User's Manual

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312 Module - eCAP

In many cases the distance between the DECT Messenger and the

external-alarm system is relatively small, so no extra hardware is needed.

In some conditions hardware is needed, such as, when RS-232-C

limitations apply (for example, at 9600 baud maximum limit of 9 metres).

In some cases galvanic isolation is requested, or base-band modems,

SOPHO LAM, CISCO equipment, and so on are needed to bridge the

distance between the DECT Messenger and the alarm system.

Once a link is established between eCAP and the alarm system, the eCAP

handles further communications and informs eKERNEL when relevant

information is to be exchanged.

Functional description

In general, eCAP is designed to provide eKERNEL with alarm information.

This is carried out using a <msgrqs> message request. For some

interfaces eKERNEL must send feedback to the alarm system, a process

that is handled through <msgrpy> message reply request.

ATTENTION

The eCAP module is compatible with a number of alarm system installations.

However, many of the supported vendors offer a broad variety of hardware

and software environments, all of which are not necessarily compatible with

eCAP. For example, the fact that one NIRA serial protocol is implemented does

not mean that every version of serial input from NIRA is compatible.Ensure

that a specific alarm-system model is supported by DECT Messenger before

purchasing or installing it. In most cases manufacturers are not using the

same standard for all of their equipment, so obtain information on protocols

and specifications. Nortel recommends pre-sales consultation. If necessary,

a modification of the current release of eCAP can be made to embed new

protocols.

The most typical protocols are listed in Table 9 "Supported

manufacturer/model protocols" (page 312) and described in more detail

in the pages following the table. Refer to the protocol specifications of

each vendor for more information, as detailed protocol issues are beyond

the scope of this document. The information in Table 9 "Supported

manufacturer/model protocols" (page 312) provides a list of supported

manufacturers and models. This information is provided on an as-is basis,

to illustrate the eCAP module.

Table 9

Supported manufacturer/model protocols

Manufacturer Model

ARGINA *BASE

ARITECH *BASE

ARITECH 1

Nortel Communication Server 1000

DECT Messenger Installation and Commissioning — Book 1

NN43120-301 02.01 4 June 2010