Samsung NX-308 - Page 18

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Connection Table
The NX-308 system is equipped with a standard Amphenol connector, and its connections are shown in
the following table. All the necessary Station connections may be accomplished through this
connector.
The PSTN lines are connected to a customer-supplied LJU via the line cords supplied with the system.
Amphenol
Connector
Pin No.
Colour LJU
Pins
Connections
26 1
27 2
WH BL
WH OR

Reserved
Reserved
28 3
29 4
WH GR
WH BR

Reserved
Reserved
30 5
31 6
WH SL
RD BL

Ext. Music Source
Ext. Page
Tip, Ring
Data - Data +
(No polarity)
(No polarity)
32 7
33 8
RD OR
RD GR
4 3
5 2
Station 1
(Keyphone only)
Tip, Ring
Data - Data +
(No polarity)
(Polarity)
34 9
35 10
RD BR
RD SL
4 3
5 2
Station 2
(Keyphone only)
Tip, Ring
Data - Data +
(No polarity)
(Polarity)
36 11
37 12
BK BL
BK OR
4 3
5 2
Station 3 Tip, Ring
[Data - Data +]
(No polarity)
(Polarity)
38 13
39 14
BK GR
BK BR
4 3
5 2
Station 4 Tip, Ring
[Data - Data +]
(No polarity)
(Polarity)
40 15
41 16
BK SL
YL BL
4 3
5 2
Station 5 Tip, Ring
[Data - Data +]
(No polarity)
(Polarity)
42 17
43 18
YL OR
YL GR
4 3
5 2
Station 6 Tip, Ring
[Data - Data +]
(No polarity)
(Polarity)
44 19
45 20
YL BR
YL SL
4 3
5 2
Station 7 Tip, Ring
[Data - Data +]
(No polarity)
(Polarity)
46 21
47 22
WH/BL BL
WH/BL OR
4 3
5 2
Station 8 Tip, Ring
[Data - Data +]
(No polarity)
(Polarity)
48 23
49 24
WH/BL GR
WH/BL BR
L1 L2
P- P+
Door phone Tip, Ring
GND, Power
(No polarity)
(Polarity - Caution)
50 25 WH/BL SL

Door lock L1, L2 (No polarity)
Note: Stations 3 to 8 can be configured as keysets or single line telephones (SLTs).
When connecting SLTs to the system the Data pairs are not required (shown in brackets in the table),
However the Tip and Ring pair need to be connected to LJU Pins 2 and 5.
Figure 3 - KSU Connection Table