C-Data HF200-3613 series User manual

User’s manual
1310nm Optical Transmitter
1. Features
Switchable AGC and MGC function, support remote control by webmaster
LCD real-time displays working parameters
Sound-light alarm
Two options for national standard webmaster transponder
2. Diagram
Electric
ATT
Frequence
Response ADJ
Signal Mixed
RF Input
Input TEST
Frequence
Response ADJ
Mixed
NEII
Laser
parameter
LCD
MPU
RF
Cut-off
RF Power
Detect
AGC
Incentive TEST
Incentive power
detection
Pre
Distortion
Key
Unit
Optical
Out
ATCAPC
DFB
Laser
3. Surface Structure

User’s manual
NO.
Item
Specification
1
Key Switch
ON: Turn on OFF: Turn off
2
Alarm Light
Red light: Wrong parameters
Green light: Correct parameters
3
Display Screen
Display working status and parameters of device
4
LEFT Button
Menu page turning, reducing attenuation value
5
ESC Button
Exit menu item
6
SET Button
Set menu item
7
RIGHT Button
Menu page turning, adding attenuation value
8
RST Button
Reset button, if system crushed when
communicating or LCD operating, press this
button to reset without cutting off signal
9
Drive Signal Detecting
Port
RF excited detecting port (-20dB)
10
Power Socket
220V Power connection
11
Ethernet Port
Two kinds transponder Ethernet ports (optional)
12
RS232/RS485 port
RS232 port or RS485 port (optional)
13
Optical Signal Output
FC or SC(optional)
14
Hybrid Input Port
Input of narrow-band signal
15
RF Signal Output
75(+3/-2)dBuV Input
16
RF Input Signal Detecting
Port
RF input signal detecting (-20dB)
4. Basic Parameter
4.1 Optical Parameter
NO.
Item
Specification
1
Optical Wavelength
1290～1330nm(ITU-T optional)
2
Optical Connector
FC/APC or SC/APC
3
Optical Reflection Loss
>45.0dB

User’s manual
Estimated Link Loss:
Remark1: Estimated Link Loss is the sum of 10km fiber loss and passive loss
4.2 RF Parameter
4.3 Link Performance
C/N
≥51
C/CSO
≥60
C/CTB
≥65
Power(mW)
Estimated Link Loss (dB)
Power(mW)
Estimated Link Loss (dB)
06
8.8
14
12.5
07
9.5
15
12.8
08
10.0
16
13.0
09
10.0
17
13.3
10
11.0
18
13.6
11
11.4
19
13.8
12
11.7
20
14.0
13
12.1
RF Band
47～1000 MHz
RF Input Level
75(±3)dBuV
Level Difference between Narrow Band
Port and Main Port
8～20.0dB(select)
Entitled RF Input Impedance
75Ω
RF Input Reflection Loss
≥16dB(47～550MHz)
≥14dB(550～1000MHz)
Flatness
≤±0.75dB
Level Detecting
-20dB±1dB

User’s manual
Rmark:
C/N、C/CTB and C/CSO are tested with meeting estimated link condition
C/N is tested with PAL-D loading 59 TV channels in 550MHz
C/CTB and C/CSO is the typical value when 59 TV channels are
configured in 550MHz, regardless of receiver distortion
4.4 General Parameter
Power Supply
AC: 100～240V
Interior Direct Current Consumption
30W
Power Consumption
+24V 0.9A，+5V 0.5A，-5V 0.1A
Working Environment
-5℃～45℃
Storage Temperature
-25℃～+65℃
Size (Length x Width x Height)
483mm×320mm×44mm
Reference Net Weight
4Kg

User’s manual
5. Operation Overview
HF200-3613 series indoor 1550 optical transmitter of Network Technology
LTD. Panel operating and displaying function are added based on former
similar optical transmitter, user can view almost all working parameters of
device locally through LCD, these operations are all based on multi-level
function menu, simple and clear HMI achieved “simpleton operation.”
5.1 LCD and Keyboard
HF200-3613 series indoor 1550 optical transmitter adopts 122x32 crystal
lattice, blue screen liquid crystal, English and Chinese can be both displayed.
Optical platform keyboard has 4 buttons including “SET”, “ESC”, “LEFT” and
“RIGHT.” With LCD displaying, use these 4 buttons to view and set device
parameters.
In factory default settings, after power on-self test, LCD will show “Welcom
screen”, it will return to the welcome screen too if there is no operation for a
long time.
In default settings, LCD backlight will be turned on when operating, it will
turn off after a long time without operations, so that the working life of LCD will
be extended.
Menu structure showed on LCD as below, bold rectangle is level1 menu,
below the level1 menu there are submenus under the primary menu.
To ensure the safety and prevent irrelevant people from operating wrongly,
alarm settings can not be changed on the menu showed on LCD, only through
webmaster can it be changed

