Patton electronics 1140 User Manual

Miniature fiber optic modem w/v.54 diagnostics

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USER
M A N UA L
MODEL 1140
Miniature Fiber Optic
Modem w/V.54
Diagnostics
SALES OFFICE
Part# 07M1140-A
Doc# 018041UA
(301) 975-1000
Revised 9/21/94
TECHNICAL SUPPORT
(301) 975-1007
http:www.patton.com

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Summary of Contents for Patton electronics 1140

  • Page 1 USER M A N UA L MODEL 1140 Miniature Fiber Optic Modem w/V.54 Diagnostics SALES OFFICE Part# 07M1140-A Doc# 018041UA (301) 975-1000 Revised 9/21/94 TECHNICAL SUPPORT (301) 975-1007 http:www.patton.com...
  • Page 2: Warranty Information

    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;...
  • Page 3: Configuration Overview

    The Model 1140 is fairly simple to install and is ruggedly designed for excellent reliability: just set it and forget it. The following instruc- tions will help you set up and install the Model 1140 properly. If you have any questions, don't hesitate to call Patton's Technical Support Hotline at (301) 975-1007 (9-5 PM, EST).
  • Page 4: Configuration Switch Set "S2"

    S1-1 through S1-4: Data Rate Setting Switches S1-1 through S1-4 are set in combination to determine the asynchronous and synchronous data rate for the Model 1140. S1-1 S1-2 S1-3 S1-4 S1-5 and S1-6: Clock Source Switches S1-5 and S1-6 are set in combination to determine the transmit clock source for the Model 1140.
  • Page 5: Fiber Connections

    . You will need one at each end of a dual fiber cable. This cable connects to each Model 1140 using either an ST or an SMA connector. Figure 6 shows a close up of each of these connector types.
  • Page 6: Operation

    The Local Analog Loopback (LAL) test checks the operation of the local Model 1140, and is performed separately on each unit. Any data sent to the local Model 1140 in this test mode will be echoed (returned) back to the user device. For example, characters typed on the key- board of a terminal will appear on the terminal screen.
  • Page 7: Appendix Aspecifications

    1. Locate the “511/511E” toggle switch on the front panel of the 1140 and move it DOWN. This activates the V.52 BER test mode and transmits a “511” test pattern to the other unit. If any errors are pres- ent, the receiving modem’s red “Error” LED will blink sporadically.
  • Page 8 3- (RD) Receive Data 4- (RTS) Request to Send 5- (CTS) Clear to Send 6- (DSR) Data Set Ready 7- (SG) Signal Ground To Model 1140 Data Term. Ready (DTR) - 20 8- (DCD) Data Carrier Detect DIRECTION To Model 1140...

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