NEC Electra Elite 192, Hardware Manual

Page: 294 / 369

Issue 6 Electra Elite
7 - 12 Installing Optional Equipment
The following switch settings should be made on the
ADA-U Unit to enable or disable the record start warning
tone. Switch settings should be made before installing the
ADA-U Unit in the Multiline Terminal. Refer to
Table 7-2
ADA-U Unit Switch Settings .
Table 7-2 ADA-U Unit Switch Settings
Switch Setting Description
SW1–1 On
When the ADA-U provides
control to the recorder,
SW1-1 should be set to
On, otherwise set it to Off.
SW1–2 Off Leave Off
SW1–3
and
SW1-4
SW1–3
ON
SW1–4
ON
Warning
Tone from
recording device over
same wire pair as speech
path.
SW1–3
OFF
SW1–4
OFF
Warning
Tone from
recorder or generator
equipment on dedicated
wire pair to recorder MIC
input
SW1–5
and
SW1–6
SW1–5
OFF
SW1–6
ON
Input impedance is 600
Ω
SW1–5
ON
SW1–6
OFF
Input impedance is less
than 30
Ω
SW1–7 ON
When
warning
tone from
any device is sent to
telephone
SW1–8 Off Leave Off
Do not connect T1 and T2 when switches SW1-3 and SW1-4
are ON.