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MULTIBAND PLUS T1/PRI

ASCEND COMMUNICATIONS, INC.

MULTIBAND PLUS T1/PRI

Card Type

T1 CSU

Chip Set

Unidentified

I/O Options

AC power connector, power switch, serial port,

T1 network interface via RJ-48 connector (2), Alarm relay terminal block, palmtop port via RJ-12 connector (2), data port via 44-pin connector (4)

Wiring Type

RJ-48 shielded twisted pair

T1 Transfer Rate

1.544Mbps

T1 Protocol

AMI, B8ZS

Frame type

D4, ESF

Data Bus

External

CONNECTIONS

Function

Label

Function

Label

AC power connector

CN1

44-pin DTE port 3

CN7

Serial port

CN2

44-pin DTE port 4

CN8

44-pin DTE port 1

CN3

RJ-48 network interface - line 1

CN9

RJ-12 palmtop connector

CN4

RJ-48 network interface - line 2

CN10

RJ-12 palmtop connector

CN5

Alarm relay terminal block

CN11

44-pin DTE port 2

CN6

Power

SW1

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

PW

Green

On

Power is on

PW

Green

Off

Power is off

ER

Red

On

Self test in progress

ER

Red

Blinking

Device is not functional due to fault or error

ER

Red

Off

Device is functional

P1

Green

On

Channel 1 is active

P1

Green

Blinking

CSU is in diagnostic mode. BERT, auto-BERT, remote loopback, or local loopback test in progress

P1

Green

Off

Channel 1 is inactive

P2

Green

On

Channel 2 is active

P2

Green

Blinking

CSU is in diagnostic mode. BERT, auto-BERT, remote loopback, or local loopback test in progress

P2

Green

Off

Channel 2 is inactive

P3

Green

On

Channel 3 is active

P3

Green

Blinking

CSU is in diagnostic mode. BERT, auto-BERT, remote loopback, or local loopback test in progress

P3

Green

Off

Channel 3 is inactive

P4

Green

On

Channel 4 is active

P4

Green

Blinking

CSU is in diagnostic mode. BERT, auto-BERT, remote loopback, or local loopback test in progress

P4

Green

Off

Channel 4 is inactive

LS1

Red

On

Loss of synchronization detected on network line 1

LS1

Red

Off

Loss of synchronization not detected on network line 1

RA1

Red

On

Improper receive signal or no signal detected on network line 1

RA1

Red

Off

Improper receive signal or no signal detected on network line 1

1S1

Yellow

On

Blue alarm condition detected. All ones (AIS) received from network

1S1

Yellow

Off

Blue alarm condition not detected on network line 1

RL1

Yellow

On

Device in line 1 loopback diagnostic mode

RL1

Yellow

Off

Device not in line 1 loopback diagnostic mode

LL1

Unidentified

Off

Not used

LA1

Green

On

Link is active on line 1

LA1

Green

Blinking

Device unable to establish line 1 communications, possible configuration error

LA1

Green

Off

Link is inactive

LS2

Red

On

Loss of synchronization detected on network line 2

LS2

Red

Off

Loss of synchronization not detected on network line 2

RA2

Red

On

Improper receive signal or no signal detected on network line 2

RA2

Red

Off

Improper receive signal or no signal detected on network line 2

1S2

Yellow

On

Blue alarm condition detected. All ones (AIS) received from network

1S2

Yellow

Off

Blue alarm condition not detected on network line 2

RL2

Yellow

On

Device in line 2 loopback diagnostic mode

RL2

Yellow

Off

Device not in line 2 loopback diagnostic mode

LL2

Unidentified

Off

Not used

LA2

Green

On

Link is active on line 2

LA2

Green

Blinking

Device unable to establish line 2 communications, possible configuration error

LA2

Green

Off

Link is inactive. Line 2 disabled