...because we can't all be on the bleeding edge...





NX1

ASTROCOM CORPORATION

NX1

Card Type

T1 CSU/DSU

Chipset

Unidentified

T1 Transfer Rate

56Kbps x 24/64Kbps x 24

T1 Protocol

AMI, B8ZS

Frame Type

D4, SF, ESF

Data Bus

Serial

CONNECTIONS

Function

Label

Function

Label

LEFT button

BT1

T1 line out (Network Interface)

CN3

ENTER button

BT2

T1 line in (Terminal Interface)

CN4

RIGHT button

BT3

Serial control port

CN5

AC power in

CN1

LCD display

LCD

V.35, RS-422, or RS-449 serial data port

CN2

Power switch

SW1

Note:The type of serial port CN2 is determined by which daughtercard is installed in the unit. No further information about the daughtercard is available.

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

RED

Unidentified

On

T1 signal has been out of frame for more than 2.5 seconds

RED

Unidentified

Off

T1 signal has not been out of frame for more than 2.5 seconds

YEL

Unidentified

On

Yellow alarm signal detected

YEL

Unidentified

Off

Yellow alarm signal not detected

AIS

Unidentified

On

All Ones Signal detected

AIS

Unidentified

Off

All Ones Signal not detected

LOS

Unidentified

On

Loss of Signal condition detected for more than 150ms

LOS

Unidentified

Off

Loss of Signal condition not detected for more than 150ms

SES

Unidentified

On

Large quantity of errors detected in the last second

SES

Unidentified

Off

Small quantity of errors detected in the last second

DIAGNOSTIC LED(S) (CON'T)

LED

Color

Status

Condition

T1A

Unidentified

On

Valid signal detected on T1 network interface

T1A

Unidentified

Off

Valid signal not detected on T1 network interface

DTEA

Unidentified

On

Valid signal detected at DTE

DTEA

Unidentified

Off

Valid signal not detected at DTE

DS1A

Unidentified

On

Valid signal detected on T1 terminal interface

DS1A

Unidentified

Off

Valid signal not detected on T1 terminal interface

T1B

Unidentified

On

T1 network interface in test mode

T1B

Unidentified

Off

T1 network interface not in test mode

DTEB

Unidentified

On

DTE in test mode

DTEB

Unidentified

Off

DTE not in test mode

DS1B

Unidentified

On

T1 terminal interface in test mode

DS1B

Unidentified

Off

T1 terminal interface not in test mode