User’s manual
5.2 National Standard Class 2 Transponder
HF200-3613 series indoor 1310 optical transmitter can optionally configure
with national standard class 2 transponder (refers to NE2 in the following).
With webmaster that meets national standard, remote control for devices can
be achieved. Moreover, management content in webmaster is more than the
content in LCD menu.
Factory default IP address of NE2 is: 192.168.0.1. User need to change it to
meet user local network. Two ways to change IP, Telnet and Console, the
former is convenient to use, but if the IP address is lost, then the latter must be
used. Details on this part please refer to the content in the below.
After setting the correct IP address, then devices can connect to webmaster,
easy and convenient.
Without NE2, device can connect to PC through RS232 port or RS485 port
(this function will be disabled with NE2 configured). One PC can connect to

User’s manual
multiple same model receivers, receivers will be recognized by their MAC
address as each device has different MAC address, which can be checked on
LCD.
6. Keyboard Operation
Keyboard has 4 buttons including “SET”, “ESC”, “LEFT” and “RIGHT”
6.1 SET
Enter key, mainly has following functions:
Enter next level menu
Save and enable changed user settings
Refresh current working parameters
6.2 ESC
Exit button, return to previous menu and cancel changed user settings
6.3 LEFT and RIGHT
Left button and right button, menu items switching in the same level menu
and parameters switching in the same menu item
7. Menu Function Specification
7.1 Welcome Screen
After Power On Self-Test, LCD firstly will show “Welcome Screen”. There are
three contents as below:
Device works normally, show network company name and device name
Device exception, show alarms
When key switch is turned off, show notice
7.2 Device Information
Submenu will show following content:

User’s manual
Device model
Device serial number
Software version
MAC address (show console login/password when NE2 is configured
7.3 Working Parameters
Show optical transmitter working parameter list, and mark normal or not
(“normal”, “too high”, “too low”). Including:
Optical power
Laser temperature
Laser drive level
Laser bias current
Laser constant temperature current
Power voltage
Attention: When key switch is not turned off, part of parameters will not be
displayed, “Please turn on the key switch” will show up
7.4 Working Status Configuration
Following parameters are configurable:
Gain control method: AGC (automatic) or MGC (manual)
Buzzer turn on/off: Buzzer is on after factory, once error occurs on device,
sound will be made to alarm. This function can turn on/off the buzzer. Once
turned off, before being turned on again manually, it will not make any
sound alarm when error occurs.
Configuration of above functions will be saved automatically, it will not
disappear when power off.
Attention: When key switch is not turned off, this function is not valid, “Please
turn on the key switch” will show up
7.5 Alarm Threshold Information

User’s manual
All alarm threshold parameters can be inquired including high alarm
threshold and low threshold.
To ensure the security, the threshold only can be changed by webmaster.
LCD keyboard can not operate on it locally. To avoid wrong settings to damage
laser, even in webmaster, key alarm thresholds are not allowed to be changed
(like laser drive level).
8. Network Management
There are two kinds of network management: Industrial bus mode or
national standard class 2 transponder mode. Either-or choice, should be made
before leaving factory, user can not change it again.
8.1 Industrial Bus Mode
Without NE2, 0T10U series indoor 1310 optical transmitter can connect to
PC through RS232 port or RS485 port (this function will be disabled with NE2
configured). One PC can connect to multiple same model receivers, receivers
will be recognized by their MAC address as each device has different MAC
address, which can be checked on LCD.
8.2 National Standard Class 2 Transponder Mode
HF200-3613 series indoor 1310 optical transmitter can configure with NE2
optionally, with webmaster that meets national standard, remote control for
optical transmitters can be achieved.
To connect webmaster, optical transmitter must configure correct IP address
based on user network situation.
NE2 factory default IP address is: 192.168.0.1. There are two ways to
change IP.\:
Telnet Method
If user know the IP of the device, set the IP of PC in the same net segment

