LATCHING FIBER OPTIC 1xN SWITCHES

Transcription

1 LATCHING FIBER OPTIC 1xN SWITCHES OVERVIEW The fiber optic LATCHING 1xN switches are very fast bidirectional opto-mechanical switches based on the MEMS technology. The component makes an optical connection between a common port and either one of N ports. The underlying MEMS technology permits to obtain low insertion loss combined with high crosstalk between channels with constant switching performance. The switch communicates over an UART interface; an additional I2C/SMBus or USB interface is optionally available. Sercalo s highly reliable switching mechanism uses integrated micro-mirrors that can be moved in or out of the optical path by electrostatic actuation. The latching mechanism offers the best repeatability and long term stability. The component is designed to conform to Telcordia 1221 reliability standards. The miniature package withstands rugged environments and is well suited for direct mounting on printed circuit boards. FEATURES Low insertion loss Fast switching time Highest Repeatability Reliable UART, I 2 C/SMBus and USB interfaces Custom networks available on request Demo-board with Ethernet interface available on request APPLICATIONS Optical reconfiguration Optical network protection/restoration Instrumentation Test and measurement Contact: Sercalo Microtechnology Ltd. Landstrasse 151, 9494 Schaan Principality of Liechtenstein Tel Fax info@sercalo.com

2 DESCRIPTION Sercalo s latching type fiber optic 1xN switches are based on a bidirectional architecture. The component makes an optical connection between a common port and either one of N ports. A microcontroller supervises the routing configuration and communicates through an UART interface with TTL (option A) or RS-232 (option B) voltage levels. A further I2C/SMBus or USB interface is available. An evaluation board with Ethernet interface is available on request. TECHNICAL SPECIFICATIONS Unit Min Typ Max Optic Wavelength Range 1 nm Insertion Loss 2 db Crosstalk db Return loss db Switching Time ms 3 10 Repeatability 3 db Polarisation Dependent Loss db Durability cycles No wear out Electric Supply Voltage (Vdd) V Power Consumption mw 500 UART speed baud UART Logic Level 0 (option A) V UART Logic Level 1 (option A) V UART Mark voltage (option B) V UART Space voltage (option B) V SMBus/I 2 C bus speed kbps Reset inactive voltage 4 V Reset active voltage V Package Operation Temperature C 0 70 Storage Temperature C Pigtail length Cm Dimensions mm 95 x 127 x range for multimode: nm; 2 25 C, without connectors; 3 for constant temperature and polarisation; 4 through onboard pull-up resistor. ORDERING INFORMATION SL A I 1x8 O - 9 N 05-FC/APC UART voltage levels: A=TTL(standard) B = RS-232 (option) Secondary interface: U = USB I = SMBus/I 2 C Switch: 1x4 1x8 1x13 1x16 1x24 Enable switche (input ON/OFF) - = standard O = on/off switch on com lines Fiber type: 9 = SMF28 50= MM 50 62= MM 62 Fiber sleeve type: N = loose tube 0.9mm B = bare fiber 0.25mm C = Kevlar cable Optional Connectors: 05=50 cm FC/APC LC/PC SC/APC

3 CONNECTOR PINOUT Pin Description number With option SMBus/I 2 C With option USB 1 Ground (GND) Ground (GND) 2 Supply voltage (V DD ) Supply voltage (V DD ) 3 Reserved 5 Reserved 5 4 UART TX data UART TX data 5 Reserved 5 Reserved 5 6 UART RX data UART RX data 7 System reset (/RST) System reset (/RST) 8 SMBus/I 2 C SDA USB D+ 9 SMBus/I 2 C SCL USB D- 10 Ground (GND) Ground (GND) 5 Let reserved pins unconnected. FUNCTIONAL BLOC DIAGRAM COMMON PORT 1xN MEMS NETWORK #N OPTICAL CHANNELS RxD TxD SDA SCL UART SMBUS/I2C (OPTIONAL) MICROCONTROLLER /RST V DD GND D+ D- USB (OPTIONAL) TEMPERATURE SENSOR

4 Figure 1 SL1x8 (view from pin side) Figure 2 SL1x12 (view from pin side)

5 Figure 3 SL1x13 (view from pin side) Figure 4 SL1x16 (view from pin side)

6