1550nm Advanced Type Optical External Transmitter

• Type: Optical Transmitter
• Certification: CE
• Condition: New
• Model NO.: HT8500H
• Name: 1550nm Externally Transmitter
• Feature: Externally Modulated
• Operating Wavelength: Itu-Tg.692
• Work Bandwidth: 47~862MHz
• Cnr: 54dB
• CTB: -65dB
• Cso: -65dB
• Sbs: 13~19dBm
• Approved: 3rd Part Certification
• Transport Package: 54*64*14cm
• Specification: 1u
• Trademark: AITC
• Origin: China
• HS Code: 8517622100
• Production Capacity: 1000sets/Month

Product Description

HT8500H
1550nnm Advanced type Optical External Transmitter
(47~862MHz, CNR1≥ 53dB, SBS: 13~18dBm adj. )

Product features
1. High performance: Externally modulated technology, no laser chirp, low dispersion Distortion, high extinction ratio, with excellent characteristic within 40~862MHz.
2.1+1 powers supply back, up hot-plug function available.
3. Narrow bandwidth (0.65MHz), lower noise, DFB continuous wave laser, is propitious to Reduce the influence of the dispersion.
4. The operating bandwidth is up to 47~1080MHz.
5. CNR ≥ 53dB and excellent CTB, CSO index.
6. SBS: 13~18dBm adjustable.
7. ITU standard wavelength, ± 200GHz (± 1.6nm) adjustable.
AGC/MGC mode is optional at spot. OMI can be optimized at spot.
8. Perfect RS232 communication interface.
9. Advanced SNMP network management function.
10. Casing temperature auto-control.
11. Excellent P/P ratio.

Main application
1. Used in main links and distribution network links in large and middle CATV station
Head-end.
2. HT8500HU ITU wavelength adjustable, applicable to the value-added service of DWDM
Fiber optic CATV system and CFG dispersion compensation system.
3. It can be used in branch FTTH that has high system index demand. Point to Point>65Km, CSO ≤ -65dB. It can provide high qualified and reliable value-added service such as RFTV, IPTV and VOD for the secondary users. It can also avoid the limitation of CSO deterioration and transmission distance caused by laser chirp for adopting 1550nm direct modulated optical transmitter.

Technical Index

Performance			Index		Supplement
Optic feature	Operating wavelength	(nm)		1548~1563		HT8500HC
				ITU-TG. 692		HT8500HU
	Wavelength ADJ. range	(nm)		± 1.6 (± 200GHz)		HT8500HU
	Wavelength ADJ. mode			± 0.05nm stepping		HT8500HU
	Linewidth	(MHz)		Typ. =0.65		FWHM(Δ λ ) (-3dB fullwidth)
	Side mode suppression ratio	(dB)		≥ 45		SMSR
	Equivalent noise intensity	(dB/Hz)		≤ -160		RIN (20~1000MHz)
	Output power	(dBm)		2× 7		Optional 2× 5, 2× 6, 2× 9, 2× 10
	Return loss	(dB)		≥ 50
	optical fiber connector			SC/APC		Optional LC/APC, FC/APC
RF feature	Work bandwidth	(MHz)		47-862		47~1000, 47~1080 optional
	Input level	(dBmV)		18~28		AGC
	Flatness	(dB)		≤ ± 0.75		47~862MHz
				≤ ± 1.5		862~1000MHz (optional)
	Return loss	(dB)		> 16		47~1000MHz
	Input impedance	(Ω )		75
	RF port			F-Female
Link feature	Transmit channel			PAL-D/60CH	PAL-D/99CH
	CNR1	(dB)		≥ 53	≥ 51.5	Back to back
	CNR2	(dB)		≥ 51.5	≥ 49.5	65Km optical fiber, 0dBm receive
	CTB	(dB)		≤ -65	≤ -65
	CSO	(dB)		≤ -65	≤ -65
	SBS restrain	(dBm)		13~18		Adjustable
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
	Work 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)