SG Security Communications MLR2-E Manuel d'utilisateur télécharger pdf (Page 32)

Form Number.: 7-3005 File Name: SG Automation Output Revision/Date: 01/May 3, 2005

Department: Engineering

Division: Embedded Software Form Template Owner: Jeff Cougler

4.21 ITI Protocol (I)

IRRLLLsssACAAAAGIZZEWN[DC4]

Where, I : ITI protocol.

RR : Virtual Receiver number.

LLL : Virtual Line number.

sss : Space characters.

A : Highest character of the ITI Account Number.

C : CPU panel type/zone Attribute Code.

AAAA : Lower 4 characters of the ITI Account Number.

G : Group Number.

I : User ID for openings and closings.

ZZ : Zone Number.

E : Alarm condition code.

W : Previous protection level.

N : Current protection level.

[DC4] : Terminator 14 hex.

The Sur-Gard SG-MLR2-DG ITI protocol is based on the ITI Generic format, with the protection levels added on.

The upper nibble of the byte C holds a code designating the panel type:

UPPER NIBBLE DESCRIPTION

2 Unknown CPU Panel

3 Non-ITI Panel

4 SX-III or SX-IVA

5 SX-IVB

6 SX-V

7 All other ITI Panels

The lower nibble of the byte C holds a code describing the zone's attributes. If the upper nibble is not a '7', the lower nibble is

set to '0'. If the upper nibble is a '7', the lower nibble will represent:

LOWER NIBBLE DESCRIPTION

0 Anything not listed below

1 CARETAKER PLUS

2 RF-COMMANDER

The Group Number and the User Number are calculated as follows:

REPORTED NUMBER GROUP/USER BYTE

0-9 '0'-'9'

10-35 'A'-'Z'

36-61 'a'-'z'

62 and greater '?'

The Alarm Condition Code indicates the condition of the zone reporting to the receiver:

CODE DESCRIPTION

1 2 ... 27 28 29 30 31 32 33 34 35 36 37 ... 58 59

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SG Security Communications MLR2-E Manuel d'utilisateur Page 32