BEIJING HUAHUAN ELECTRONICS Co., LTD.
H9MO-1641S User Guide V2.2
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6
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3.2 Front
Panel
The front panel of the H9MO-1641S includes an RJ11 connector for order wire (PHONE), SC
connectors (OLT-A, OLT-B, OLT-C), Ethernet connector and system status indicators.
The H9MO-1641S is 1U height with 19” standard rack mounting as shown in figure 3.2.
H9MO-1641S
Hua
huan
PHONE
ALMP
PWR
ALMD SYS
FDX Link/Act
Rx
Tx
C
Rx
Tx
B
Rx
Tx
A
Etherent
华环
H9MO-1641S
Figure 3.2 H9MO-1641S front panel
3.2.1 Indicators
There is a total of 6 LEDs located on the left and right of the front panel for a fully equipped
H9MO-1641S.
LED
Color
Description
PWR
Green
Lit – Power normal
ALMP
Red
Lit – Major alarm
ALMD
Yellow
Lit – Minor alarm
SYS
Green
Flashing – System function normal
FDX
Green
Flashing – Data transmit and receive
Link/Act
Green
Lit – Link active
Table 3.1 LED description
When the H9MO-1641S is in boot up mode or software upgrade mode, the indicators ‘ALMP’;
‘ALMD’ and ‘SYS’ have a special meaning for the system status.
(1) Power Up, ‘ALMP’ Red lit up (Last for around 6 – 10 Seconds)
(2) ‘SYS’ Green lit up (last for around 5
seconds)
(5) ‘ALMD’ Yellow lit up
(3)
Three LEDs ‘ALMP’, ‘ALMD’, ‘SYS’
flashing in registry counting mode
(6) Three LEDs ‘ALMP’, ‘ALMD’ and
“SYS’ flashing simultaneously.
(4) ‘SYS’ flashing Green, SV program in
normal operation.
