Terminal - NEC Xen alpha Installation Manual

Installation Manual, Chapter 5 – Installing Dterm Series i Optional Equipment
November 2003, A6-506000-642-01(8508), Release 6.0
Table 5-1:

Terminal

Cables to Connect
Number
T1 When warning tone is not being
sent from the recorder, connect
wire pair input from tone
generator to T1:T2. The warning
tones from the generator are
sent to T1:T2 on a dedicated wire
pair while the speech path is sent
from the AD(A)-R( ) on T3:T4
over a separate wire pair to the
T2
recorder.
T3:T4 Connect recorder device wire
pair speech input to T3:T4.
When the recorder used supplies
a warning tone, this tone may
also be sent over the T3:T4 wire
pair back to the terminal.
T5 Connect the bare end of the
control cable.
T6 Connect the shielded end of the
control cable.
T7 Connect the bare end of the
control cable.
T8
Unused
T9
AD(A)-R( ) Unit Cable Connections
Terminal Specifications
Input Terminal: T1 and T2 are
enabled for tone generating
device when switches SW1-3
and SW1-4 are OFF.
(When switches SW1- 3 and
SW1-4 are ON, a humming
sound may be recorded due to
impedance mismatch.)
Input Impedance on T1 and T2:
100K <Symbol>W
Input Level on T1 and T2: –15
dB ~ 40 dB
Input/Output Terminal:
Refer to dip switch settings in
Table 5-2: AD(A)-R( ) Unit
Switch Settings
When a Multiline Terminal is idle,
this contact is closed. When the
Multiline Terminal goes off-hook
(using the handset, headset, or
speakerphone), this contact is
open.
When recording device owner's
manual specifies start on open
circuit, connect T5 and T6.
Provides common connection for
control cable.
When the Multiline Terminal is
idle, this contact is open. When
the Multiline Terminal is busy
(using the handset, headset, or
speakerphone), this contact is
closed.
When recording device owner's
manual specifies start on closed
circuit, connect T6 and T7.
.
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