Nortel Secure Router 4134 Installation Manual page 102

102 Interface connector pin assignments
Table 44
Serial connector pin assignments for DTE mode signal (cont'd.)
Pin Signal Direc-
tion
17
RXC– In
18
RXD– In
19
DCD– I/O
20
DTR– Out
21 MODE2 In
22
MODE1 In
23
MODE0 In
24 MODE3 In
25 DSR– In
—
26 GND
Table 45
Serial connector pin assignments for DCE mode signal
Pin Direc-
Signal
tion
1
TXD+ Out
2 TXCE+ Out
3 TXC+ I/O
4 RXC+ In
5
RXD+ In
6 DCD+ I/O
7
DTR+ Out
8 RTS+ Out
9 RTS– Out
10 CTS– In
11 CTS+ In
12 DSR+ In
13 LL I/O
14 TXD– Out
RS- RS-
232 449
V.10 V.11
RT–
RD–
RR–
TR–
Open Open
Open GND
GND Open
GND GND
DM–
GND GND
RS- RS-
232 449
V.10 V.11
RXD RD+
RXC RT+
TXC ST+
TXCE TT+
TXD SD+
DCD RR+
DSR DM+
CTS CS+
CS–
RS–
RTS RS+
DTR TR+
LL LL
RD–
Nortel Secure Router 2330/4134
Installation — Hardware Components
NN47263-301 03.01 7 September 2009
Copyright © 2007-2008 Nortel Networks. All Rights Reserved.
DTE mode signal
RS- RS-
530 530A
RXC– RXC–
RXD– RXD–
DCD– DCD–
DTR–
GND GND
Open GND
GND Open
GND GND
DSR–
GND GND
DCE mode signal
RS- RS- V.35
530 530A
RXD+ RXD+ RD+
RXC+ RXC+ SCR+
TXC+ TXC+ SCT+
TXCE+ TXCE+ SCTE+
TXD+ TXD+ TD+
DCD+ DCD+ RLSD
DSR+ DSR+ DSR
CTS+ CTS+ CTS
CTS– CTS–
RTS– RTS–
RTS+ RTS+ RTS
DTR+ DTR+ DTR
LL LL LT
RXD– RXD– RD–
V.35 X.21
SCR– S–
RD– R–
Open GND
GND Open
GND Open
GND GND
GND GND
X.21
R+
S+
T+
I+
I–
C–
C+
R–