FIBERLINK®
5002
RS-232 Digital Data Transmission System
USER’S MANUAL
WORLD HEADQUARTERS
55 Cabot Court
Hauppauge, N.Y. 11788 USA
TEL: (631) 273-0404 • FAX: (631) 273-1638
INTERNET: http://www.commspecial.com
EMAIL: info@commspecial.com
Communications Specialties Pte Ltd
100 Beach Road
#22-09 Shaw Tower
Singapore 189702
Tel: +65 6391 8790
FAX: +65 6396 0138
Internet: www.commspecial.com
Email: csiasia@commspecial.com
P/N: 102181 Rev. E
1
GENERAL INFORMATION
The Fiberlink 5002 is a solid state “optical modem” that transmits RS-232 type data. It is
designed to operate, error free, over distances of more than 2 miles via standard multimode fiber optic cable. The unit is ideal for extending the normal transmission range of
most RS-232 compatible equipment and accessories and may be user-configured to either
the DCE or DTE mode. The 5002 can be used to implement a point-to-point or a dropand-repeat system.
T
R
T
R
Fiber Optic Cable
5002 5002
To
RS-232
Port
To
RS-232
Port
PP
Operating Power May Be Applied Through The
"P" Port or Through The DB-25 Connector Pins
Typical Drop-and-Repeat System Configuration
T
RT
R
Fiber Optic Cable
5002 Set to
Drop-and-Rpt
5002 Set to
Drop-and-Rpt
To
RS-232
Port
To
RS-232
Port
PP
Operating Power May Be Applied Through The
"P" Port or Through The DB-25 Connector Pins
T
R
5
0
0
2
S
e
t
t
o
P
o
i
n
t
-
t
o
-
P
o
i
n
t
P
To System
Host
RS-232
Port
T
R
5002 Set to
Drop-and-Rpt
To
RS-232
Port
P
Note that the 5002 unit connected to the system Host does not repeat optically received data.
All other units re-transmit both optically received and locally generated data.
Typical Point-to-Point System Configuration
3
Technical Specifications
Data Transmission Rate ................................ DC to 120 Kb/s
Operating Mode ............................................ Simplex, Duplex, Asynchronous
Point-to-Point, Drop and Repeat
Compatibility ................................................. RS-232D, DCE or DTE
Input Signal Voltage ......................................
+ 5 to +30 volts per EIA RS-232D
Output signal Voltage ....................................
+ 5 to +10 volts per EIA RS-232D
Optical Loss Budget ..................................... 15 dB typical 62.5u Fiber
Operating Wavelength .................................. 850 nm
Optical Connectors ....................................... Industry standard ST
Signal Connector .......................................... Industry standard DB-25P
Power Connector .......................................... 2-Pin Coaxial
Operating Temperature Range ...................... -35 to +75 degrees, C
5
INTERFACE TROUBLESHOOTING
The following tabulation indicates what to look for if the system does not operate
properly. It assumes that correct operating power (12 VDC) has been applied to either pin
9 of the DB-25 connector or to the coaxial power connector (not both).
5002 set to DTE and transmitting data
5002 set to DTE and receiving data
Pin Description Condition
1 Chassis Ground (input/output) 0 VDC
2 Transmitted Data (input) Pulses at data rate
3 Received Data (output) Undetermined
4 Request to Send (input) Connected to pin 5
5 Clear to Send (output) Connected to pin 4
6 Data Set Ready (output) Connected to pins 8/20
7 Signal Ground (input/output) 0 VDC
8 Data Carrier Detect (output) Connected to pins 6/20
20 Data Terminal Ready (input) Connected to pins 6/8
Pin Description Condition
1 Chassis Ground (input/output) 0 VDC
2 Transmitted Data (input) Undetermined
3 Received Data (output) Pulses at data rate
4 Request to Send (input) Connected to pin 5
5 Clear to Send (output) Connected to pin 4
6 Data Set Ready (output) Connected to pins 8/20
7 Signal Ground (input/output) 0 VDC
8 Data Carrier Detect (output) Connected to pins 6/20
20 Data Terminal Ready (input) Connected to pins 6/8
7
WARRANTY
Communications Specialties, Inc. (CSI) warrants that for a period of three years after
purchase by the Buyer, the Fiberlink 5002 RS-232 data transceiver will be free from defects
in material and workmanship under normal use and service. A Return Material Authorization (RMA) number must be obtained from CSI before any equipment is returned by the
Buyer. All material must be shipped to CSI at the expense and risk of the Buyer.
CSI’s obligation under this warranty will be limited, at its option, to either the repair or
replacement of defective units., including free materials and labor. In no event shall CSI
be responsible for any incidental or consequential damages or loss of profits or goodwill.
CSI shall not be obligated to replace or repair equipment that has been damaged by fire,
war, acts of God, or similar causes, or equipment that has been serviced by unauthorized
personnel, altered, improperly installed or abused.
RMA numbers and repairs can be obtained from:
Communications Specialties, Inc.
55 Cabot Court
Hauppauge, NY 11788
Tel: (631) 273-0404 Internet: www.commspecial.com
FAX: (631) 273-1638 Email: info@commspecial.com
Customers in the Asia Pacific Region may contact Communications Specialties Pte Ltd:
Tel: +65 6391 8790 Internet: www.commspecial.com
FAX: +65 6396 0138 Email: csiasia@commspecial.com
Please have your serial number available when contacting us.
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