MX250 — Power on and off, MX250 — Power on and off, Console ModeConsole Mode

January 2004Page 2

Power SupplyPower Supply

• MX250 has ac and dc inputs– ac 100 to 240 V, 5A, 50 to 60 Hz– dc –48 V, 6A– worldwide safety and compliance approvals

• If ac portion of power supply fails– dc portion continues to operate – use the BPS12 for 6 hours of backup

January 2004Page 3

Power OnPower On

• Automatically powers up– when ac or dc is plugged in– reset button does not need to be pressed

• If ac or dc is already connected– press reset button to turn power on

January 2004Page 4

Boot SequenceBoot Sequence

• Internal processors load software from hard disc

• Indicate the boot status using the LEDs– details in MX250 hardware manual

• Less than one minute to become operational

January 2004Page 5

Startup LogStartup Log

• Created every time the MX250 boots up– accessed through MX250 web server

– point browser at external IP address of MX250

January 2004Page 6

Startup Log ExampleStartup Log Example

• Details boot sequence• Can tell if system powered up successfully

– or if there are any problems booting up

January 2004Page 7

Console ModeConsole Mode

• Activated by pressing the console button

• Can be activated– during startup phase

– during normal operation

• Provides access to special functions– not available in normal mode

– through connection on port 2

January 2004Page 8

Console Mode — How to Activate at Power UpConsole Mode — How to Activate at Power Up

• Press and hold the console button

• Power up the MX250

• Do not release console button until– Status LED flashes green, red, orange, and off*

• this could take up to 1 minute

• Reboot required to exit console mode

*In version 1.2 of software, Status LED flashes green and off

January 2004Page 9

Console Mode — Activated at Power UpConsole Mode — Activated at Power Up

• Assigns fixed IP address 192.168.1.100 to MX250

• Runs a DHCP server, leases one IP address– 192.168.1.101

– directly connect your laptop to console port

• Allows you to: – change external IP address of the MX250

– reset master password

– perform emergency recovery

January 2004Page 10

Console Mode — How to Activate During OperationConsole Mode — How to Activate During Operation

• Press and hold the console button

• Do not release console button until– status LED flashes green, red, orange, and off

• this takes 2 seconds

• No reboot required to exit console mode– press and hold console button for 2 seconds

– Status LED returns to previous condition

January 2004Page 11

Console Mode — Activated During OperationConsole Mode — Activated During Operation

• DOES NOT assign fixed IP address 192.168.1.100 to MX250

• DOES NOT run a new DHCP server• Allows you to:

– change external IP address of the MX250 – reset master password– perform emergency recovery

January 2004Page 12

Console Mode — ImitationConsole Mode — Imitation

• If External IP Address is 192.168.1.100– MX250 acts as if it is in console mode

January 2004Page 13

Automatic ShutdownAutomatic Shutdown

• Allows you to safely shutdown system– press and hold reset button for one second

– Status LED flashes orange

• System applications are properly shutdown– safely shuts down the database

– terminates all active processes

– turns off the power

January 2004Page 14

Forced ShutdownForced Shutdown

• Allows you to shutdown the MX250– when it cannot shut down on its own

– same feature on PCs with ATX power supplies

• Initiate during normal operation by holding down reset button for 10 seconds

• May cause database corruption

January 2004Page 15

Immediate ShutdownImmediate Shutdown

• Initiated from Admin UI– Maintenance | Shutdown MX

• All active calls are terminated immediately• Terminates all processes gracefully

January 2004Page 16

Graceful StopGraceful Stop

• Allows current calls to be completed before shutting down the system

• No further calls can be set up

January 2004Page 17

Safe Shutdown — When 48 Vdc input dropsSafe Shutdown — When 48 Vdc input drops

• When ac fails – MX250 should be connected to a BPS12

• MX250 monitors –48 Vdc level• When voltage level drops to a certain level

– MX250 initiates safe shutdown

January 2004Page 18

Syslog Reporting of EventsSyslog Reporting of Events

• Events sent to a Syslog server• Indicate status changes

– power on and off

– console mode activation and deactivation

January 2004Page 19

SummarySummary

• MX250 can be powered on and off– by hardware or software

• Detailed logs – startup – Syslog

• Console access to MX250– used for initial configuration– when you forget the master password– when you forget the external IP address