Mitel 50005070 Instruction Manual download pdf (Page 63)

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101

Basic Installation

Installing an NSU

Figure 7: NSU Front View

Figure 8: NSU Rear View

The NSU connects to the Controller via a CIM or FIM cable.

1. Mount and secure the NSU in the desired location.

2. Set the L0/L1 port DIP switches to the appropriate termination mode

and impedance; see Figure 9, “NSU DIP Switch Location,” on

page 54. The default is network termination mode (switch 6).

3. Set the two Message Link DIP switches to the down position. The left

switch is partially hidden by the NSU rear panel.

4. Connect a fiber optic cable between the NSU FIM and the controller FIM.

Or, connect a Cat 5 crossover cable between one of the CIM ports on the

NSU and one of the CIM ports on the SX-200 ICP controller.

5. Connect the NSU L0 and/or L1 port to the remote system (the PSTN

or another system). See the table below for the pinout.

6. Install IMAT from the SX-200 ICP software CD.

7. Connect power to the NSU.

Note: The FIM Module in the controller must be the 1K variant, which

is the only variant that the NSU supports.

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Mitel 50005070 Instruction Manual Page 63

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