User’s manual
with the device, but it can not be the same IP address, then use UTP to
connect device through Telnet.
Username: sysadmin
Password: admin
Attention: There is case sensitive
After logging in the device, use command “ip” to set new IP address, like: ip
192.168.1.211
It means changing the device IP to 192,168.1.211
Command “ip” also can check the current IP address of the device
Use command “exit” to exit the connection after configuration. (Note: If
command “exit” is not used to exit the connection, device will exit the
connection automatically if there is no commands operation after 5 minutes.
Before exiting connection, device will not accept new connection from other
PC.
Console Method
Telnet method is convenient for using, but if the IP address is lost (like when
IP is set wrongly or is forgotten). Then console method must be applied,
through console port, device connects PS with RS232 bus, please operate as
following steps:
1）Turn off the device (plugging with power on is not allowed)
Prepare one standard 9 pin RS232 parallel line, respectively connects RS232
port of PC and console port of device
2）Open “Hyper Terminal” in PC, following settings should be ensured:
Baud Rate: 38400
Data Bit: 8 bits
Check Bit: none
Stop Bit: 1 bit
Flow Control: none
Other settings can be arbitrary

User’s manual
3）Open device
PC hyper terminal will show the prompt requiring username, if it does not
show up please press “Enter” in the keyboard
4）Log in device, change IP address
The same operation as Telnet method
Log-in account/password of console port can be checked by command
“ device infor”
9. Installation
9.1 Mechanical Installation and Power Connection
Turn off the key switch on front panel, then insert optical transmitter to the
slot of the rack, after ensuring the correct installation position, use straight
screwdriver to twist mounting screws on the front panel until the optical
transmitter is fixed on the rack.
Turn off power switch, then connect 220V power
9.2 Fiber and RF signal Connection
Fiber Connection
Clean all connecting fiber connectors and flanges. Cleaning steps as below:
①Take off the dust cover of fiber connector FC/APC, use clean anhydrous
alcohol wipes to clean the end face of FC/APC connector
②Take off the dust cover of FC/APC connecting flange on device panel
③Use compressed air to clean FC/APC connector and connecting flange
④If there is no compressed air to use, dedicated cotton sliver can also be
used to clean SC/APC connecting flange on the machine
Input RF Signal Connection
①Check whether input RF signal is in the range regulated by this manual
②Connect suitable RF signal to [RF signal input port]

User’s manual
③RF input signal requirements:
Nominal RF input signal of this transmitter is 75(+3/-3)dBuv for each
channel with loading 59 channels. To achieve ideal transmission
characteristics, transmitting signal level difference among channels should
be within ±0.5dB
It is particularly stressed that RF input level in each channel can not be
more than 82dBuv, or the laser might be damaged
Generally one test report will be offered, in which there is laser RF drive
level of this device, detection port on the front panel is the -20dB detection
port of drive level that is stated above
Before RF signal goes into the RF input of optical transmitter, carefully
adjust the level of drive signal by frequency spectrometer and RF lever
meter, to ensure RF input level in each channel in 75(+3/-3)dBuv
Attention, the RF level we stated above is the level with 59 channels
loaded, in actual usage, the quantity of loaded channel might change, then
the RF level requirement on each channel will change too, please refer to
the following picture for specific changes and correspondences: It means
different loading channel number corresponds different RF level for each
channel, but this device can always remain laser general optical
modulation constant when there is at least 5dB input level difference.
输入电平变化-实际加载频道数
0.0
1.0
2.0
3.0
4.0
5.0
20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60
实际的加载频道数（c h)
输入电平增加值（dB )

User’s manual
Starting-up and Debugging
After finishing all above preparation works, electrical test can be processed.
Turn on the power switch on back panel, indicator shows red light, screen
lights up, it means the whole device is powered up normally.
Then turn on the key switch on front panel and adjust the button on it, select
necessary working status.
Output optical power tested by optical power meter should equal or higher
than nominal output power. Through the screen and buttons of system
controller, key parameters like output optical power, laser bias current, cooling
current and laser temperature of current unit can be viewed.
Attention: Without specialized equipment, we do not suggest user adjusting
modulation degree. Our devices are already adjusted modulation degree to the
groove before leaving factory.
10. Notes for Using
Optical transmitter is precise optoelectronic equipment, it is required to
strictly follow the requirements of operation specification when using, if it is
operated incorrectly, it might damage the transmitter and cause personal
injury.
During the process of working or testing of optical transmitter, it is not
allowed to directly watch optical output port and bare fiber, or else it will
damage retina and cause blindness accident.
To prevent laser damage from overdriving RF, it is seriously forbidden to
input signal that is more than 82dBuv, RF connector insertion and extraction
when working normally and incorrect power-up operation are forbidden as well,
Performance of optical connector has big influence on the performance of

User’s manual
optical transmitting link, this device applies good quality FC/SC connector, it
must apply good quality active fiber connector in the same specification to
ensure system working stably and reliably. Cleanness of All active connectors
need to be ensured as well. It is required to clean active connectors by
compressed air or specialized alcohol for each reconnection.
Without specialized equipment, please do not adjust laser drive level
(modulation degree)