IMC Networks IE-IMCV Manuale Utente
49
Troubleshooting
If a fiber connection cannot be established, perform the following to make sure that
the fiber transceivers on the IE-iMcV-MultiWay are not over/under driving the fiber
receivers:
the fiber transceivers on the IE-iMcV-MultiWay are not over/under driving the fiber
receivers:
1. Make sure the fiber wavelength on both connected devices match (i.e. both are
1310 nm single-mode fiber).
2. Make sure the twisted-pair port speed on the IE-iMcV-MultiWay matches that of
the end devices connected to the IE-iMcV-MultiWay. Configure the IE-iMcV-
MultiWay and its link partner to Auto Negotiation or, if using Force mode, be
sure speed and duplex match.
MultiWay and its link partner to Auto Negotiation or, if using Force mode, be
sure speed and duplex match.
3. IE-iMcV-MultiWay allows you to assign a VLAN tag to all management traffic
(SNMP and telnet). It is important that you understand that IF you are using
telnet or iView2 to assign a VLAN tag to management traffic, then as soon as this
setting is saved you will lose connectivity to the device until the PC you are using
becomes a member of the VLAN you assigned to management traffic.
telnet or iView2 to assign a VLAN tag to management traffic, then as soon as this
setting is saved you will lose connectivity to the device until the PC you are using
becomes a member of the VLAN you assigned to management traffic.
If you have assigned a VLAN tag to management traffic and cannot re-establish a
connection to the device via iView2 or telnet, you will need to directly connect a
PC to the device via the serial cable and review/modify the changes you made
(reference section on serial port config).
connection to the device via iView2 or telnet, you will need to directly connect a
PC to the device via the serial cable and review/modify the changes you made
(reference section on serial port config).