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Northern Telecom CONFERENCE 2000 Installation, Operation & Maintenance Instructions Manual page 39

Teleconference terminal

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I
J,_
PRACTICE 512-6261-200
CONTROL MODULE
M2
MAY BE USED TO TURN ON A CIRCUIT
(E.G., LAMP).
.----+----➔
CLOSED WHEN UNIT IS TURNED
ON.
MB2
--+---"M=
8
=
2
'--◄
COMMON
.
.__-+--
8
-
2
- - OPEN WHEN UNIT IS TURNED
ON.
MAY BE USED TO TURN OFF A CIRCUIT
Fig. 16 - Connections for auxiliary transfer contacts
TO KEY
{
LG
f
----
] r
OR GRD} LAMP
TELEPHONE
SYSTEM
I
I •
37 : : BAT OR
:t
POWER
NE·1A1
L
I
29
M10
SUPPLY
I
23
I
NE·
1A2
24
EBM8
I
I •
I
0
25
0
27
EBM6
d :
26
0
0
28
0
I
I
39
0'
I
30
M4
t
I
a
I
10
u
2
01
BL
TO BL LEAD OF
·20V
D
MS
CONTROL MODULE
: 0 40
~
PART OF NE·227A KTU
Fig. 17 - Connections for external station busy lamp or relay control
Page 39

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