Standard Operation; Central Station Operation - Viking BLK-3-EWP Technical Practice

Ada compliant emergency phones

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Technical practice (13 pages)

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Table of Contents

d. 4+2 Express Format

This DTMF format consists of a four digit account code, two digit message type, and a two digit event code.

A. Standard Operation

1. "HELP" / "CALL" Button

When the "HELP" / "CALL" button is pressed, the 1600A series phone goes off-hook and dials a pre-programmed telephone

number. The Call Connected LED momentarily flashes during tone or pulse dialing. In the event that the line is busy or there is

a ring-no-answer, the unit can be programmed to call additional phone numbers. The phone then cycles through up to 5 pre-

programmed emergency numbers until the call is answered. When the call is answered, handsfree communication to emer-

gency personnel is established. The digital voice announcer will automatically play to identify the location of the emergency call.

The , key will stop the announcement, send the I.D. number (if programmed) and light the "Call Connected" LED. Alternatively,

the phone can be programmed to automatically light the "Call Connected" LED after the announcement has played a pro-

grammed number of times. The distant party will know the location of the emergency call by either the voice announcement or

by decoding the Touch Tone I.D. number. Pressing the , key again will send the I.D. number and play the message again.

Once the , key has been pressed, the # key can be used to force the phone to hang-up.

2. "INFO" Button (E-1600-20A and E-1600-52A Only)

When the "INFO" button is pressed (E-1600-20A and E-1600-52A only), the phone goes off-hook and dials the first "INFO"

phone number programmed. If a busy signal is detected or the call goes unanswered, the phone will cycle through all three

"INFO" phone numbers until the call is answered. When answered, handsfree communication is established.

announcement is for

B. Central Station Operation

After the "HELP" / "CALL" button on the 1600A Series phone has been pressed the 1600A Series phone will begin to dial. If a voice

number is programmed in memory locations #00-#04, these numbers will be dialed first. Upon detecting a busy signal or after a

preprogrammed ring delay the 1600A Series phone will hang-up and dial the central station phone number stored in memory loca-

tion #05. When the central station receiver answers, it will send a handshake tone to the 1600A phone. Upon detecting the hand-

shake tone, the 1600A Series phone will begin uploading the information stored in memory location #20.

Once the 1600A Series emergency phone has sent the information stored in memory location #20, it waits for a "kiss-off" tone from

the central station. When the "kiss-off" tone is received, the emergency phone turns on the call connected LED and goes into the

"two-way talk mode" or hangs up and dials position #06 if programmed (see Note 3 below).

The central station should have a "talk-over" feature that will allow a two-way conversation at this time. If your receiver does not

support "talk-over", a voice phone number should be programmed into position

If the central station answers the call, sends the handshake tone, but does not send a "kiss off" tone after the information is sent,

the

resends the information three additional times, waiting for a "kiss-off" after each attempt. If "kiss-off" has not been received

after the fourth attempt, the

The

has the capability to send a second informational message to the receiver after the first "kiss-off" is received, but only

if a second informational message is stored in memory location

mation stored in memory location

off" is received, the emergency phone turns on the call connected LED and goes into the "two-way talk mode" or hangs up and dials

position

if programmed.

Due to the dynamic nature of the product design, the information contained in this document is subject to change without notice. Viking Electronics, and its affiliates and/or subsidiaries

assume no responsibility for errors and omissions contained in this information. Revisions of this document or new editions of it may be issued to incorporate such changes.

DOD# 215

XXXX 27 XX #20

Account Code

Message Type

Enter 4+2 Express ID Settings Here:

calls only and will not play on a call initiated from the "

hangs up and dials position

. It then waits for a second "kiss-off" from the central station receiver. When the second "kiss-