Sfp Slots; Protection Circuits; Alarm Monitoring; Alarm Connectors - Allied Telesis IE340 Series Installation Manual

SFP Slots

Protection
Circuits
Alarm
Monitoring
Alarm
Connectors
25
The number of SFP slots and types of supported transceivers are given
here:
Four SFP slots on the IE340-12GP, IE340-12GT and IE340-20GP

switches
Two SFP slots on the IE340L-18GP switch

100Base-FX transceivers (All models except the IE340L-18GP

switch.)
1000Base-SX/LX transceivers

Single-port Bi-directional (BiDi) 1000Base-LX transceivers

1000Base-ZX transceivers

1000Base-T twisted pair transceivers

Note
SFP transceivers are purchased separately.
The switches have optimized protection circuits to guard against the
following abnormal conditions:
Reverse input voltage polarity

Over- and under-voltage

Over-current

Peak-current and short-circuit

Over-temperature

The alarm facility lets you monitor the switch's environment and respond to
problems as they occur. Example of alarm events include:
Main power supply failure

Over-temperature

Port link down

Power requirements of all powered devices exceeding available

power budget
Powered devices exceeding individual port budgets

External Alarm contact input

The switches have two alarm connectors:
Alarm In connector for an external sensor, such as a motion

detector or door relay, to monitor the wiring closet or cabinet.
Alarm Out connector for an external alert device, such as a buzzer

or LED, to indicate switch alarms.
Chapter 1: Overview