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OFFICECONNECT REMOTE 520/521

3COM CORPORATION

OFFICECONNECT REMOTE 520/521

Card Type

ISDN to Ethernet router

NIC Type

ISDN, Ethernet

Maximum Onboard Memory

Unidentified

I/O Options

RJ-11, RJ-45 (2), 9-pin serial port (RS-232),

BNC connector, ISDN BRI interface

Network Transfer Rate

128Kbps

Topology

Star

Wiring Type

RJ-45 Unshielded twisted pair

ISDN BRI

RG58A/U 50ohm coaxial

Data Bus

External

CONNECTIONS

Function

Label

Function

Label

DC power connector

CN1

RJ-45 UTP connector

CN4

9-pin serial port

CN2

RJ-45 ISDN connector

CN5

BNC connector

CN3

RJ-11 analog phone interface

CN6

USER CONFIGURABLE SETTINGS

Function

Label

Position

Factory configured - do not alter

RESET

N/A

Hub connection enabled

MDI/X

In

 

Single PC connection enabled

MDI/X

Out

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

ALRT

Orange

On

Error detected on network

ALRT

Orange

Blinking (slow)

Device is loading software during power up or new software is being downloaded

ALRT

Orange

Blinking (fast)

Self diagnostic test is being conducted during power up

ALRT

Orange

Off

Device has passed diagnostic tests and is working properly

PWR

Green

On

Power is on

PWR

Green

Blinking (slow)

New software is being downloaded

PWR

Green

Blinking (fast)

Self diagnostic test or software loading is being conducted during power up

PWR

Green

Off

Power is off

LINK

Orange

On

LAN connection established

LINK

Orange

Off

No LAN connection detected

ISDN

Green

On

Device is connected to a working ISDN line

ISDN

Green

Blinking

An error condition has been detected on the ISDN line

ISDN

Green

Off

ISDN condition not present

CH1

Yellow

On

ISDN call is in progress on channel 1

CH1

Yellow

Blinking

ISDN call is in dialing state on channel 1

CH1

Yellow

Off

ISDN call is not in progress on channel 1

CH2

Yellow

On

ISDN call is in progress on channel 2

CH2

Yellow

Blinking

ISDN call is in dialing state on channel 2

CH2

Yellow

Off

ISDN call is not in progress on channel 2

VOICE

Yellow

On

Voice call in progress

VOICE

Yellow

Blinking

Handset is off hook, dial tone present; call has been dialed and is ringing out, or an incoming call is being received

VOICE

Yellow

Off

Voice call not in progress

WAN

Yellow

On

WAN connection is valid and can pass data

WAN

Yellow

Blinking

Error detected on the WAN port

Note:

ISDN utilization LEDs provide an indication of ISDN utilization as a percentage of network loading. If ISDN utilization is consistently indicated at 100%, the device may be configured to filter some of the data, or an additional link may be required.