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Chapter 3
Communication Ports
8
Figure 22: Serial RJ45 Port Pin Configuration
a
Connected internally.
b
In RS232 mode, this pin enters a high impedance state. A DTE that asserts RTS will see CTS asserted, although the device will not perform hardware flow
control.
Section 3.7
Precision Time Protocol (PTP) Ports
The optional Precision Time Protocol (PTP) card for the RX1000P provides accurate time synchronization across
local and wide area networks. The PTP card is capable of using a variety of time synchronization methods
including Network Time Protocol (NTP), IRIG-B, and IEEE 1588, making it a flexible product for new and existing
installations.
22
Pin
12
13
14
15
16
17
18
19
20
21
22
23
24
25
Pin
1
Shield
Name
TxCLK
RxCLK
DTR
RS232 Mode
RS485 Mode
a
1
DSR/RI
a
2
DCD
3
DTR
4
Common (Isolated) Ground
5
RX
6
TX
ab
7
CTS
b
8
RTS
Chassis Ground
Precision Time Protocol (PTP) Ports
RUGGEDCOM RX1000P
Installation Guide
Description
Transmit Clock
Receive Clock
Data Terminal Ready
RS422 Mode
RX-
RX+
TX/RX+
TX+
TX/RX-
TX-
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