Nortel Secure 4134 Installation Manual page 73

Table 31
Serial connector pin assignments for DTE mode signal
Pin Signal
1
TXD+
2 TXCE+
3
TXC+
4
RXC+
5 RXD+
6
DCD+
7
DTR+
8 RTS+
9
RTS–
10
CTS–
11 CTS+
12
DSR+
13
LL
14 TXD–
15
TXCE–
16
TXC–
17 RXC–
18 RXD–
19
DCD–
20 DTR–
21 MODE2
22
MODE1
23 MODE0
24 MODE3
25
DSR–
26 GND
Copyright © 2007, Nortel Networks
.
Direc-
tion
RS-
232
V.10
Out TXD
Out TXCE
I/O TXC
In RXC
In RXD
I/O DCD
Out DTR
Out RTS
Out
In
In CTS
In DSR
I/O LL
Out
Out
I/O
In
In
I/O
Out
In Open
In Open
In GND
In GND
In
— GND
Nortel Secure Router 4134
Installation — Hardware Components
NN47263-301 01.02 Standard
10.0 7 August 2007
Appendix Interface connector pin assignments 73
DTE mode signal
RS- RS-
449 530
V.11
SD+ TXD+
TT+ TXCE+
ST+ TXC+
RT+ RXC+
RD+ RXD+
RR+ DCD+
TR+ DTR+
RS+ RTS+
RS– RTS–
CS– CTS–
CS+ CTS+
DM+ DSR+
LL LL
SD– TXD–
TT– TXCE–
ST– TXC–
RT– RXC–
RD– RXD–
RR– DCD–
TR– DTR–
Open GND
GND Open
Open GND
GND GND
DM– DSR–
GND GND
RS- V.35
530A
TXD+ SD+
TXCE+ SCTE+
TXC+ SCT+
RXC+ SCR+
RXD+ RD+
DCD+ RLSD
DTR+ DTR
RTS+ RTS
RTS–
CTS–
CTS+ CTS
DSR+ DSR
LL LT
TXD– SD–
TXCE– SCTE–
TXC– SCT–
RXC– SCR–
RXD– RD–
DCD–
GND Open
GND GND
Open GND
GND GND
GND GND
X.21
T+
S+
R+
C+
C–
I–
I+
T–
S–
R–
GND
Open
Open
GND
GND