ADTRAN

TSU ESP

Card Type

T1 DSU/CSU with Embedded SNMP

Chip Set

Unidentified

I/O Options

V.35 DTE port, test jack - in, test jack - out, test jack - monitor ,

RJ-48 control ports (2), T1 network interface via RJ-48, power

LAN interface module, DBU interface module

T1 Data Rate

1.544Mbps

ISDN Rate

128Kbps

Line Coding

AMI, B8ZS

Framing

D4, ESF

Data Bus

External

CONNECTIONS

Function

Label

Function

Label

25-pin DBU interface

CN1

Control port - chain in (RJ-48)

CN7

10 BaseT interface (RJ-45)

CN2

Control port - chain out (RJ-48)

CN8

T1 network port (RJ-48)

CN3

V.35 DTE port

CN9

Test jack - in

CN4

Power

CN10

Test jack - out

CN5

Power switch

SW1

Test jack - monitor

CN6

   

Note:

The DBU interface module (CN1) may feature a switched 56K interface, V.34 interface, or ISDN interface. The optional LAN interface module (CN2) provides a 10BaseT Ethernet connection

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

RS

Unidentified

On

RTS signal high

RS

Unidentified

Off

RTS signal low

CS

Unidentified

On

CTS signal high

CS

Unidentified

Off

CTS signal low

TD

Unidentified

On

Data is being transmitting from DTE

TD

Unidentified

Off

Data is not being transmitting from DTE

RD

Unidentified

On

Data is being received from network

RD

Unidentified

Off

Data is not being received from network

ERR

Unidentified

On

Error has been detected on network

ERR

Unidentified

Off

Error has not been detected on network

ALM

Unidentified

On

Open loop, loss of frame synchronization, dial backup mode, or problem with dial backup line alarm condition detected on network

ALM

Unidentified

Off

Open loop, loss of frame synchronization, dial backup mode, or problem with dial backup line alarm condition not detected on network

TST

Unidentified

On

Device is conducting a test

TST

Unidentified

Off

Device is not conducting a test