Huahuan Electronics H20RN-2000.V2 Series User Manual

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

Huahuan Electronics H20RN-2000.V2 Series Specifications

General

Brand	Huahuan Electronics
Model	H20RN-2000.V2 Series
Category	Multiplexer
Language	English