3300 R2 Nsu Dip Switch Settings; Mitel Networks™ 3300 Bri Nsu Components - Mitel 3300 ICP Hardware User's Manual

3300 ICP Hardware User Guide

3300 R2 NSU DIP Switch Settings

DIP Switch
1
2
3
4
5
6
BNC Adapter
Required
No
No
Yes
Yes
Note: Site dependent - normally Tx is grounded and Rx is not grounded, but that depends on which
remote connection is grounded.
Mitel Networks™ 3300 BRI NSU Components
Front panel
• RS-232 serial port (DB9 connector) for installation, configuration, and maintenance
• BRI Circuit LEDs
• CEPT link Status LED
• Power LED
• Reset pin.
Rear panel
• Ethernet port (RJ-45 connector) for future use
• E1 port to connect to an NSU that is running E1 DPNSS
• E1 port DIP switches
• BRI connector (25-pair male D-type)
60
MF-R2 Port DIP Switch Settings
Use
Tx Ground
Rx Ground
Impedance selector #1
Impedance selector #2
Impedance selector #3
LT/NT selector
E1/MF-R2 Mode/Connector DIP Switch Setting
Imped LT/NT
ance Mode Tx Gnd
120 NT
120 LT
75 NT
75 LT
Default Setting Notes
Up Tx shield ground when down
Up Rx shield ground when down
Up 120 ohm
Up 100 ohm
Up 75 ohm
Up Up for NT, down for LT
1 2
Rx Gnd
Up Up
Up Up
Note Note
Note Note
Release 3.3
3 4 5
120 100 75
ohm ohm ohm
Down Up Up
Down Up Up
Up Up Down
Up Up Down
6
LT/NT
Up
Down
Up
Down