Mitel 3300 ICP Hardware User's Manual page 71

RS-232 Maintenance Connector Allocation
Signal Name
DTR (data terminal ready)
DCD (data carrier detector)
RXD (receive data)
TXD (transmit data)
DTR (data terminal ready)
GND
Not used
RTS (ready to send)
CTS (clear to send)
Not used
BRI Connector Allocation
T1
T2
T3
T4
T5
T6
T7
T8
T9
T10
T11
T12
T13
T14
T15
R1
R2
R3
R4
R5
R6
R7
R8
R9
R10
R11
R12
R13
R14
R15
Release 3.3
Specifications
RJ-45 Connector Pin
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
63