Extron electronics PowerCage 1600, Руководство пользователя, Страница: 19 / 22

2
Power supply (PSU) status LEDs — These pairs of LEDs correspond to the primary
(included) power supply and the redundant (optional) power supply. For each power
supply, the LEDs light as follows:
1
PSU
2
PSU
Alarm LED —
Lights when the power supply malfunctions, such as providing an
overvoltage (14 VDC or more) or undervoltage (10.5 VDC or less).
Power LED —
Lights when the power supply receives power.
3
Fan status LEDs — These LEDs indicate whether the fans that cool the enclosure are
operating.
1
FAN
2
FAN
Alarm LED — Lights when the corresponding fan malfunctions.
Power LED — Lights when the corresponding fan receives power.
4
Communication selection (Comm Select) button
— Press this button to select the
desired board to connect to the
Config port
(
5
). With each button press, the serial
connection changes from one active, installed board to the next. The
Comm LED
(see
1
) for the selected board lights.
NOTES:
• When unit power is cycled (removed then restored), the serial connection
returns to the board in the lowest-numbered slot. A double-slot board
connects to the lower-numbered slot.
• The Comm LED lights for each installed, powered board as its slot is selected,
regardless of the type of board. However, RS-232 communication works
only with FOX boards; commands and queries cannot be sent to or passed
through the MTP boards.
5
Configuration and communication (Config) port — For RS-232 serial
communication with any installed board, connect a Windows-based PC or an RS-232
control system to this 2.5 mm mini stereo-style (tip-ring-sleeve) jack. Use the Extron
9-pin D to 2.5 mm stereo mini TRS RS-232 cable (part number 70-335-01, shown in
the following figure).
5
1
9
6
6 feet
(1.8 m)
Part 70-335-01
Sleeve (Gnd)
Ring
Tip
9-pin D Connection TRS Plug
Pin 2 Computer's Rx line Tip
Pin 3 Computer's Tx line Ring
Pin 5 Computer's signal ground Sleeve
Figure 8. 9-pin D to 2.5 mm Stereo Mini TRS RS-232 Cable
PowerCage 1600 Enclosure • Operation 13