User's Manual

Documentation Number 11401198 Manual 3
B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350
PH (815 433-5100 -- FAX [phone]
2.0 GENERAL INFORMATION
Thank you for your purchase from B&B Electronics. This product
has been thoroughly inspected and tested and is warranted for One
Year parts and labor. If any questions or problems arise during
installation or use of this product, please do not hesitate to contact
B&B Electronics Technical Support at [phone].
2.1 FEATURES
• Supports async. or sync. communication over dual optical fibers
• V.52 and V.54 diagnostics
• Data rates to 38.4 Kbps
• Range to 2 miles
• Immune to RFI/EMI noise, ground loops and transient surges
• Easily accessible Diagnostic & Configuration Switches
• Jumper-selectable carrier control
• Requires no AC power or batteries
• Two easy-to-read status indicators
• Male or female DB-25 and SMA or ST connectors available
2.2 DESCRIPTION
The B&B Model 1140 miniature dual fiber optic modem brings
fiber to the desktop. Combining the inviolability of fiber with the
troubleshooting capabilities of V.52 and V.54 diagnostics, the Model
1140 is the best choice for your most critical RS-232 links. The
Model 1140 operates async. or sync., supports data rates to 38.4
Kbps and plugs directly into a workstation's RS-232 port. Like all
fiber optic modems, the Model 1140 is inherently immune to
RFI/EMI noise, ground loops and transient surges. The carrier may
be switch selected as either "Continuously On" or "Controlled by
RTS". The RS-232 connector is configured as DCE.
Two easy-to-read LED indicators monitor the Error and Test
modes. Drawing all necessary power from the RS-232 interface, the
Model 1140 requires no AC power or batteries to operate.
Measuring only 3.42" x 2.10" x .73", the Model 1140 is able to fit into
tight installation spaces. On the RS-232 side, the Model 1140 comes
equipped with either a male or female DB-25 connector; on the fiber
side it is available with a choice of SMA or ST connectors.