Basic Info.
Model NO.
ST1550E
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
Factory direct 1550nm catv optical transmitter ftth external at the Wholesale Price
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
PARAMETERS FOR 2 OUTPORT
Company information
Shipping & Package
Customer feedback
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.
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 | |||||||
Company information
Shipping & Package
Customer feedback
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.