User's Manual

1-12
Chapter 1: Product introduction
1.7 Connectors
1.7.1 Rear panel connectors
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1. PS/2 mouse port (green).ThisportisforaPS/2mouse.
2. Video Graphics Adapter (VGA) port. This15-pinportisforaVGAmonitororother
VGA-compatibledevices.
3. LAN (RJ-45) port.TheseportsallowGigabitconnectiontoaLocalAreaNetwork
(LAN)throughanetworkhub.
2. Chassis intrusion connector (4-1 pin CHASSIS)
Thisconnectorisforachassis-mountedintrusiondetectionsensororswitch.Connect
one end of the chassis intrusion sensor or switch cable to this connector. The chassis
intrusionsensororswitchsendsahigh-levelsignaltothisconnectorwhenachassis
componentisremovedorreplaced.Thesignalisthengeneratedasachassisintrusion
event.
Bydefault,thepinlabeled“ChassisSignal”and“Ground”areshortedwithajumper
cap.Removethejumpercapsonlywhenyouintendtousethechassisintrusion
detection feature.
B150M-A
B150M-A Chassis intrusion connector
+5VSB_MB Chassis Signal GND
CHASSIS