MB21 (21 Slot) Chassis
F-MB21X-R Chassis Removable Fan Tray
MB6 and MB21 Multichannel Chassis Installation Guide, v2.0, Issue 01
21
F-MB21X-R Chassis Removable Fan Tray
The F-MB21X-R chassis has a removable fan tray located on the upper portion of the rear panel:
Figure 14: F-MB21X-R Removable Fan Tray Module (close-up view bottom)
Removable Fan Tray Module
Fan Tray Alarm Mute button
A
B
C
E
D
Push button to mute Fan Tray Audible Alarm
Fan Tray Power LED
Fan Tray Bi-Color Status LED
Green = Fan Tray Status OK
Red = Fan Tray Status Problem
RTU Terminal Connector (6 pins)
Fan Tray & PSU Module Output Alarms
Mating Terminal
Phoenix Contact
Mfg P/N 1827745
Pin 1 = Combined Fault Gnd
Pin 2 = Combined Fault Signal
Pin 3 = Fan Fault Gnd
Pin 4 = Fan Fault Signal
Pin 5 = PSU Fault Gnd
Pin 6 = PSU Fault Signal
TTL Signal (Open Connector)
Low Active -> Defective
High -> Normal
Sink AND Source Current 24mA MAX
Press once to mute alarm.
Press again to re-activate alarm.
(Green)