MTH DCS Firmware Update: RS-232 Cable, Straight Through or Null Modem?

RetiredOGR Forum Member

Which 9-pin cable is needed to perform DCS firmware updates:

I am using a SABRENT USB 2.0 to Serial (9-Pin) DB-9 RS-232 cable adapter to connect to my computer. Need to verify which 9-pin female to female cable I need to attach to TIU.

Straight Through or Null Modem?

Serial adapter

5/6/2210:24 AM

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gunrunnerjohnOGR Forum Member SUPPORTING MEMBERDIGITAL SUBSCRIBER

I use a 1:1 cable to connect to the TIU from the computer.

5/6/2210:40 AM

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RetiredOGR Forum Member

Is a 1:1 cable a straight through cable?

5/6/2210:44 AM

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H1000OGR Forum Member SUPPORTING MEMBERDIGITAL SUBSCRIBER

@Retired posted:
Is a 1:1 cable a straight through cable?

Yes.

Do not use a null modem cable, it won't work.

5/6/2210:51 AM

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MTH DCS Firmware Update: RS-232 Cable, Straight Through or Null Modem?

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