+5 for Sambit for good answer. In addition RJ45 is OK for straight through E1/T1 cable as the pinouts are the same, however if you need to use cross-over then you cannot use RJ45 Ethernet crossover and need to use RJ48 where pin 1 is crossed with 4, and 2 is crossed with 5.
Are you getting this error “Installer User Interface Mode Not Supported. The installer cannot run in this UI mode. To specify the interface mode, use the -i command-line option, followed by the UI mode identifier. The value UI mode identifiers...
The below trick might come handy when you have to add a new node to a cluster but you don't have or is unsure of the security password for the publisher. This procedure has been around for ages.
1) Login into the CLI of the Publisher.