NEC Australia Pty Ltd Xen Master & Xen Axis
7 - 200 Installing Optional Equipment
A6-324000-642-01 – Release 4.0
May 2001
Table 7-1 ADA-UA Cable Connections
Terminal
Number
Cables to Connect Terminal Specifications
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 ADA-UA on
T3:T4 over a separate wire pair to the
recorder.
Input Terminal:T1 and T2 are enabled for tone
generating device when DIP switches 3 and 4 are
OFF.
(If switches 3 and 4 are ON, a humming sound may
be recorded due to impedance mismatch.)
Input Impedance on T1 and T2: 100K
Ω
Input Level on T1 and T2: –15 dB ~ 40 dB
T2
T3 Connect recorder device wire pair
speech input to T3:T4.
If the recorder used supplies a
warning tone, this tone may also be
sent over the T3:T4 wire pair back to
the terminal.
Input/Output Terminal:
Refer to dip switch settings in Table 7-2 ADA-UA
Unit Switch Settings.
T4
T5 Connect the bare end of the control
cable.
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.
If recorder owner manual specifies start on open
circuit, connect T5 and T6.
T6 Connect the shielded end of the
control cable.
Provides common connection for control cable.
T7 Connect the bare end of the 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.
If recorder owner manual specifies start on closed
circuit, connect T6 and T7.
T8 Unused
T9 Unused
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