MBC-HF Controller Operating Instruction
（
1
）
Product Structure
No.
Name
Describe
1
Photodiode1
External Optical Feedback Input ( Laser channel )
2
Photodiode2
External Optical Feedback Input ( Modulator channel )
3
Ca An pins
M
odulator’s Internal photodiode Input
4
Power Connector
C
ontroller’s power supply connector
5
RST Pin
Operation for resetting controller
6
PLR Pin
Operation for polar selection
7
3.3 Pin
3.3V reference voltage of UART interface
GND TX RX Pins
UART interface for communication
8
OUT GND Pins
C
ontroller’s bias Output
9
M2 Mounting Hole
C
ontroller’s mounting hole
10
LED
Constantly on: Working under tracking state
On-off or off-on every 0.2s
:
Initializing
and searching for controlling point
On-off or off-on every 1s:
C
ontroller’s f
eedback input power is too weak
On-off or off-on every 3s
: C
ontroller’s f
eedback input power is too strong
Figure1. Product Structure
（
2
）
Product Operating and Storage Information
Parameter
Min
Typ
Max
Unit
Positive power voltage
+14.5
+15
+15.5
V
Positive power current
20
30
mA
Negative power voltage
-15.5
-15
-14.5
V
Negative power current
2
4
mA
Modulator Channel Input optical power
-26
2
dBm
Laser Channel Input optical power
-26
2
dBm
Operating temperature
-10
50
℃
Storage temperature
-20
80
℃
5
6
4
3
1
7
10
2
8
9
