About the External Alerter and Recording Interface
The External Aler
t
er and
R
ecording Interface connect s t
o
any 3900 serie
s
Digital Telephone except the 3901 which has no accessory port. In order to use
the External Alerter
A
n
d Recording In
t
erface accessory, the t
e
lephone must be
equipped with the 3900 series ACM (Accessory Connection Module) in the footstand and the
power supply (purchase separately).
The External Alerter and Recording
I
nterface provides relay contact outputs for
both ringing a
n
d call status (off
-
hook conditio
n
) for acti
v
ation of third party peri
p
heral
products s
u
ch a
s
lo
u
d ri
n
gers
o
r call-in-progress i
n
dicators.
A
dditionally, t
h
e
External Alerter and Recor
d
ing Interface
p
rovides an audio output conne
c
tion to voice
recording equipment (as permitted by law).**
The audio output level
from the Ex
t
ernal Alerter and Recor
d
ing Interface can
vary wi
t
h handset, headset, or h
a
nds-free. L evels ma
y
also v
a
ry between loc
a
l an
d
remote spee
c
h, and bet
w
een users. For th
i
s reason, voic
e
rec
o
rders wi th ALC (aut
o
matic
level control) circuitry will provide the b
e
st quali
t
y re
c
ordings and uniform recorded
speech l evel. This is
e
specially true for
r
ecording h
a
nds free
c
onversations w
h
ich c
a
n
provide the greatest range of speech level.
The External Alerter and Recording Interface provides:
•
Ring relay contact
•
Call status (off-hook) relay contact
•
Record audio
Since all thre
e
output signals operate
inde
p
endently, the External Alerter an
d
Recording Interface can b e used for more than one purpose such as f
o
r loud ringing, call in
progress indication and recording.
The External Alerter and
Recording Interface d
o
es not require any software or
system configuration.
**
Refer to important statement CONCERNING THE LEGALITY OF RECORDING CONVERSATIONS (ON PAGE 2)
External Alerter and Recording Interface Installation And Application Guide
3
