Silicom Ltd. Connectivity Solutions

Page 4

In-line device responds to

heartbeat:

Normal

In-line device does not

respond heartbeat:

Bypass

Mode at Power 0ff:

Bypass

Heartbeat Packet:

Internetwork Packet Exchange

IS401U: Bypass Switch 1U Host System Technical Specifications

Dockings:

Front holders

Voltage Input:

AC: 90-240 VAC Auto-Select

-48 (-75

– -36) VDC

Power Consumption:

180W

Size:

438mm x 586 mm x 44 mm ( 17.24” x 23.07” x 1.73”)

Wide x Depth X Height

Operating Humidity:

0%

–90%, non-condensing

Operating Temperature:

0°C

– 40°C (32°F – 104°F)

Storage Temperature:

-20°C

–65°C (-4°F–149°F)

Fans

4 hot swap Fans

4 wires connections on each fan (12V,GND,TACH and PWM)

Specifications (maximum operation condition) of one Fan

SPL- 61dB(A)

Current

– 0.92A

Air flow

– 28.6 CFM

EMC Certifications:

Class A FCC / CE / BSMI

Safety:

CB / UL

MTBF*:

48 years

According to Telcordia SR-332 issue 3, environment GB, temperature 40 °C

IS401U: Bypass Switch 1U Host System LEDs Specifications

LEDs:

FRONT

Two Power LEDs: PS1, PS2

PS1: Green LED will light when power is on and off if there is a failer in power supply module or

when extracrting the power supply module from the system.

PS2: Green LED will light when power is on and off if there is a failer in power supply module or

when extracrting the power supply module from the system.

System Status LEDs: 3 LEDs

Sys OK: System Normal Operation

– Light Green.

Who I’m: in rack identification – Blinking Green.

Sys UP: System Init during power up and during shutdown

– Light Yellow.

ALM: System Alarm

– Light Red.

Module Power LEDs:

1. M1: module1 power on

– Light Green. M2: module2 power on – Light Green.

2. M3: module3 power on

– Light Green.

BACK

One bi-color LED indication that integrated on each power supply module:

Power Switch On

– Geern color.

Standby(AC/DC In,Only +5VSB output)

– Blinking Green color.

Power Fail

– Red color.