ZyXEL Communications U-1496 series Especificaciones descargar pdf (Pagina 16)

E/LZB 119 1889 R1A OPERATION

OPERATION

ENHANCED FEATURES

The operation of the additional features provided by a

site containing Enhanced GETCs (using Release 6 or later

software), and a SIM (using Release 1 application software)

that is connected to a System Manager (using Release 6 or

later software) is given here. For the operation of a Basic

EDACS or SCAT site, see the manuals provided for that

equipment.

Dynamic Site Reconfiguration

Parameters for the following trunking features may be

reconfigured remotely through the System Manager when

needed, without disrupting service on the system:

• Unit Enable/Disable by LID

• Validation by GID

• Priority Queuing by GID

• Message Trunking by GID

• Confirmed Call by GID

Unit Enable / Disable by LID

The Unit Enable / Disable feature allows the System

Manager to remotely enable or disable individual radio

units. This feature is intended to be used when a radio is

lost or stolen (to prevent unauthorized use), when a radio is

disrupting communications on the system (due to some

malfunction in the radio), or when the radio users don’t pay

their bills (to motivate them to pay up). To use this feature:

1. Select the Unit State Enable/Disable screen (menu

selection 50) in the System Manager.

2. Enter the desired Unit Number, LID, Unit Name or

Serial Number in the Selected Unit panel.

3. Press

F12

to disable the radio, or

to enable the

radio.

The System Manager will then try to communicate the

enable/disable request to the SIM at each site connected to

the System Manager. The SIM at each contacted site will in

turn send the enable/disable request to the controlling

GETC, and the controlling GETC will then try to contact the

radio and send the enable/disable request. If the

controlling GETC is unable to contact the radio, the

controlling GETC will wait for the radio to log into the site

(until it is reset, told to stop, or successfully contacts the

radio). When the radio acknowledges compliance to the

enable/disable request, the controlling GETC at the site

controlling the radio will inform the System Manager

through the SIM. The System Manager will then update the

Current State field in the Current State panel, and tell the

other sites to stop trying to contact the radio.

Up to 64 open (unacknowledged or uncanceled)

enable/disable requests may stored by the SIM at each

contacted site. Up to 16 of these open enable/disable

requests may be processed at one time by the controlling

GETC. As each enable/disable request being processed by

the controlling GETC is closed (acknowledged or canceled),

any remaining open enable/disable request in the SIM will

take its place until all enable/disable requests are being

processed, are acknowledged, or are canceled.

Validation by GID

The GETC uses the GID database to validate each GID

call request before assigning a channel. Validation consists

of checking to see that the GID is defined for the site (see

System Manager screen 12, panel 1). The System Manager

default is no GIDs defined.

Priority Queuing by GID

The GETC uses the GID database to determine when

each queued group call gets assigned a channel. The

priority is reconfigurable for each call type (Voice, Data,

and Digital Voice) for each defined GID (see System

Manager screen 12, panel 2). A queued call with a higher

priority will be assigned a channel before a queued call with

a lower priority. Priorities range from a low of 0 to a high

of 7. The highest priority of 7 is reserved for emergency

calls. The System Manager default is 0.

Message Trunking by GID

The GETC uses the value of the Hang Time parameter

in the GID database to determine if a group call is message

trunked. The Hang Time parameter is reconfigurable for

each defined GID (see System Manager screen 12, panel 2).

The Hang Time can be set from 0 to 255 seconds. A Hang

Time greater than 0 is said to be message trunked (the same

channel will be used for each transmission provided that the

time between successive transmissions does not exceed the

Hang Time. The System Manager default is 0. (This

feature is not supported in a SCAT site.)

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