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Four connector styles are available for termination of plastic optical fiber: simplex, simplex latching, duplex and duplex latching. All connectors provide a snap-in action when mated to Versatile Link components. Simplex connectors are color coded to facilitate identification of transmitter and receiver connections. Duplex connectors are keyed so that proper orientation is ensured during insertion. If the POF cable/connector will be used at extreme operating temperatures or experience frequent and wide temperature cycling effects, the cable/connector attachment can be strengthened with an RTV adhesive (see Plastic Connectoring Instructions for more detail). The connectors are made of a flame retardant VALOX UL94 V-0 material (UL file # E121562).
HFBR-4663 General Description
The HFBR-4663 Single Chip 10BASE-FL Transceiver is a highly integrated circuit for IEEE 802.3 10Base-FL transceivers. This product, when used with HP's fiber-optic transmitters and receivers (HFBR-14X4 and HFBR-2416), ensures compliance to the 10Base-FL Standard with a minimum number of external components and board space.
The HFBR-4663 offers a standard IEEE 802.3 AU interface that allows it to be directly connected to industry standard manchester encoder/decoder chips or an AUI connector. The fiber-optic LED driver offers a current drive output that directly drives the HFBR-14X4 transmitter. The data quantizer section of the HFBR- 4663 is directly compatible with the output of the HFBR-24X6 fiber-optic receiver and is capable of accepting input signals as low as 2 mVp-p with a 55 dB dynamic range.
The transmitter automatically inserts 1 MHz signal during idle time and removes this signal on reception. Low light is continuously monitored for both activity as well as power level. Five LED status indicators monitor error conditions as well as transmissions, receptions, and collisions.
HFBR-4663 Maximum Ratings
Parameter
Symbol
Min.
Max.
Units
Storage Temperature
TS
-65
+150
C
Operating Temperature
TA
0
70
C
Lead Soldering Cycle Temperature
260
C
Lead Soldering Cycle Time
10
sec
Power Supply Voltage Range
VCC
-0.3
6.0
V
Input Voltage Range
Digital Inputs (SQEN, LBDIS) Tx+, Tx-, VIN+, VIN-
-0.3 -0.3
6.0| 6.0
V V
Input Current
RRSET, RTSET, JAB, CLSN, XMT, RCV, LMON
60
mA
Output Current
TxOUT
70
mA
HFBR-4663 Features
• Single Chip Solution for 10BASE-FL Internal or External Medium Attachment Units (MAUs) • Specifically Designed for Use with HFBR-14X4 and HFBR-24X6 Fiber-optic Transmitters and Receivers • Incorporates an AU Interface • Highly Stable Data Quantizer with 55 dB Input Dynamic Range • Input Sensitivity as Low as 2 mVP-P • Current Driven Fiber Optic LED Driver for Accurate Launch Power • Single +5 Volt Supply • No Crystal or Clock Required • Five Network Status LED Outputs • Available in 28 Pin PCC Package • Semi-Standard Option Available