BOB100  A compact, industrial strength, BREAK OUT BOX used to monitor and redirect RS-232-C circuits.	BOB100DLX Tests both DB9 and DB25 interfaces, higher speeds and lower voltages. It has a pulse trap and voltage indication.  It combines the advantages of a line and battery powered RS232 breakout box.	MC232 multi protocol converter (2 line) for RS232 type testers (RS422, RS485, RS530, V.35 to RS-232)
Comcraft X.21 Communications tester Parallel Interface breakout box	RS232LM inexpensive line status monitor	Cost effective RS530 LED Based Line Monitor

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hand held RS232 / RS422 MONITORS & Test Equipment

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Industrial Strength 102 LED BOB with Current Loop Testing

Interface Connectors
One female and one male 25 pin Sub-D connector
Signal Status Display
Mark, Space, Clocking, None indication on all 25 pins on both sides of the breakout switches.
Access Sockets
Sockets are located on both sides of the breakout switches allowing direct access to both interfaces.
Jumper Cables / Patching
A sturdy set of jumper cables with high quality gold plated plugs is provided to allow cross patches of interface lines. Included are six two-pin jumpers plus two four-pin jumpers.
Ground Potential Differences Test Circuit
The different ground potentials of the two interfaced devices can cause problems with signal interpretation. The Circuit testing this difference makes use of G. P. D. monitor connected to the left side of switch #7.
Power/Test Voltage Sources
The basic function of the BOB100 do not require battery power. The tester can use one 9 volt battery for the purpose of generating + or + voltage for testing.
Physical (Hand Sized)
7.4 x 3.4 x .7 inches, 8.9 ounces.
Current Loop Test Circuit
The Current loop test circuit can be used to measure 4, 10, 20, and 60 mA circuits. The LED illuminates at 80% of the stated current. Maximum current is 3 times stated with an upper limit of 80 mA.
Packaging
The BOB100 is supplied with a small leatherette case, jumpers, manual, battery connector, and 11 inch cable. 

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