Mitel 3300 Technician's Handbook page 267

Table 35: RS-232 Maintenance Connector
RJ-45 Connector Pin
1
2
3
4
5
6
7
8
9
Table 36: T1 and E1 Connector Pin Allocation
RJ-45 Connector
Pin
1
2
3
4
5
6
7
8
NT Mode: Switch-6 UP
RX Ring
RX Tip
Unused
TX Ring
TX Tip
Unused
Unused
Unused
Hardware Reference
Signal Name
DCD (data carrier detector)
RXD (receive data)
TXD (transmit data)
DTR (data terminal ready)
GND (ground)
DSR (data set ready)
RTS (ready to send)
CTS (clear to send)
Not used
Signal Name
LT Mode: Switch-6 DOWN
TX Ring
TX Tip
Unused
RX Ring
RX Tip
Unused
Unused
Unused
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