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050-357 Datasheet(PDF) 8 Page - Glenair, Inc. |
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050-357 Datasheet(HTML) 8 Page - Glenair, Inc. |
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8 / 15 page  ©2015 Glenair, Inc. REV: 1 US Cage Code 06324 Printed in USA GLENAIR, INC. ∙ 1211 AIR WAY ∙ GLENDALE, CA 91201-2497 ∙ TEL: 818-247-6000 ∙ FAX: 818-500-9912 www.glenair.com PAGE 8 of 15 E-mail: sales@glenair.com 050-357 Product Brief PCB Mount Dual-Receiver HD-SDI & 3G-SDI, SMF, 3.3V The PCB mount Dual-Receiver interfaces with the host circuit board through twenty I/O pins identified by function in Table 6. The Dual-Receiver high speed receive interface requires SFP MSA compliant signal lines on the host board. The Rx_LOS lines require TTL lines on the host board (per SFF-8074i) if used. If an application chooses not to take advantage RX_LOS do not need to be connected. Digital Diagnostic Interface and Serial Identification (EEPROM) The PCB mount Dual-Receiver is derived from the SFF-8074i SFP specification and with SFF-8472, the SFP specification for Digital Diagnostic Monitoring Interface, but modified to account for Dual-Receiver functionality. Both specifications can be found at http://www.sffcommittee.org. FIGURE 4 – DIGITAL DIAGNOSTIC MEMORY MAP OVERVIEW The PCB mount Dual-Receiver features EEPROM for Serial ID, which contains the product data stored for retrieval by host equipment. This data is accessed via the 2-wire serial EEPROM protocol of the ATMEL AT24C01A or similar, derived from with the industry standard SFP Multi-Source Agreement but modified to account for Dual-Receiver functionality. The base EEPROM memory, bytes 0-255 at memory address A0h, is organized in compliance with SFF- 8074i. As an enhancement to the conventional SFP interface defined in SFF-8074i, the PCB mount Dual-Receiver is derived from SFF-8472 (digital diagnostic interface for optical transceivers) with memory organized as shown in Figure 4. This new digital diagnostic information is stored in bytes 0-255 at memory address A2h (RX1) and A4h (RX2). Using the 2- wire serial interface defined in the MSA, the PCB mount Dual-Receiver provides real time temperature, supply voltage, and received input power. These parameters are internally calibrated, per the SFF-8472 MSA. The digital diagnostic interface also adds the capability to monitor for Receiver Loss of Signal (RX_LOS). The diagnostic information provides the opportunity for Predictive Failure Identification, Compliance Prediction, Fault Isolation and Component Monitoring. |
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