Terminal Block; Terminal Blocks Of The H303Esc Emu; Buzzer Switch - Huawei UA5000 Manual

UA5000 Universal Access Unit
Environment Monitoring
Table 3-2
Table 3-2 Buzzer switch
Item

Buzzer switch

Terminal Block

Table 3-3
Table 3-3 Terminal blocks of the H303ESC EMU
Silk Screen
JTD1-JTD16
JTD17-JTD20
JAC1
JAC2
JAK1 and JAK2
JAK4
JTM1
JAB1
JTP1
Issue 01 (2012-08-17)
describes the buzzer switch.
Status
ON
OFF
describes the terminal blocks of the H303ESC EMU.
Function
Socket for the standby
Boolean value input
Socket for the -48 V
detection signal input
Socket for the first optical
coupling control output
Relay output (reserved)
Socket for the external alarm
device
Socket for the dry contact
output
Socket for the door-status
sensor
Socket for the buzzer
Socket for the MDF sensor
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3 H303ESC Monitoring Solution
Description
The communication between the monitoring
unit and the host is normal
The communication between the monitoring
unit and the host is faulty
Remarks
l Used to monitor the PDU
status, fan tray status, and
other Boolean values
l Connected to the
monitored devices
according to the
application scenarios
Connected to the detected -48
V power
Connected to the port on the
controlled device
Unavailable
Connected to the alarm
components, such as the row
and column alarm LEDs
Connected to the port on the
controlled device
Connected to the door-status
sensor
Connected to the buzzer on
the cabinet
Connected to the alarm unit
on the MDF
8