3300 Universal Nsu Protocols; 3300 Universal Nsu Dip Switch Settings - Mitel 3300 ICP Hardware User's Manual

3300 ICP Hardware User Guide

3300 Universal NSU Protocols

The 3300 Universal NSU provides T1 or E1 connectivity and supports up to two links per unit.
The protocols supported by the interfaces are:
• T1 - PRI, Q.Sig, DPNSS, T1/D4
• E1 - PRI, Q.Sig, DPNSS, DASSII
• PRI variant - DMS-250, DMS-100, 4ESS, NI-2, 5ESS, and Euro ISDN (NET5, Q.SIG)
Protocol variant - EURO_STANDARD, EURO_NUMERIS, EURO_CAYMAN,
NI2_STANDARD, NI2_5ESS, NI2_GTD5, QSIG_ISO, QSIG_ETSI)
Note: Q.SIG uses Master/Slave. All others use User/Network. T1/E1 running PRI or Q.SIG will
support XNET over PRI, NFAS, D-Channel Backup, and Min/Max functionality.

3300 Universal NSU DIP Switch Settings

DIP Switch
1
2
3
4
5
6
Impedance
100
BNC Adapter
Required
No
No
Yes
Yes
Note: Site dependant - normally Tx is grounded and Rx is not grounded, but that depends on which
remote connection is grounded.
58
Hybrid Port DIP Switch Settings
Use
Tx Ground
Rx Ground
Impedance selector #1
Impedance selector #2
Impedance selector #3
LT/NT selector
PRI/T1 Mode Connector DIP Switch Settings
1 Tx Gnd 2 Rx Gnd
Up Up
E1/MF-R2 Mode/Connector DIP Switch Settings
Impedance
120
120
75
75
Notes
Ground when down; floating when up.
Ground when down; floating when up.
120 ohm (enabled when down)
100 ohm (enabled when down)
75 ohm (enabled when down)
Up for NT; down for LT.
3 4
I #1 I #2
Up Down
1 2 3
Tx Rx 120
Gnd Gnd ohm
Up Up Down
Up Up Down
Note Note Up
Note Note Up
Release 3.3
5 6
I #3 LT/NT
Up Down
4 5
6
100 75
LT/NT
ohm ohm
Up Up Up
Up Up Down
Up Down Up
Up Down Down