1X8 MEMS OSW CP Device

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Description

Product Function

MEMS OSW is based on micro-electro-mechanical system (MEMS) technology, which achieved low insertion loss and highly repeatability by rotating the mirror of MEMS chip.

MEMS OSW is mainly used in optical cross and connection (OXC) system, optical add/drop system, measure instrument system and optical signal monitoring system.

The products are Telcordia GR-1073-CORE qualified, and RoHS compliant.

Product Configurations

Note: “C”: common port

“1、2、3...16”:possible selected output ports=1~16

Optic Specification

No.	Parameters	Unit	Value	Notes
2.1	Wavelength	nm	1528~1565	or customer specify
2.2	Test Wavelength	nm	1550	-
2.3	OSW Channels	-	8	-
2.4	Insertion Loss	dB	≤1.0	@CWL±20nm, 23°C Without connectors
2.5	Return Loss	dB	≥40	-
2.6	Repeatability	dB	≤0.1	-
2.7	Crosstalk	dB	≥40	-
2.8	Polarization Dependence Loss	dB	≤0.2	-
2.9	Wavelength Dependence Loss	dB	≤0.3	@CWL±20nm, 23°C
2.10	Temperature Dependence Loss	dB	≤0.4	-
2.11	Operation Temperature	°C	-5~70	-
2.12	Storage Temperature	°C	-40~85	-
2.13	Switch Time	ms	≤30	-
2.14	Durability	cycle	≥1x109	-
2.15	Maximum optical Power	mW	≤500	-
2.16	Switch Mode	-	Non-latching	-
2.17	Control Voltage	V	5±0.25v	-

Operation/storage Temperature/humidity

NO	Parameter	Specification	Unit	Note
3.1	Operation Temperature	-5~65	°C	-
3.2	Storage Temperature	-40~85	°C	-
3.3	Operation Humidity	5~95	%RH	-
3.4	Storage Humidity	5~95	%RH	-

Pigtail and Connector

NO	Parameter	Specification	Unit	Note
4.1	Fiber Type	G657A2 or G657B3 250um bare fiber	-	-
4.2	Fiber Pigtail(All Ports)	250um fiber	-	-
4.3	Fiber Length(All Ports) (customer specify）	1.00±0.05（customer specify）	m	with connector length
4.4	Optical Connector (All port)	None （customer specify）	-	-

Mechanical Drawings

Optic Ports and Electronic Pins Definition

Electronic Pins Definition

Pin Number	Name	Input/Output	Level	Function
1	NC	No connect	-	-
2	VCC	Power supply	-	+(5.0±5%) V Power Supply Max 100mA
3	Strobe	Input	LVTTL	Reserved
4	GND	Power supply ground	-	Power supply ground
5	D0/A0	Input	LVTTL	Reserved
6	TXD	Input/Output	LVTTL	For TTL Mode: Not used
6	TXD	Input/Output	LVTTL	For UART Mode: DATA output
7	RXD	Input	LVTTL	For TTL Mode: Not used
7	RXD	Input	LVTTL	For UART Mode: DATA input
8	I/F Mode	Input	LVTTL	Reserved
9	D2/A2	Input	LVTTL	Reserved
10	/Done	Output	LVTTL	Reserved
11	Case GND	Case ground	-	Case ground
12	D1/A1	Input	LVTTL	Reserved
13	D3/A3	Input	LVTTL	Reserved
14	Reset	Input	LVTTL	Reset, low active, the pulse width needs 4ms

Parameter	Description	Min.	Max.	Units	Comment
Tsw	Optical switching time. During this period there may be invalid optical transmission on all channel	-	40	ms	-
PWR-RDY	Power-up ready. The switch may lock up if TTL-level signals are applied to the data input	200	-	ms	SW must touch the OSW after power up for this time interval
MCU-RST	A falling pulse will revert the switch to the default state	500	-	μs	-
MCU-RDY	MCU reset ready begins from the rising edge of the reset pulse	400	500	ms	SW must provide time delay OSW reset and OSW channel select write
Note: 1、Block function, the RESET PIN must be asserted to low level for at least 500us. And then go to high level. Define the maximum time of MCU_RDY as 500ms. After MCU_RDY, the OSW will be in BLOCK state. Maximum frequency of block is once per second. 2、TTL Mode means TTL parallel Mode, UART Mode means TTL UART Mode. 3、TTL Mode is retained by hardware, but not implemented in firmware.

Port Control

Setting channel info
Command	FLAG1	LEN	RES	COMMA	DATA	SUM
	0xEFEF	0x04	0xFF	0x04	CHANNEL (1byte)	SUM
	EF EF 04 FF 04 07 EC
Response	FLAG2	LEN	RES	RESP	DATA	SUM
	0xEDFA	0x04	RES	0x04	Success：0xEE Failure：0xEF	SUM
	ED FA 04 FF 04 EE DC
Getting channel info
Command	FLAG1	LEN	RES	COMMA	DATA	SUM
	0xEFEF	0x03	RES	0x02	-	SUM
	EF EF 03 FF 02 E2
Response	FLAG2	LEN	RES	RESP	DATA	SUM
	0xEDFA	0x04	RES	0x02	CHANNEL (1byte)	SUM
	ED FA 04 FF 02 07 F3

Note:When channel 0 is set, the voltage is 0, that is block state

Fiber Length

Label Definition

On the module
P/N: xxxxxxxxxxx
S/N: xxxxxxxx

Label Definition

X=com,CH1,CH2,CH3……CHN

Others

ESD Packing
RoHS and GR-1073 compliance