Verify terminal software is set to:
115200bps
8 bits
No parity
1 stop bit
No flow control
Verify console cable is connected at both NSC and terminal/laptop
Swap console cable with known working cable
Try to access BIOS:
Shutdown system
Power on system
After beep/screen clear, press Esc to access BIOS
Attempt direct access by connecting HDMI monitor and USB keyboard
If no response on Console or HDMI/keyboard, the unit will require RMA
Verify network configuration from admin interface:
Navigate to network connections: cd /settings/network_connections
Get current settings and status: show
If network status is down:
Verify the link is detected: ethtool eth0 | grep Link
Replace eth0 with eth1 to check ETH1 link state
Verify network cable connected at both NSC and switch
Swap network cable with known working cable
(Fiber only) Swap transceiver with known good transceiver
Move network cable to another switch port
If cause is not identified, factory reset and reconfigure
If network status is up:
Verify IP address and subnet mask are accurate
Access shell: shell sudo su -
Try to ping a known public IP, such as Google DNS: ping 8.8.8.8
Try to ping the default gateway
To identify default gateway: ip route | grep default
Test DNS lookups, example: nslookup www.zpesystems.com
Check if web server listening on port 80 and 443: netstat -lanp | grep -E ":::80|:::443"
Two lines should be displayed ending with /httpd
If service is not running: create case by emailing ZPE Support (support@zpesystems.com)
Check if SSH server is listening on port 22: netstat -lanp | grep :::22
One line should display ending with /sshd
If service is not running: create case by emailing ZPE Support (support@zpesystems.com)
If cause is not identified, factory reset and reconfigure
If still not working after above steps: create case by emailing ZPE Support (support@zpesystems.com)