(DG) ACU-100 connection to backbone question

[holdech]

Currently planning my installation.

The ACU-100 will essentially be the last device on one end of the backbone.
The ACU-100 connects to Seatalk NG via screw terminals. Can I simply just cut the backbone cable, strip the wires and connect to the ACU-100 - adding a 220 ohm resistor at the terminal strip (across the signal connection - blue & white)?

This is electrically identical to adding a T with termination resistor and a drop cable.

Physically, it removes a ton of surplus cable and reduces the number of physical connections (reliability).

Just wanted to check in case there is something I don't know about.

Thank you,

Chris

[Derek - Raymarine - Moderator]

Hi holdech

Thank you for your enquiry.

We really would not advocate this backbone connection suggestion.

The preferred solution would be to use an in-line terminator A06074 at the end of the backbone cable and then use a bare ended Spur cable from the in-line terminator to the ACU100.

This also reduces the number of connections as well as uses conventional connections avoiding any possible issues with cable end damage and 3rd party resistors.

Regards