Indicator/
Button
Description
ACT indicator
If the indicator is steady green, the MPU functions as the master MPU.
If the indicator is off, the MPU functions as the slave MPU or is not
registered.
ETH LINK
indicator
If the indicator is steady green, the ETH link is Up.
If the indicator is off, the ETH link is Down.
ETH ACT
indicator
If the indicator blinks yellow, data is being transmitted.
If the indicator is off, no data is being transmitted.
RESET button
The button is used for resetting the MPU. Press the RESET button to
reset the MPU.
Table 2-24
Interfaces on the MPU
Interface
Name
Interface Type
Description
ETH interface
(10M/100M/
1000M Base-
TX auto-
sensing)
RJ45
One ETH interface, for system maintenance
Console
interface
RJ45
One console interface, used to connect to the
console for on-site configuration
AUX interface
NOTE
User login by
using AUX
interfaces is not
supported at
present.This
interface is used
for reservation
expansion.
RJ45
One AUX interface, used to connect to the
modem for remote maintenance through a
dial-up connection
TOD date
interface
RJ45
Input or output 1PPS and TOD clock signals
from one channel, and input and output DCLS
from one channel
CLK clock
interface
RJ45
One RJ45 interfaces. It is used to input one
channel or output one channel 2-Mbit/s clock
signals, or one channel 2-MHz clock signals.
RS485 interface RJ45
Used to connect to the monitoring interface
on the external AC power supply module
HUAWEI CX600-X1-M/CX600-X2-M Series Metro
Services Platform
Hardware Description
2 CX600-X2-M8 Hardware Description
Issue 03 (2014-04-30)
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