Nortel Secure 4134 Installation Manual page 74

74 Appendix Interface connector pin assignments
Table 32
Serial connector pin assignments for DCE mode signal
Pin Signal Direc-
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
15 TXCE– Out
16 TXC– I/O
17
RXC– In
18
RXD– In
19 DCD– I/O
20
DTR– Out
21
MODE In
2
22
MODE In
1
23 MODE In
0
24 MODE In
3
Copyright © 2007, Nortel Networks
.
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–
RT–
ST–
TT–
SD–
RR–
DM–
Open Open
Open GND
GND Open
Open Open
Nortel Secure Router 4134
Installation — Hardware Components
NN47263-301 01.02 Standard
10.0 7 August 2007
DCE mode signal
RS- RS-
530 530A
RXD+ RXD+
RXC+ RXC+
TXC+ TXC+
TXCE+ TXCE+
TXD+ TXD+
DCD+ DCD+
DSR+ DSR+
CTS+ CTS+
CTS– CTS–
RTS– RTS–
RTS+ RTS+
DTR+ DTR+
LL LL
RXD– RXD–
RXC– RXC–
TXC– TXC–
TXCE– TXCE–
TXD– TXD–
DCD– DCD–
DSR– DSR–
GND GND
Open GND
GND Open
Open Open
V.35 X.21
RD+ R+
SCR+ S+
SCT+
SCTE+
TD+ T+
RLSD
DSR
CTS I+
I–
C–
RTS C+
DTR
LT
RD– R–
SCR– S–
SCT–
SCTE–
TD– T–
Open GND
GND Open
GND Open
Open Open