iPECS eMG80 & eMG800 & UCP
Administration and Programming Manual Issue 1.6
13
2.3.2 UCP Initialization
When power is applied to the UCP or the UCP Reset button is pressed, the system will initiate the
“Power-up” routine. During the Power-Up routine, the system will check the Initialization switch
(pole 4th of UCP Mode Dip Switch). If the switch is in the OFF position, the system will perform a
simple Power-Up routine; clear all scratch-pad memory, load run-time programs, establish
communications with each registered gateway Module and iPECS terminal, send RESTART
commands and load appropriate settings to the Modules and terminals. If a Module or terminal
does not respond after several attempts, the system places the device in an out-of-service mode
but maintains the database settings. Once the Power-up routine is complete, the system will
conduct normal operations.
If the Initialization switch is in the ON position, in place of the Power-Up routine, the system will
perform the full Initialization procedure. The initialization procedure will set the system database
to default values. Further, during the full initialization procedure, the system will establish
communications with each gateway Module and iPECS terminal for registration. This
communication will use the default device IP address and the UCP MAC address for system
identification. The system will maintain IP addresses and Sequence Numbers for previously
registered gateway Modules and iPECS terminals. These values are employed for subsequent
communication and logical assignments of numbering plans, respectively. In addition, the system
sends commands to modify all settings to the default values, including IP addresses but
maintains the existing Sequence Numbers.
After successful initialization, should a device not respond to several attempts by the system to
communicate, the system places the device in an out-of-service mode but maintains the
database. Once initialization is complete, set the initialization switch to the OFF position to protect
the database. The system must be restarted to complete the initialization.
2.3.2.1 Normal Registration Process
Module & Terminal
When power is applied and an Ethernet link is established, an unregistered device will attempt to
discover and register with a local (on the same LAN) iPECS system. The Module or terminal will
send a registration request to the assigned iPECS system (UCP) IP address. If no response is
received, the device will generate a Multi-cast discovery request for registration.
Remote iPECS Phone & Remote Services Module
A remote device, iPECS Phone or gateway Module, registers with the system using the MAC
address of the device. The MAC address must be assigned in the system database and the IP
address of the system must be assigned in the remote device. Using this address, the remote
device will attempt to register with the assigned iPECS system. When the system receives the
registration request, the MAC address is compared with the database to authenticate the remote
device. With a matching MAC, the system will accept the registration request and provide the
remote device with the appropriate settings. Note that the position of the UCP Registration switch
does not affect remote registration.
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