Wr-1201-Jk-Td 1.2g FTTB Optical Receive Obi Free Optical Node

• Customization: Available
• Type: CATV Equipment
• Function: Signal Transmitting Device
• Model NO.: WR-1201-JK-TD
• Condition: New
• Receiving Optical Power: -8 ~ 0dBm
• Optical Return Loss: >16dB
• Optical Receiving Wavelength: 1100~1610nm
• C/N: ≥ 52dB
• C/CTB: ≥ 60dB
• C/Cso: ≥ 60dB
• Transport Package: Netural
• Specification: 1.2Ghz
• Trademark: Prevail
• Origin: China
• HS Code: 8517622990
• Production Capacity: 5000PCS/Month

Product Description

1. Product Overview
WR-1201-JK-TD series FTTB Node is mainly used for RFOG network. Its return path laser can work in burst mode. The upstream output optical wavelength can be set as CWDM standard wavelength to shield the OBI effectively.
 
2. Performance Character

• Operating frequency: 5~85/110-1218MHz; support smoothly update on the spot (5~204/258-1218MHz).
• Support downstream optical AGC, whose control range is 0~-5/-6/-7dBm adjustable.
• Adopt electric adjusting mode for both EQ and ATT circuit, using LED displaying screen to modify directly.
• Upstream output optical wavelength is optional (or specified by the user).
• RFoG can be set as burst mode or continual mode.
• Support DOCSIS 3.0 system and OBI Free

3. Block Diagram


4.Structure Description

1	Optical input	2	LED for input optical power	3	LED for output optical power
4	Optical output	5	Upstream laser iutput level test port	6	RF port (input/output)
7	Power supply port	8	Downstream RF output test port

5,Technical Parameter
5.1 Forward Path

Item	Unit	Technical Parameter
Receiving Optical Power	dBm	-8 ~ 0
Optical AGC Control Range	dBm	-5/-6/-7/ ~ 0(default as -5~0 )
Optical Return Loss	dB	>45
Optical Receiving Wavelength	nm	1100~1610
Optical Connector		SC/APC
Optical Fiber Type		single mode
Frequency Range	MHz	110/258 ~1218
Flatness in Band	dB	±0.75 @Pin=-3dBm
Rated Output Level	dBμV	≥ 108 (@-5~0dBm)
Maximum Output Level	dBμV	≥ 110
Output Return Loss	dB	>16dB, -1.5dB/oct.
Attenuator Range	dB	0 ~15
C/N	dB	≥ 52(0dBm optical power input)
C/CTB	dB	≥ 60	CENELEC 42 kanal, EQ=6dB, output level 105dBμV@1218MHz.
C/CSO	dB	≥ 60

 

5.2 Return Path

Item	Unit	Technical Parameter
Optical Transmitting Wavelength	nm	1470 ~ 1610 (CWDM, all ITU wavelength)
Output Optical Power	mW	2
Optical Connector		SC/APC
Maximum Time from Application of RF to 90% Optical Power (Ready to Late-side Mask)	us	1.3
Maximum 10- 90% Optical Power Rise Time (Ready from Late-side Mask 10% to Early-side Mask 90%)	us	1.0
Minimum 10- 90% Optical Power Rise Time (Ready from Late-side Mask 10% to Early-side Mask 90%)	ns	100
Maximum Time from Removal of RF to the Time the Optical Carrier Falls to 10% of its Steady-state Amplitude (Ready to Late-side Mask)	us	1.6
Maximum 90- 10% Optical Power Fall Time	us	1.0
Minimum 90- 10% Optical Power Fall Time	ns	100
Frequency Range	MHz	5 ~ 85/204
Flatness in Band	dB	±0.75
Output Impedance	Ω	75
Return Loss	dB	>16dB
NPR Dynamic Range	dB	>15@NPR>30dB
Laser turn on Level	dBμV	67±1
Laser turn off Level	dBμV	58±1
Attenuator Range	dB	0~15

5.3 General Character

Item	Unit	Technical Parameter
Power Voltage	V	AC (150~265)
Protection Class		IP 41
Operating Temperature	ºC	-40~60
Storage Temperature	ºC	-40~65
Relative Humidity	%	Maximum 95% (no-condensing)
Power Consumption	VA	≤ 15
Dimension	mm	200 (L)* 175 (W)* 60 (H)

6. Function Display and Operating Instruction
Open the optical receiver to set it. The following is the diagram of LED digital display tube and control button.

Enter Key: cyclical page turning and input validation.
Up key: press this button for 3s to enter into the adjust mode.
Down key: press this button for 3s to enter into the adjust mode.