Extron electronics 60-870-23 User's Guide download pdf (Page 18)

System Operation

No drivers are required for a host to function with the USB Extenders. The transmitter is

detected by Windows and appropriate USB drivers are loaded. Certain USB peripherals, such

as gaming keyboards, USB interactive whiteboards, scanners, printers, and similar devices,

require specific drivers to be installed on the PC. See the USB device installation instructions

or the peripheral manufacturer website to obtain drivers.

Once the transmitter, the receiver, the PC or USB host, and peripherals are connected, have

the appropropriate drivers loaded, and are powered up, the system is fully operational. If

problems are encountered, ensure all cables are routed and connected properly and the

latest drivers for each peripheral are installed.

Troubleshooting

USB signals are generally very reliable but are susceptible to bad connections or cables

that are too long. The TP cable can have the same issues. To avoid the loss of data and

communications, follow these guidelines:

• The USB cable on the transmitter host connection or the receiver hub ports should not

exceed 10 feet (3 m).

• When connecting the host or peripherals, use only cable designed for USB signals.

• Avoid or limit the use of adapters.

• The USB Extender works as described in point-to-point applications. Do not use

additional adapters, patch panels, or couplers with the host USB cables, hub USB cables,

or twisted pair cables. Additional links in the signal chain can result in the reduction of

signal integrity and overall cable length performance.

When properly connected and operating, both transmitter and receiver Power LEDs, Link

LEDs and Host LEDs are lit. The hub LED for each connected peripheral recognized by the

host PC is also lit.

Front panel LEDs may also be useful for troubleshooting. The following table outlines

operating details indicated by the LEDs.

Transmitter (Tx) Receiver (Rx)

LED

Indicator

On Off On Off

Power

12 VDC supply is connected

and operating properly, or

host is properly supplying

power.

12 VDC supply is not connected

or is defective.

If a transmitter supply is

not being used, USB host is

either not on or not providing

power, or the USB cable is

disconnected.

12 VDC supply is connected

and operating properly.

12 VDC supply is not connected

or defective.

Link

Both transmitter and receiver

have power and TP cable is

connected properly.

If both Power LEDs are on, the

TP cable is not connected or is

improperly wired.

If a transmitter supply is not

being used, USB host is either

not on or is not providing

power.

Both transmitter and receiver

have power and TP cable is

connected properly.

If both Power LEDs are on, the

TP cable is not connected or is

improperly wired.

If either Power LED is off, see

the Power LED troubleshooting

instructions above.

Host

When transmitter power

LED is on, lights when

communication with host PC

is established.

If transmitter power LED is on,

USB cable is not connected.

LED blinks if transmitter is not

communicating with receiver.

Lights when communication

with host PC is established.

Host USB port is not connected

or host is not communicating.

Hub

N/A N/A Lights when the peripheral

on the USB port has been

recognized by the host PC.

Peripheral on the USB port has

not been been recognized or is

improperly connected.

Table 1: System Troubleshooting

USB Extenders • Installation and Operation 12

1 2 ... 13 14 15 16 17 18 19 20 21 22 23 24 25 26

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Extron electronics 60-870-23 User's Guide Page 18

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