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NEC Australia Pty Ltd
Xen Master & Xen Axis
5 - 174
Installing Electronic Telephone Units
A6-3
240
00-6
42-
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5.7.2
Installation
A m a xim u m o f o n e E C R -U 1 3 E T U c a n b e in s ta lle d in
b o th th e X e n M a ste r (slo ts S 1 -S 8 ) a n d th e X e n A x is (s lo ts
S 3 S 7 ).
Figure 5-38 ECR-U13 Block Diagram - External Ringing
1
2
3
4
Ext. Tone R inger
R L 3 0 5
R L 1 0 1
R L 1 0 2
R L 2 0 3
R L 2 0 4
External
Am plifier
C N 4
(RC A)
Ext. Tone R inger
Ext. Tone R inger
Ext. Tone Ringer
S p kr
O u t
Output
from
M D F
E C R -U 1 3 E T U
R inger
Source
Tone
N igh t C h im e