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Transceiver Form-

Factor and Connector

Speed Technology Cabling SFP Connector

1000-LX Fiber (multimode or

single mode)

For supported transceivers, visit www.hpe.com/support/hpesc.

• In the first textbox, type J4858 (for 100-Mb and Gigabit information).

• Select any of the products that display, then click Show selected items.

• Select Support Center. Then click Manuals and find the Transceiver Support Matrix.

For technical details of cabling and technology, see Cabling and Technology Information

Specifications on page 38.

LEDs

The front panel of the switch provides status LEDs for system monitoring. The following table details the

functions of the various indicators.

LED State Meaning

Power (green) On The switch is receiving power.

Blinking* (1920S 8G only) Power is available on the PoE In port (Port 1).

Off The switch is NOT receiving power.

Fault/Locator

(orange)

On On briefly after the switch is powered on or reset, at the beginning of

switch self test. If the LED remains on, it indicates a detected hardware

failure during the self test.

Blinking** A fault has occurred on the switch or one of the switch ports. The Link

LED for the port with the fault will blink simultaneously.

Blinking*** The LED is used to locate a specific switch in an area full of switches.

The LED blinks for 30 minutes when activated through the switch

software.

Off The normal state; indicates that there are no fault conditions on the

switch.

Link/Act(green) On The port is enabled and receiving a link indication from the connected

device.

Off One of these condition exists:

• no active network cable is connected to the port

• the port is not receiving link beat or sufficient light

• Green Mode has been enabled.

Table Continued

10 LEDs

Questions and Answers:

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HPE OfficeConnect 1920S Series Specifications

General