893A Dual Phone Line Module

Introduction

7.1Description

The 893A is a dual telephone line supervision module that allows the panel to indicate a phone line failure to the premises and the central monitoring station. After the 893A senses a failure on the main line, it switches to the backup, or secondary, phone line. The 893A installs on the removable backplate above the XR2500F circuit board.

7.2Connection

The pre-wired 893A connects the panel to the public telephone network through an installed DMP 356 RJ Cable between the XR2500F panel J3 connector and the 893A Module J3 connector labeled PANEL.

Factory pre-wired to XR2500F panel Phone Jack Connector, J3

To Primary telephone line

893A Dual Telephone Line Module

PANEL

P10

DD	Communication Jumpers:
MPX	Both Set both Jumpers
J1
	J2	DD
	J2	MPX
		MPX
J4	J5
MAIN	BACKUP

Processor

Stopped Buzzer

Factory pre-wired to XR2500F panel J10 Connector

To Secondary telephone line

Figure 8: 893A Dual Phone Line Module Wiring

7.3Jumper Settings

The 893A module has two sets of jumpers. Both communication jumpers must be set for DD (digital dialer) operation. Do not set the 893A jumpers next to MPX. The 893A Module supports multiplex operation, but the XR2500F panel does not.

7.4Digital Dialer

You can configure the 893A to provide two lines of digital dialer. Maximum line impedance is 100 Ohms. The XR2500F is preset at the factory for Digital Dialer. The Main modular jack (J4) is used for the primary digital dialer line. The Backup modular jack (J5) is used for the secondary digital dialer line.

7.5Phone Line Monitor

The 893A uses a phone line monitor for the main and backup phone lines. When sending a report, the 893A verifies the main phone line is working before sending data. If the line is bad, the module tests the backup phone line. The 893A sends the report on the first working phone line.

The phone line monitor has a two-minute trouble delay and a one-minute restore delay. Phone line trouble is displayed in the Fire Command Center LCD Status List as a System Trouble. The Fire Command Center LCD is factory programmed to display system troubles in the Status List.

7.6Processor Fail Buzzer

The 893A module also monitors the panel CPU and sounds a trouble buzzer whenever either the panel processor is reset using J16 or the processor stops functioning.

7.7J10 893A Connector

The 893A Dual Phone Line Module connects to the XR2500F J10. Refer to the 893A Installation Sheet (LT-0135) for complete information.

7.8Ground start

Ground start phone service cannot be used on commercial or residential fire applications.

XR2500F Installation Guide

Digital Monitoring Products

XR2500F specifications

The DMP Electronics XR2500F is an advanced and versatile electronic device designed to cater to a wide range of applications including industrial automation, robotics, and smart home technologies. Known for its robust performance and reliable functionalities, the XR2500F stands out as a leading option in the market.

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DMP Electronics XR2500F manual 893A Dual Phone Line Module

Models: XR2500F