Installing The Wt-1550-Em20 Optical Transmitter; Receiving And Inspecting; Mounting Wt-1550-Em20 - Prevail-Catv WT-1550-EM20 Series Operating Manual

Display
Set RF MODE
Set AGC Set MGC
Set SBS Suppression
Set ITU
Set Channel Distance
Set LASER
Set IP Address
Set Mask
Set Gateway
Set Trap1 Address
Set Trap2 Address
Set Buzzer Alarm
Restore Factory Cfg
3.4.4 Alarm Menu
The displayed alarm content
RF IN Status
Laser Bais
Laser TEC
OutPutPower Status
-5V Status
+5V Status
+12V Status
-12V Status
+24V Status
Laser
CSO Initialization failed
Power invalid

4. Installing the WT-1550-EM20 Optical Transmitter

4.1 Receiving and Inspecting

As you unpack your unit, inspect the shipping container and equipment for damage. Save the shipping
material for future use. If the container or the equipment is damaged, notify both the freight carrier and us.

4.2 Mounting WT-1550-EM20

4.2.1 Mounting the EM20 in the Rack
Mounting the EM3O in the standard 19 inch equipment rack:
1. Place the equipment in the rack.
2. Use four screws fixed the mounting lug on the WT-1550-EM20 front panel to the rack.
3. Reliably ground the equipment. The ground terminal is on the rear panel.
4. Visually inspect each key (button) on the front panel to ensure that it is not trapped under the edge of its
hole. If a key is trapped, tap the key to enable it to move freely.
Rev1.1 190510 www.prevail-catv.com
No. 27-1, Youyi Road, Guali Town, Xiaoshan District, Hangzhou City, Zhejiang Province.
Comments
Set RF control mode
Set RF adjusted value
Set SBS value
Set optical wavelength
Set channel distance
Set laser status
Set IP address
Set subnet mask
Set gateway
Set trap1 address
Set trap2 address
Set buzzer alarm
Restore factory settings
HIGH（LOW）
HIGH（LOW）
HIGH
HIGH（LOW）
HIGH（LOW）
HIGH（LOW）
HIGH（LOW）
HIGH（LOW）
HIGH（LOW）
OFF
LEFT（RIGHT ）
Remarks
MGC and AGC two modes selectable
Adjustable range 0~15dB with MGC mode
Adjustable range -3~+3dB with AGC mode
Range 13~19dBm, 0.5dB stepping
Range ± 50GHz
6MHz, 7MHz, 8MHz
ON/OFF
ON/OFF
Comment
The RF input signal is high (low)
The laser bias current is high (low)
The laser cooling current is high
The output optical power is high (low)
The -5V voltage is high (low)
The +5V voltage is high (low)
The +12V voltage is high (low)
The -12V voltage is high (low)
The +24V voltage is high (low)
The laser is off
The CSO initialization is failed
The left (right) power is invalid
Manual of Prevail
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