Huahuan Electronics H20RN-2000.V2 Series, Описание аппаратуры

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2 Architecture and Introduction
Hardware Description
H20RN - 2000.V2 Series Platforms
12
Beijing Huahuan Electronics Co., Ltd.
Version 1.3(Oct.2019)
Pin Definition Description
6 RS-422_1_P 1PPS+
7 RS-422_2_N TOD time information
8 RS-422_2_P TOD time information
Reset Button
On the H20RN - 2000.V2 series platforms, there is a reset button marked with “RST” on the
front panel of MX01/PXM01 card, which can reset the system manually, as shown in Figure
2 - 7.
Figure 2-7 Reset button
Management Port
On the H20RN - 2000.V2 series platforms, MX01/PXM01 card provides 1 NM port and 1
CONSOLE port as their network management ports, marks and definitions are shown in Table
2 - 9. Network management ports use standard RJ - 45 socket whose connector diagram is
shown in Figure 2 - 5, NM is the FE electrical port; see its socket definition in Table 2 - 10,
CONSOLE port pin definition is shown in Table 2 - 11.
Table 2-9
Marks and definitions of management ports
Mark Definition
NM Out-of-band management port, using Telnet, EzView to
manage device
CONSOLE RS232 management port, using hyper terminal to
manage device