Unable to connect to IMUX using VT-100 terminal emulation.

Unable to connect to IMUX using VT-100 terminal emulation via a custom control cable built with Promptus pinout in manual.

Symptoms:
Unable to connect to IMUX.

Problem:
Promptus IMX1B control cable specifications as provided in the manual will not work.

Resolution:

Use the following Pinout:

RJ11 Pin Description DB25 Pin

1 DSR Tied to DCD 6,8
2 RD 3
3 DTR 20
4 TD 2
5 Ground 7
6 Not Used