Terminal Block
describes the terminal blocks of the H304ESC EMU.
Table 4-3
Terminal blocks of the H304ESC EMU
Silk Screen
Function
Remarks
JTD1-JTD12
Socket for the standby digital
signal input
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
JTD13
Only for the water sensor
Connected to the water
sensor
JTD14-JTD16
Not available (reserved for
special usage)
Not available
JTD17-JTD20
Socket for the -48 V
detection signal input
Connected to the detected -48
V power supply
JAC1
Relay output
Connected to the port on the
controlled device
JAC2
Relay output
Reserved
JAK1 and JAK2
Socket for the external alarm
device
Connected to the alarm
components, such as the row
and column alarm LEDs
JAK4
Socket for the dry contact
output
Connected to the port on the
controlled device
JTM1
Socket for the door status
sensor
Connected to the door-status
sensor
JAB1
Socket for the buzzer
Connected to the buzzer on
the cabinet
JTP1
Socket for the MDF sensor
Connected to the alarm unit
on the MDF
JTA1-JTA3
Socket for the standby analog
signal output/input
l
Connected to the external
sensor, and outputting the
4-20 mA current or the
0-5 V voltage
l
Selecting the type of the
accessed signals through
the DIP switches
JTA4-JTA6
Not available
Not available
UA5000 Universal Access Unit
Environment Monitoring
4 H304ESC Monitoring Solution
Issue 01 (2012-08-17)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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