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SUPERSERVER 2016Ti-HTRF User's Manual
Unit ID Switch
There are three Unit Identifi cation
(UID) devices on the motherboard.
A rear UID switch and a rear UID
LED indicator. The front panel UID
LED is connected to a pin in the
control panel (pin 7 of JF1). When
the user pushes the rear UID switch,
the control panel UID LED and the
back panel UID LED (LE5) will turn
on. Push the rear UID switch again
to turn off both indicators. These UID
indicators provide easy identifi cation
of a system unit that may be in need
of service.
UID Switch
Pin# Defi nition
1 Ground
2 Ground
3 Button In
4 Ground
Internal Speaker/Buzzer
The internal Speaker/Buzzer (SPKR1)
can be used to provide audible indica-
tions for various beep codes. See the
table on the right for pin defi nitions.
Internal Speaker/Buzzer
Pin Defi nition
Pin# Defi nitions
Pin 1 Pos. (+) Beep In
Pin 2 Neg. (-) Alarm
Speaker
External Speaker
On the JD1 header, pins 3~4 are
used to activate the internal speaker/
buzzer. Close pins 3~4 with a jumper
to use the internal speaker/buzzer. If
you wish to use an external speaker,
attach the external speaker's cable to
pins 1~4. See the table on the right for
pin defi nitions.
Speaker Connector
Pin Defi nitions
Pin Setting Defi nition
Pins 3~4 Internal Speaker
Pins1~4 External Speaker
NC = No Connection
Serial Ports
The COM1 serial ports is a located on
the I/O back panel. See the table on
the right for pin defi nitions.
Serial Port Pin Defi nitions
Pin# Defi nition Pin# Defi nition
1 DCD 6 DSR
2 RXD 7 RTS
3 TXD 8 CTS
4 DTR 9 RI
5 Ground 10 NC
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