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Some phone systems do not conform to

analog telecom standards and
might not be compatible with
the 

1600A Series

emergency

phones. Please check to make
sure your phone system follows

ALL

of the specifications 

A -  E

listed below. If you have further questions, please contact Viking Technical Support at
715-386-8666.

Important:

This document must be used

in combination with the 

1600A Series

or

E-30

Technical Practice.

APPLICATION

APPLICATION

N

N

o

o

t

t

e

e

T

T

E

E

L

L

E

E

C

C

O

O

M

M

S

S

O

O

L

L

U

U

T

T

I

I

O

O

N

N

S

S

F

F

O

O

R

R

T

T

H

H

E

E

2

2

1

1

S

S

T

T

C

C

E

E

N

N

T

T

U

U

R

R

Y

Y

S

S

p

p

e

e

c

c

i

i

f

f

i

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c

c

a

a

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s

1600A

1600A

Series & 

Series & 

E-30/E-30-EWP

E-30/E-30-EWP

Telephone Line

Specifications

March 10, 2003

1600A Series and E-30 Telephone Line

Specifications for Operation

E-1600-45A

K-1600-EHFA

E-1600A

E-1600-02A

E-1600-03A

E-1600-20A

E-1600-55A

A. Busy Signal for Automatic Disconnect / Dial Additional Numbers

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.

Fax Back Doc 869

Rev 3

Printed in the U.S.A.

P

P

r

r

o

o

d

d

u

u

c

c

t

t

S

S

u

u

p

p

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e

.

.

.

.

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.

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5

Minimum Signal Level:

-22dbm

Minimum Number of Busy Pulses:

7

Frequency Range:

300-2000 Hz

Standard Busy Cadence: 

Minimum: 450ms ON/OFF

Maximum: 550ms ON/OFF

Fast Busy Cadence: 

Minimum: 150ms ON/OFF

Maximum: 300ms ON/OFF

B. Ringback Signal for Dialing Additional Numbers

Ringback Cadence: 

Minimum: 1 sec ON, 1 sec OFF

Maximum: 2.5 secs ON, 5 secs OFF

Minimum Signal Level:

-22dbm

Frequency Range:

300-2000 Hz

Minimum Number of Rings:

Programmable 2-9 or disabled

C. CPC (Calling Party Control) Break for Automatic Disconnect

Maximum CPC Length: 

Unlimited

Minimum CPC Length:

450ms

Note:  

CPC - Calling Party Control (Disconnect Supervision) is a short break in the line current in the called party’s

phone line when the calling party hangs up. Not available on PABX’s.

D. Return to Dial Tone for Automatic Disconnect

Frequency Range: 

300-2000 Hz

Minimum Signal Level:

-22dbm

E. Ring Signal for Automatic Answer

Minimum Ring Voltage at 30Hz:

25VAC RMS

Minimum Ring Voltage at 20Hz:

30VAC RMS

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