Status Leds - 4xem IPVS1A User Manual

Status LEDs

Each time Video Server starts, it will perform a Power-On Self Test, abbreviated as POST hereafter, to
examine every hardware module. As soon as the administrator plugs in the power adapter, both LEDs
under the network LED will flash one by one until the POST is done. If any module fails, both LEDs will
indicate to the users the error according to the pattern listed in Appendix A. If the result is good, both
LEDs will turn off for a while and then follows the pattern below. Network interface depends on the
peripherals including Ethernet UTP cable, modem or null modem cable. If the Ethernet cable between
Video Server and Ethernet hub is good, Video Server will choose the Ethernet network. If Ethernet is
unavailable but a operational modem is connected, the network interface will be PPP with modem. If
either of the above is not the case, Video Server will try the interface of PPP with null modem.
Network Interface
Ethernet
PPP with modem
PPP with null modem
Condition
before installed
after installed
during camera control
after POST
before connected
after connected
LED2 (Heartbeat)
OFF
flash
flash
flash
ON
flash
5
LED3 (Status)
OFF
OFF
Flash
ON
ON
ON