Check the push button switch on the back of the LaserWriter IIg, make sure it is set to 0 (zero) for AppleTalk Ethernet networks.
Also it appears you are connecting an Apple Twisted Pair Transceiver to a Farallon PhoneNet EN transceiver via RJ-45 cabling. Although the boxes are physically compatible, they are not logically compatible. The Apple Twisted Pair Transceiver is 10BaseT-compliant, but the Farallon PhoneNET EN is not.
The Apple Twisted Pair Adapter (part number M0845) is not the correct part. You need to use an Apple Ethernet AUI Adapter and power supply (part number M0432).
Here is the configuration:
Macintosh IIcx with 3Com EtherLink card -----> Farallon PhoneNET EN -----> Farallon StarController EN (via RJ-45 cable) -----> Farallon PhoneNET EN (via RJ-45 cable) -----> Apple Ethernet AUI Adapter (M0432) -----> Power Supply and Apple LaserWriter IIg.
Article Change History:
04 May 1995 - Added the push-button switch informaiton.
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