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UT620F

ALPHA TELECOM, INC.

UT620F

Card Type

ISDN NT1

Chip Set

Unidentified

I/O Options

Power, Terminal S/T interface via RJ-45 (2),Network U interface via RJ-45

T1 Transfer Rate

1.44Mbps

Frame Type

AMI, 2B1Q

Data Bus

External

CONNECTIONS

Function

Label

Function

Label

ISDN U interface (RJ-45)

CN1

ISDN S/T interface (RJ-45)

CN3

ISDN S/T interface (RJ-45)

CN2

Power

CN4

USER CONFIGURABLE SETTINGS

Function

Label

Position

Extended passive bus

SW3

Off

 

Short passive bus

SW3

On

 

Local power supply set to AD62010

SW4

On

 

Local power supply set to SP62029

SW4

Off

S/T TERMINATION SELECTION

Setting

SW1/1

SW1/2

JP3

JP4

100Ohm resistance enabled

On

On

Open

Open

 

50Ohm resistance enabled

On

On

Closed

Closed

 

Resistance disabled

Off

Off

N/A

N/A

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

PWR

Green

On

Power is on

PWR

Green

Off

Power is off

S/T&U

Red

On

U interface inactive

S/T&U

Red

Blinking (fast)

U interface connection is being established

S/T&U

Red

Blinking (slow)

U interface active; S/T interface inactive

S/T&U

Red

Off

U & S/T interface active

ULBK

Yellow

On

Central office is conducting a loopback test on device

ULBK

Yellow

Off

Central office is not conducting a loopback test on device