SC07 is used to expand Line driving capability of RS485 / RS422 beyond 1.2 km. It also converts RS485 to RS422 ( and vica versa ). It can also be used as RS485 Isolator. They are used for providing Isolation to Serial Interface. With high degree of protection, it keeps the COM port of your equipment safe.
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Datasheet 
SC07 is used to expand Line driving capability of RS485 / RS422 beyond 1.2 km. It also converts RS485 to RS422 ( and vica versa ). It can also be used as RS485 Isolator. They are used for providing Isolation to Serial Interface. With high degree of protection, it keeps the COM port of your equipment safe.
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They are used for providing Isolation to RS232 Interfaces. With high degree of protection, it keeps the COM port of your equipment safe.
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