A SERVICE OF

logo

56
SX-200 ICP MX Technician’s Handbook
Table 6: NSU DIP Switch Setting
DIP Switch Function Settings Notes
1
TX Ground Down: Ground
Up: Floating
Set to Up
2
RX Ground Down: Ground
Up: Floating
Set to Up
3
E1 Twisted Pair
cable selector
(RJ45, PRI)
Down: Enabled
Up: Disabled
Set to Up
120 ohm impedance
(Europe)
4
TI Cable Selector
(T1/D4)
Down: Enabled
Up: Disabled
100 ohm impedance
Default - Down
5
EI, coaxial cable
selector (R2)
Down: Enabled
Up: Disabled
Set to Up
75 ohm impedance
(Europe)
6
Line/Network
Termination
Selector
Down: Line
Up: Network
If connecting to Telco, set
switch to Up