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Emerson Network Power
Network Power Divisions 
Emersom
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EDCO Transient Voltage Surge Suppresssion
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Why Surge Suppresion
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Emerson

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Telecom/Datacom Products
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SRS-232-25
SRS-232-25


SRS-232-9
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Protection for Computers or Peripherals

The SRS-232, utilizing silicon avalanche clamp devices, is a state-of-the-art surge protector for IEEE Standard RS-232C peripheral devices.

The SRS-232 simply plugs in series with the data cable at or very near the equipment to be protected. If very long cable runs or outdoor runs are present, then additional hybrid protectors at the building entry of the cable are recommended (see PC642 Series).

SPECIFICATIONS
Max Operating Voltage ±20 Volts
Typ Leakage Current 5µ Amps
Max Data Rate 150kb
Operating Temperature 0° to +85°C
Max Surge Current (10 x 1000µs) 43 Amps
Max Clamp Voltage 35 Volts
Max Transient Voltage 6kV
Clamp Response Time ‹1 nanosecond
UL 497B Listed
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ORDERING INFORMATION
Interface with 25-pin connectors SRS-232-25 (Protects Pins 2–8 and 20)
Interface with 9-pin connectors SRS-232-9 (Protects all pins)
NOTE: Pin 1 on SRS-232-25 is chassis ground. Ground wire must connect to Building Approved Ground. Make ground wire as short and straight as possible.
UL 497B