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OPTICAL SYSTEMS DESIGN 

 

DOC ID: 10117202 

OSD139HS OPERATOR MANUAL

 

 

Page 6 of 16 

1.4

 

TECHNICAL SPECIFICATIONS 

 
Table 2 below provides the Technical Specifications for the OSD139HS. 
 

TABLE 2: TECHNICAL SPECIFICATIONS 

 
 

SPECIFICATION 

PERFORMANCE 

Data Supported 

RS232 signals (asynchronous) 

Data Rate 

DC to 120kbps asynchronous 

Pulse Distortion 

<±3

µ

S over full dynamic range 

Transmit Optical Power 

–25 to -19dBm peak into multimode fiber (OSD139HS only) 
–25 to -15dBm peak into singlemode fiber (OSD139HSL only) 

Receiver Sensitivity 

< - 44dBm peak for 10

–9

 Bit Error Rate 

Optical Link Budget 

> 19dB at 850nm (>5km of multimode fiber) ( OSD139HS) 
> 19dB at 1310nm (>40km of singlemode fiber ) ( OSD139HSL) 

Receiver Saturation 

>

 - 15dBm peak 

Optical Wavelength 

850nm for OSD139HS and 1310nm for OSD139HSL 

Optical Connector 

ST 

Electrical Connector 

25 pin Female D subminiature 

Electrical Output 

> ±3V from 600

 source 

DTE/DCE modes 

Switch selectable 

Powering 

+ 6V to + 12V power can be supplied via Pin 9 or via the power 
connector. Current is <10mA 

Power Connector 

1.3mm socket on side of case 

Enclosure 

Seam welded metal case 

Dimensions (mm) 

15H X 44W X 80D (excluding connectors) 

Operating temperature 

-20 to +75°C 

Relative humidity 

0 to 95% non-condensing 

 

 

 

 

Summary of Contents for OSD139HS

Page 1: ...OPERATOR MANUAL OSD139HS HIGH SPEED ASYNCHRONOUS FIBER OPTIC RS232 MODEM...

Page 2: ...OPTICAL SYSTEMS DESIGN DOC ID 10117202 OSD139HS OPERATOR MANUAL Page 2 of 16...

Page 3: ...9 2 2 4 OTHER CONNECTIONS 9 2 3 OPERATION 10 2 3 1 CONTROLS 10 2 3 2 BLOCK DIAGRAM 11 3 MAINTENANCE 12 3 1 INTRODUCTION 12 3 2 EXTERNAL INSPECTION 12 3 3 ROUTINE MAINTENANCE 12 4 WARRANTY 13 4 1 WARR...

Page 4: ...a power source in the range of 6VDC to 12VDC may be fed to the unit via Pin 9 of the 25 Pin D connector or via the 1 3mm concentric power socket mounted on the side of the OSD139HS 1 1 2 APPLICATIONS...

Page 5: ...OPTIONS There are various options available for the OSD139HS as indicated below in Table 1 TABLE 1 PRODUCTS AND OPTIONS ITEM DESCRIPTION OSD139HS Multimode asynchronous 120KBPS RS232 modem FEMALE CON...

Page 6: ...Sensitivity 44dBm peak for 10 9 Bit Error Rate Optical Link Budget 19dB at 850nm 5km of multimode fiber OSD139HS 19dB at 1310nm 40km of singlemode fiber OSD139HSL Receiver Saturation 15dBm peak Optic...

Page 7: ...oupled to signal ground Pin 2 Transmit data Modem accepts data Modem outputs data Pin 3 Receive data Modem outputs data Modem accepts data Pin 4 Request to send Connected to Pin 5 Pin 5 Clear to send...

Page 8: ...LITY This is a Class B product OPTICAL OUTPUT OPERATION WARNING Laser Safety Class 1 Laser Product per IEC EN 60825 1 20011 standard Class 1 The OSD139HS is a Class 1 laser product PRECAUTIONS All ser...

Page 9: ...cket OSD139MB as an accessory if required FIGURE 3 DIMENSIONS 2 2 3 POWER SUPPLY CONNECTIONS 6VDC to 12VDC power may be supplied to the unit via Pin 9 of the 25 Pin D connector if non standard RS232 d...

Page 10: ...ent as it could contaminate the modem connecter and result in poor and degraded performance If it is necessary to clean the cable connecters use isopropyl alcohol with a lint free tissue to remove any...

Page 11: ...OR MANUAL Page 11 of 16 2 3 2 BLOCK DIAGRAM Figure 6 below is a simple block diagram of the OSD139HS FIGURE 6 OSD139HS BLOCK DIAGRAM V V DC DC Converter 1 Case Ground 1K 240 V V V 600 DTE DCE Switch O...

Page 12: ...he unit are expensive and may be damaged by failure of any portion of their support circuitry Some components within the unit are electrostatic sensitive and ESD precautions should be taken when perfo...

Page 13: ...adequate packing material 4 2 1 WARRANTY REPAIRS Return shipments to OSD shall be at customer s expense and freight back to the customer will be at OSD expense 4 2 2 OUT OF WARRANTY REPAIRS OSD reser...

Page 14: ...OPTICAL SYSTEMS DESIGN DOC ID 10117202 OSD139HS OPERATOR MANUAL Page 14 of 16...

Page 15: ...OPTICAL SYSTEMS DESIGN DOC ID 10117202 OSD139HS OPERATOR MANUAL Page 15 of 16...

Page 16: ...ko Pl Warriewood 2102 P O Box 891 Mona Vale N S W Australia 2103 Telephone 61 2 9913 8540 Facsimile 61 2 9913 8735 Email osdsales osd com au Web Site www osd com au OPTIC L SYSTEMS DESIGN PTY LTD A B...

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