E.F. Johnson Company VR-CM50 Manuel de l'opérateur télécharger pdf (Page 41)

SYSTEM AND SUBSCRIBER MANAGER (SSM)

5-13

Revised August 2001

Part No. 002-3139-078

Participant - Locality/Home/Group entry in a Wide

Area Call.

Time-Out Behavior

Temporary

- When a participant is marked “tempo-

rary”, it is not loaded into a WAM until an actual

radio has transmitted on that Locality/Home/

Group. The participant then remains active for the

WAC Group Time-Out duration (in minutes). This

time-out timer is reset with each PTT on that

Locality/Home/Group. The timer value can be

changed for each Locality (default is 60 minutes)

and is located in the System Manager under the

Tools menu in the SSM (see Section 5.3.5).

Permanent

- When a participant is marked “perma-

nent”, it is loaded into a WAM regardless of

whether or not traffic has been seen for that partic-

ular Locality/Home/Group. When the WAC is

loaded into a WAM, all participants that are

marked as permanent are loaded into the WAM and

channels are brought up accordingly.

By Unique ID (pull-down)

- The time-out is from

the Permission Profile of the Unique ID. Permis-

sion Profiles are described in Section 5.3.2, and

they are assigned to Unique IDs as described in

Section 5.3.4.

Default Transmit UID - In the event that the WAM

does not have a UID available, the Default Unique ID

(loaded in the WAM) is used. The default is 8180 and

it is not recommended that it be changed as it ensures

that a UID is in the data base.

Default Priority - This is a take-over priority that is

used for allocating WAMs. When a call attempt is

made and the WAC has not yet been programmed into

a WAM, the Call Processor uses this priority to deter-

mine if a WAM is available. If the priority of the WAC

being taken over is equal or greater, then the

Maximum Inactive Time must have expired.

Maximum Inactive Time - The time (in seconds,

default is 10 seconds) that a Wide Area Call remains

reserved after a PTT and cannot be taken over by a

WAC of equal or lesser priority.

If the priority of the WAC being taken over is

less, then the Maximum Inactive Time does not matter.

However, there can be no active call (PTT) on the

WAM. Default priority is 5, with 1 being the highest.

Priority level 1 is reserved for emergency use only and

can be used to take over WACs regardless of whether

or not someone is talking on the WAM. Use of priority

level 1 as the default is not recommended and should

be reserved for emergency use only.

Hang Time - This is a time in seconds that the chan-

nels can be ordered to hang for a Group in the Wide

Area Call. This can be set from 0 - 7 seconds with the

default set to 0.

WAC Group Time-Out - This parameter is

programmed in the System Locality Manager screen

described in Section 5.3.5. It is a value in minutes that

a Temporary WAC participant remains active on a

Locality between PTTs. The Temporary participant is

not activated until a PTT is seen from that Group on

that Locality. The default is 60 minutes.

Routing Group - The Routing Group number corre-

sponds to the number assigned to WAMs (see Routing

Group in Section 6.4.13). NOTE: Do not use Routing

Group 0 because it is reserved for internal WAM use.

When configuring Wide Area Calls, it is important to

understand that by assigning a Routing Group to the

call, the scope of the call may be limited.

For example: In a four-switch system, if a call is

configured to use Routing Group 1 and the WAMs for

this Group only connect Switches 1 and 2, then the

call can never be activated in Switches 3 and 4 without

reconfiguration of the Routing Group.

Examples:

WAC with Permanent Participants

WAC ID 1 is set up with 3 participants. All

default values are chosen for WAC parameters.

Participant Locality Home Group Time-Out

Behavior

1 1 1 1 Permanent

2 2 1 1 Permanent

3 3 1 1 Permanent

When activated in a WAM, this call brings up all

three Localities if channels are available.

1 2 ... 36 37 38 39 40 41 42 43 44 45 46 ... 114 115

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E.F. Johnson Company VR-CM50 Manuel de l'opérateur Page 41

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