Telephones and Peripheral Equipment
External Ringer (UNA Device)
External Ringer (UNA Device)
Guidelines
l
An external ringer (either audible ringing or a bell, buzzer, etc can be
used to alert users when Universal Night Answer (UNA) calls come in
l
The CPC-M supplies a relay that activates when UNA calls are present
This relay can be used to activate an external device (bell buzzer, etc
Alternatively, this relay can be used to activate the audio output of an
amplifier when a UNA call is present.
l
The CPC-S does not have a UNA relay or separate ER audio
If
UNA is used with a CPC-S, the UNA external ringer audio output must be
directed out at the EPA connector It is recommended that the EPA output
be connected to a voice-activated amplifier to eliminate background
“white’ noise
l
The contact rating for the “Cl’ (Common 1) and
1) terminals
is 30V DC, 1 amp (maximum) (CPC-M only)
l
An external ringer device (bell, buzzer, etc is not provided with the DBS
824 It must be purchased separately
/Installation of External Ringer Amplifier (CPC-S)
1
Connect the EPA connector to the audio in connector of the amplifier
device (Note This output is shared with the paging
Installation of External Ringing Device (CPC-M Only)
1
Connect the external ringer to the “Cl” and “Ml” terminals on the
Connector Panel (See Figure 5-16 )
Note: Connecting the ringer to the “Cl” and “Ml” terminals provides a
“1 second on/3 seconds off’ ringing pattern Connecting to “Cl” and
“B
1) terminals provides a “1 second off/3 seconds on” ringing
pattern
2
Connect the external ringer to its DC power source
Issued
DBS 824-1 O-300
Содержание DBS 824
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