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Tibbo EM1000 - TB1004 Test Board

Tibbo EM1000
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530Accessories
© Tibbo Technology Inc.
9
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CTS- (input)
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DS1002 and DS1003 devices have universal serial ports that can additionally work in
RS422 and RS485 modes. Proper signal termination may be required when longer
cables are used in these modes. The TB1000 have four switch blocks, one for each
port. Each switch block includes four switches. When closed, each switch connects
a termination circuit between the "+" and "-" signals in a signal pair:
Switch # within
the block
Signal pair
1
CTS+/CTS-
2
RTS+/RTS-
3
RX+/RX-
4
TX+/TX-
The TB1000 can be additionally secured on the DS10xx device using four screws
(included). This terminal block adaptor is also compatible with the "secondary
cover", also known as "waterproof cover".
TB1004 Test Board
The TB1004 test board is provided for the convenience of evaluating the DS1004
controller (IB1004 + SB1004 boards). The board is basically a loopback, feeding D/A

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