1550nm External Optical Transmitter for Distribution Network

• Customization: Available
• Type: Fiber Transceiver
• Certification: CE, ISO
• Model NO.: ST1550E
• Fiber Optical Transmitters Wavelength: 1550nm
• Optical Transmitter Snmp Interface: RJ45
• Optical Transmitter RF Bandwidth: 47-862MHz
• Optical Transmitter Receiver Sbs: 13~20dBm Adj
• Optical Transmitter Serial Interface: RS232
• Transport Package: Standard Export Package
• Specification: 55x55x14cm
• Trademark: SOFTEL
• Origin: Zhejiang, China

Product Description

1550nm External Optical Transmitter For Distribution Network

ST1550 series Advanced type Externally Modulated CATV optical transmitter adopts low noise, narrow bandwidth, and continuous wave laser as its light source. It uses high linearity LiNbO3 external modulator to modulate signal. It eliminates the Chirp Effect of 1550nm direct modulation laser. Due to adopting owned system optimized control technology & using top grade key parts , the machine's technique performance index achieves the standard of same advanced products in the world totally.

PARAMETERS FOR 1 OUTPORT
 

Performance			Index		Supplement
Optic feature	Operating wavelength	(nm)	1540~1563
			ITU-TG.692
	Wavelength adjustable range	(nm)	±1.6 (±200GHz)
	Wavelength adjustable mode		±0.05nm stepping
	Linewidth	(MHz)	≤1		FWHM(Δλ)
	Side mode suppression ratio	(dB)	≥45		SMSR
	Equivalent noise intensity	(dB/Hz)	≤-160		RIN (20~1000MHz)
	Output power	(dBm)	1×5		Optional 1×3, 1×6, 1×7
	Return loss	(dB)	≥55
	optical fiber connector		SC/APC		Optional FC/APC,LC/APC
RF feature	Work bandwidth	(MHz)	47-862		47~1000, 47~1080 optional
	Input level	(dBmV)	18~28		AGC
	Flatness	(dB)	≤±0.75		45~862MHz
			≤±1.5		862~1000MHz (optional)
	Return loss	(dB)	>16
	Input impedance	(Ω)	75
	RF port		F-Female
Link feature	Transmit channel		PAL-D/60CH	PAL-D/99CH
	CNR1	(dB)	≥52	≥50.5	Back to back
	CNR2	(dB)	≥50.5	≥49	50Km optical fiber, 0dBm receive
	CTB	(dB)	≤-65	≤-65
	CSO	(dB)	≤-65	≤-65
	SBS restrain	(dBm)	13
General feature	SNMP network management interface		RJ45
	Communication interface		RS232
	Power supply	(VAC)	90~265		50/60Hz
		(VDC)	-48		30~72
	Power Consume	(W)	≤50		Single power works
	Operating temp.	(°C)	0~50		Machine temp. control automatically
	Storage temp.	(°C)	-40~85
	Operating relative humidity	(%)	5~95
	Size	(")	19×14.5×1.75 (W)x(D)x(H)

PARAMETERS FOR 2 OUTPORT
 

Performance				Index
Wavelength ADJ. Range			(nm)	±1.6 (±200GHz)
Wavelength ADJ. Mode				±0.05nm stepping
Side mode suppression ratio			(dB)	≥45
Equivalent noise intensity			(dB/Hz)	≤-160
Input level			(dBmV)	18~28
Input impedance			(Ω)	75
RF connector				F-Female
SNMP NM interface				RJ45
Communication interface				RS232
Linewidth			(MHz)	Typ.=0.65
Output power			(dBm)	2*3,2*5, 2*6, 2*7, 2*9, 2*10, 2*11 optional
Return loss			(dB)	≥50
Link feature	Transmit channel PAL-D/60CH	CNR1	(dB)	≥53
		CNR2	(dB)	≥51.5
		CTB	(dB)	≤-65
		CSO	(dB)	≤-65
	Transmit channel PAL-D/99CH	CNR1	(dB)	≥51.5
		CNR2	(dB)	≥49.5
		CTB	(dB)	≤-65
		CSO	(dB)	≤-65
SBS restrain adjustable			(dBm)	13~18
Optical fiber connector				SC/APC

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FAQ

1. What are the payment terms that you support?
Usually, we accept T/T, PayPal, Western Union, and Alibaba Trade Assurance. You can select the terms of payment which is more convenient for you.

2. What about the lead time?
Usually, if there's stock, we ship the goods within 3~5 working days after the deposit is confirmed. If it is out of stock, the lead time depends.

3. How about the shipping?
When the package is small, we normally choose FedEx, DHL, TNT, and UPS and so on, while the goods have high weight and volume, we suggest using air or sea shipment.

4. How can I place an order?
(1) Negotiation is agreed upon for the product price and specifications.
(2) The Proforma invoice will be sent for confirmation.
(3) After the agreement on the proforma invoice, the customer makes the deposit.
(4) Manufacturing will be started as soon as the payment is confirmed by our bank.
(5) Ship out the goods within the agreed delivery deadline.

5. Can you do OEM for us?
Yes. If there is a certain order quantity, we can do OEM including printing, logo, and customized model for you.

6. How about the Warranty?
There are 12 months for the warranty.
While the warranty is not responsible for those broken by violence or updated with other brands.