©2015 Glenair, Inc.

REV: 3

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 6 of 15

E-mail: sales@glenair.com

050-320 Product Brief

PCB Mount Dual Receiver for Single Mode Fiber

100 Mbps – 4.25 Gbps, 3.3V

RECEIVER SECTION

Receiver Loss of Signal (LOS)

The Loss Of Signal (LOS) output indicates an unusable optical input power level. The post-amplification IC includes

transition detection circuitry which monitors the ac level of incoming optical signals and provides a TTL/CMOS compatible

status signal to the host. A low LOS logic level indicates the presence of an optical input while a high LOS logic level

indicates an unusable optical input. The LOS thresholds are factory-set so that a high output indicates a definite optical

fault has occurred (e.g. failed transmitter, broken or disconnected fiber connection to the PCB Mount Module, etc.). The

LOS can also be monitored via the 2-wire serial interface (address A2h and A4h, byte 110, bit 1).

Figure 2

PCB mount Dual-Receiver Block Diagram