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FortiGate-5140B chassis
FortiGate-5140B shelf alarm module
FortiGate-5140B Chassis Guide
01-500-156415-20151104
17
The shelf alarm modules support redundant operation with automatic switchover. If both
shelf alarm modules are operating normally, one acts as the active shelf alarm module
and the other as the standby. Usually the primary shelf alarm module would be active and
the secondary module would be the standby. The shelf alarm modules monitor each
other and either can trigger a switchover if necessary. By default the shelf alarm module
on the left is the active one. The active shelf alarm module performs all shelf alarm
functions. If the active shelf alarm module fails or is removed, the standby shelf alarm
module takes over all functions.
The Telco Alarm Interface is a standard DB-15 male Telco Form-c connector. The external
dry relay Telco alarm interface (48VDC) provides Telco form-c relay connections for minor,
major and critical power faults. The cable required to connect to the alarm interface is not
supplied by Fortinet. To monitor alarms you should connect to the telco alarm interface of
the active shelf alarm panel, which by default is the one on the left.
Figure 4: FortiGate-5140B shelf alarm module front panel
Table 3: FortiGate-5140B shelf alarm module LEDs
LED
State
Description
OOS (Out
of Service)
Off
Normal operation.
Blinking
Red
Lost connection to the shelf manager or no IPBM bus.
Red
Incorrect hardware address or FRU data corruption.
ACT
(Active)
Green
Normal operation.
H/S (Hot
Swap)
Off
Normal operation.
Blinking
Blue
The shelf manager is shutting down in preparation for being
removed from the chassis.
Blue
The shelf alarm module can be removed from the chassis.
POK
(Power
OK)
Green
Input power to the chassis is within limits.
MJR
(Major
Alarm)
Red
Major alarm detected in chassis.
MNR
(Minor
Alarm)
Amber
Minor alarm detected in chassis.
CRIT
(Major
Alarm)
Red
Critical alarm detected in chassis.
Retention
Screw
Reset
Retention
Screw
Telco Alarm
Interface
Out of Service (Red)
Active (Green)
Hot Swap (Blue)
Power OK (Green)
Major Alarm (Red)
Minor Alarm (Amber)
Critical Alarm (Red)