 O P TICA L R ETU R N R ECEIV ER
L
-20dB
OUT
RX4
RX3
RX2
RX1
Network
Management
RFOG
220V
～
50Hz
NORMAL
OP IN
-20dB
OUT
-20dB
OUT
-20dB
OUT
Mode
Select
SC/APC Available
FC/APC Available
OP IN
OP IN
OP IN
OP IN
RX1
RX2
RX3
RX4
NO.
Name
Functions
1
LCD Display
Displays information, parameters and working status:
·RFoG ReturnRX
(MAXCOM
）
initial state, indicating the RFoG reverse
optical receiver
·MODEL: MX4RR-LI
SN: (xxxxxxxx) indicating the optical receiver
module and cascade
·RX(x) ATT: (x)dB
Power In: (low / x dBm) indicates the attenuation and
receiving optical power
·When display status button has not been pressed for 5
seconds, LCD display back light will dim, unit returns to the
initial state.
2
Display
Status Button
There are three buttons:
“▲”: turns the page in the initial state; increase output power/
decrease the amount of attenuation in the channel status,
1dB step, the minimum amount of attenuation is 0dB.
“▼”: turns the page in the initial state; decrease output
power/ increase the amount of attenuation, 1dB step, the
max amount of attenuation is 30dB.
“
TR R 7 8 0 0 O PTICA L R ETU R N R ECEIV ER
L
”: the enter key, turns the page
3
FC/ APC
Interface
(Optional) Input return optical signal when matching FC/ APC
interface, a total of 4.
4
-20dB
Detection
Port
Indicates the RF signal level of each port, measured values
plus 20dB is the true level
5
RF Signal
Output Port
Outputs each port RF signal respectively
6
SC/ APC
Interface
(Standard) Input return optical signal when matching SC/
APC interface, a total of 4
7
RJ45
Interface
Combined with appropriate hardware and software can be
connected to the local computer as a network management
interface. (Optional)
1
2
3
5
6
7
9
8
10
11
4
