# Need help configuring PortServer II access to Linux console on i.MX53 **URL:** \ **Category:** Linux\ **Tags:** serial, console, serial-console, portserver, linux\ **Created:** [June 14, 2015, 6:23pm UTC](https://forums.digi.com/t/need-help-configuring-portserver-ii-access-to-linux-console-on-i-mx53/14982 "2015-06-14T18:23:11Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![aziff](https://avatars.discourse-cdn.com/v4/letter/a/e480ec/32.png) [@aziff](https://forums.digi.com/u/aziff)\ **Post date:** [June 14, 2015, 6:23pm UTC](https://forums.digi.com/t/need-help-configuring-portserver-ii-access-to-linux-console-on-i-mx53/14982/1 "2015-06-14T18:23:11Z")
I am using a PortServer ll (fairly certain “without RealPort”) I am trying to connect to console of i.MX53 board running Ubuntu Linux. I have verified the board powers, runs U-boot then boots Linux. All the console traffic appears via a USB-serial dongle connected to host (OS X). Yet, I am unable to connect with 'telnet 192.168.1.88 2001` to the i.MX53 console port. The cat5 is connected to Port 1 on front of PortServer and to an official Digi TS Console Adapter part # (1P) 63000086-01 B. I also added a male-male gender changer to accommodate the i.MX53. I performed part one of the diagnostics (described in [Testing and Troubleshooting a PortServer guide](http://www.digi.com/support/kbase/kbaseresultdetl?id=233)); and it worked as expected. I made a loopback connector according to the Digi documentation. I am successfully able to telnet to IP address; then `connect 8` to port 8 which is configured for loopback operation. It works. Please offer a suggestion for a fix or recommend troubleshooting tasks. That would be super helpful! 🙂 Here are some general configs and settings for port 1: ```auto #> cpconf term # PortServerII Version 3.1.13 Nov 1 2006 # ROM version 106, Amount of RAM: 4 Megs set tcp realport=771 rto_max=240 sockets=2000 keepalive_idle=02.00.00 set tcp probe_count=10 probe_interval=75 set radius authentication=1645 accounting=1646 #> set ports ra=1 serial# termtype dev sess uid edelay auto bin group dport dest 1 vt100 prn 4 0 1 off off 0 0 0.0.0.0 #> set line ra=1 serial# baud csize parity stopb break error inpck istrip onlcr otab 1 115200 8 N 1 ignore null off off off off #> set flow ra=1 serial# ixon aixon ixoff ixany itoss altpin rts dtr cts dcd dsr ri 1 on off on off off on on off on off off off #> set config PortServerII Version 3.1.13 Nov 1 2006 Copyright 1990-2001 Digi International. All Rights Reserved. myname : domain : ip : 192.168.1.88 submask : 255.255.255.0 gateway (LAN) : 192.168.1.1 nameserv : 0.0.0.0 boothost : 192.168.0.56 bootfile : 40001260_af.bin ether : 00:40:9d:24:1d:37 icmp redirects : ignore bootpserver : bootpgenericfile : bootp : no tftpboot : no ``` Many thanks to everyone who took the time to read! It turns out the port is configured properly. I tried two other embedded Linux boards from different manufacturers (which did not require the gender changer). Those work fine. I still do not know why the i.MX53 does not operate with this port. As unlikely as it may be problem; the gender changer is the only other difference in datapath. Artie 🙂 ---
**Author:** ![userid0](https://avatars.discourse-cdn.com/v4/letter/u/f6c823/32.png) [@userid0](https://forums.digi.com/u/userid0)\ **Post date:** [June 15, 2015, 8:31am UTC](https://forums.digi.com/t/need-help-configuring-portserver-ii-access-to-linux-console-on-i-mx53/14982/2 "2015-06-15T08:31:25Z")
It appears the port is configured to use both software and hardware flow control. I recommend turning off hardware flow control in the event the cable is not wired for it as this would prevent communication on the port. set flow cts=off rts=off If this does not work, please post the pin-outs for your cable. ---
**Author:** ![aziff](https://avatars.discourse-cdn.com/v4/letter/a/e480ec/32.png) [@aziff](https://forums.digi.com/u/aziff)\ **Post date:** [July 23, 2015, 3:32pm UTC](https://forums.digi.com/t/need-help-configuring-portserver-ii-access-to-linux-console-on-i-mx53/14982/3 "2015-07-23T15:32:01Z")
Thank you quite very much for your response. I hope that I am answering the question correctly. The pinout diagram for connector 76000697 is: [http://ftp1.digi.com/support/cabling/90000606\_a.pdf](http://ftp1.digi.com/support/cabling/90000606_a.pdf) Are there any actions or tests which may yield additional information? thank you! aziff ```auto Port TD RD RTS CTS DSR DCD DTR RI OFC IFC 1 off off off off off off off off off off ``` ---
**Author:** ![aziff](https://avatars.discourse-cdn.com/v4/letter/a/e480ec/32.png) [@aziff](https://forums.digi.com/u/aziff)\ **Post date:** [July 23, 2015, 3:32pm UTC](https://forums.digi.com/t/need-help-configuring-portserver-ii-access-to-linux-console-on-i-mx53/14982/4 "2015-07-23T15:32:18Z")
How does this forum supposed to operate?