3300 Nsu Pin Allocations - Mitel 3300 ICP Technician's Handbook

3300 ICP Technician's Handbook – Release 3.2
Note: The 3300 BRI NSU is connected to an appropriate device
(such as a PSTN or ISDN device) from a 25-pair Amphenol
connector.
Setting Up the Maintenance PC
To install, configure, and maintain the 3300 BRI NSU, you must
connect it to a maintenance computer. The computer must be
running DOS and have a communications program (such as
ProComm Plus ©) installed.
To connect a maintenance PC to the 3300 BRI NSU:
1. Using the RJ45 to 9-pin D-type MMI cable, connect the RS-232
port on the 3300 BRI NSU to COM port 1 or 2 on the PC.
2. Set up the communications program on COM port 1 or 2 with
the following parameters: 9600 baud, 8 data bits, no parity, 1
stop bit, ASCII character set, and XON/XOFF flow control.

3300 NSU Pin Allocations

T1 and E1 Connector Allocation
Signal Name
RXRING
RXTIP
Not used
TXRING
TXTIP
Not used
Not used
Not used
RJ-45 Connector Pin
1
2
3
4
5
6
7
8
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