HWA4700 Variable Gain EDFA

HANGZHOU HUATAI OPTIC TECH. CO., LTD
	Product Classification

HWA4700 (With SNMP)
C-Band DWDM VGA with Mid-Stage Access
Next-Generation Variable Gain EDFA

Technical index

Performace			Index			Supplement
Performace			Min	Typ	Max	Supplement
Optical feature	Working wavelength range (λ)	(nm)	1529.16		1563.86	ITU 88CH
	Input power range ¹⁾	(dB)	-35		+3	HWA4718 Typ
			-35		+3	HWA4720 Typ
			-40		0	HWA4723 Typ
			-40		0	HWA4724 Typ
	Gain range²⁾	(dB)	13		21.5	G21 Typ
			18		30	G30 Typ
			23		35	G35 Typ
			29		41	G40 Typ
			12		24	G25 Typ
	Mid-stage loss range ³⁾	(dB)	0		8
			0		10
			0		12
	Max. output power ⁴⁾	(dBm)			18.5	HWA4718
					20	HWA4720
					23	HWA4723
					24	HWA4724
	Gain flatness	(dB)		0.7	1.0	Peak-to-peak
	Noise figure	(dB)		5.0	5.9	Max. gain
	Polarization dependence loss (PDL)	(dB)			0.3
	Polarization dependence Gain (PDG)	(dB)			0.3
	Polarization mode dispersion (PMD)	(ps)			0.3
	Pump leakage power	(dB)			-30
	Return loss ⁵⁾	(dB)	40			UPC
	Wavelength range of optic management channel	(nm)	1500	1510	1520
Transient feature	Transient setting time	(μs)			500	16 dB Add / Drop
	Transient Overshoot	(dB)	-1.5		+1.0	16 dB Add / Drop
	Transient gain changes	(dB)			+0.5
General feature	SNMP network management		RJ45
	Communication interface		RS232
	Power supply	(V)	90		265	220VAC
	Power supply	(V)	30		72	-48VDC
	Power consumption	(W)			25
	Working temp.	(℃)	-5		+70
	Storage temp.	(℃)	-40		+85
	Working relative humidity	(%)	5		+95
	Size (W)×(D)×(H)	(mm)	483×205×44

Note: 1, 2, 3, 4: these optic performance are typical application, can be customized according to customers’ requirements.

5: APC optional, return loss>50dB

Function monitoring and alarm

Functions	In-Service Firm ware Upgrades
	Auto Shut Down
	Gain Control Mode with Automatic Power limiting (VGA)
	Independent Stage Mode ( on variants with Mid-Sage Access )
	Output Power Control Mode
	Pump Current Control Mode
	Eye-Safe Power Mode
	Non-Volatile Event Log
Monitors	Total Input Power
	Total Output Power
	Optical Backreflection
	Pump Status
	Chassis Temperature
Alarms	Loss-of-Signal Alarm
	Low Output Power Alarm
	Chassis Temperature Alarm
	Pump Temperature Alarm
	Pump Bias Alarm
	Excess Backreflection Alarm ( Optional )

CHassis length

Product series

Model	Max. output power(dBm)	Gain range Typ.(dB)	Input power range Typ.(dBm)	Mid-stage loss range(dB)	Monitor optical port mode	OSC Optical port mode
HWA4718-G21-M00-S00	18.5	13~21.5	+3~-30	0~8	1, M00 (Without output monitoring optical port) 2, MO (With output monitoring optical port) 3, MI (With input monitoring optical port) 4, MIO (With input and output monitoring optical port)	1,O00 ( Without OSC / Drop ) 2,OD ( OSC / Drop ) 3,OA ( OSC / Add ) 4,ODA ( OSC / Drop & Add )
HWA4718-G30-M00-S00		16~28	+3~-35	0~10
HWA4718-G35-M00-S00		23~35	0~-35	0~12
HWA4718-G40-M00-S00		28.5~40.5	+3~-30	0~12
HWA4720-G30-M00-S00	20	18.5~30.5	+3~-35	0~12
HWA4720-G35-M00-S00		23~35	0~-35
HWA4720-G40-M00-S00		29~41	+3~-35
HWA4723-G30-M00-S00	23	19~31	0~-35	0~12
HWA4723-G35-M00-S00		25~37	0~-37
HWA4723-G40-M00-S00		29~41	0~-40
HWA4724-G35-M00-S00	24	25~37	0~-37	0~12
HWA4724-G40-M00-S00	24	30.5~42.5	0~-40	0~12

Model explanation