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Table 56: DTE RS-449 serial cable description
P1 pin
P1 signal
Note
Direction
P2 signal
P2 pin
1 14
TXD+ TXD–
Twisted pair
→ →
SD+ SD–
4 22
2 15
TXCE+
TXCE–
Twisted pair
→ →
TT+ TT–
17 35
3 16
TXC+ TXC–
Twisted pair
← ←
ST+ ST–
5 23
4 17
RXC+ RXC– Twisted pair
← ←
RT+ RT–
8 26
5 18
RXD+ RXD– Twisted pair
← ←
RD+ RD–
6 24
6 19
DCD+ DCD– Twisted pair
← ←
RR+ RR–
13 31
7 20
DTR+ DTR–
Twisted pair
→ →
TR+ TR–
12 30
8 9
RTS+ RTS–
Twisted pair
→ →
RS+ RS–
7 25
10 11
CTS– CTS+
Twisted pair
← ←
CS– CS+
27 9
12 25
DSR+ DSR– Twisted pair
← ←
DM+ DM–
11 29
13 26
LL GND
Twisted pair
→ —
LL GND
10 19, 20, 37
Shield
Shield
—
Shield
1 Shield
21
MODE2
No connect
22
MODE1
GND
23
MODE0
No connect
24
MODE3
GND
DCE RS-449 serial cable
Order code: SR0018016E6
Figure 38: DCE RS-449 serial cable
110 Installation — Hardware Components
August 2013
Содержание Secure Router 2330
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