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T-SMART MODELS 77111 AND 77961 (VER. 1)

ADC KENTROX

T-SMART MODELS 77111 AND 77961 (VER. 1)

Card Type

T1 CSU

Chipset

Unidentified

T1 Transfer Rate

1.544Mbps

T1 Protocol

AMI, B8ZS

Frame Type

SF, ESF

Data Bus

Serial

CONNECTIONS

Function

Label

Function

Label

Monitor receive equalization in jack

J1

Monitor transmit monitor jack

J8

Monitor receive network out jack

J2

DC power in/alarm signal out (see pinout below

P1

Serial control port

J3

T1 line out (network interface)

P2

T1 line in (equipment interface)

J4

Ground

P3

Monitor receive monitor jack

J5

Local loopback test switch

S1

Monitor transmit network in jack

J6

Alarm cut-off switch

S2

Monitor transmit equalization out jack

J7

Code generator switch

S3

P1 PINOUT

Function

Screw

Function

Screw

+20V to +56V DC power in

1

Chassis ground

4

Not used

2

Alarm relay common

5

-20V to -56V DC power in

3

Alarm relay normally open contact

6

Note:Do not use both P1 screw 4 and P3.

USER CONFIGURABLE SETTINGS

Setting

Label

Position

Power drawn from SC1 terminals

JB1

LOCAL

 

Power drawn from T1 line

JB1

LINE

Simplex loop enabled

JP1

Pins 1 & 2 closed

 

Simplex loop disabled

JP1

Pins 2 & 3 closed

Alarm Indication Signal transmit delay set to 5 mS

S5/4

Off

 

Alarm Indication Signal transmit delay set to 1 second

S5/4

On

Control port uses 8 data bits

S5/7

Off

 

Control port uses 7 data bits

S5/7

On

Control port uses 1 stop bit

S5/8

Off

 

Control port uses 2 stop bits

S5/8

On

Note:Jumper block JB1 has the words LINE and LOCAL printed on the side. The word indicated should face towards the user.

CODE GENERATOR OPERATION

Setting

S4

Standard line loopback

Position 0

Kentrox line loopback

Position 1

Standard test loopback

Position 2

Kentrox test loopback

Position 3

Standard local loopback

Position 4

Kentrox local loopback

Position 5

Standard reset loopback

Position 6

Kentrox reset loopback

Position 7

Quasi-random test pattern

Position 8

1 in 8 test pattern

Position 9

Note:To generate the code indicated, switch S4 must be pushed for one-half second. To stop generating the code, push S4 again.

CONTROL PORT SPEED SELECTION

Setting

S5/1

S5/2

S5/3

 

19.2Kbps

On

On

On

9600bps

Off

On

On

 

4800bps

On

Off

On

 

2400bps

Off

Off

On

 

1200bps

On

On

Off

 

600bps

Off

On

Off

 

300bps

On

Off

Off

LINE BUILD OUT SELECTION

Setting

S6

S7

0 dB

Off

Off

-7.5 dB

On

Off

-15 dB

Off

On

-22.5 dB

On

On

CONTROL PORT PARITY SELECTION

Setting

S5/5

S5/6

No parity

On

N/A

 

Odd parity

Off

On

 

Even parity

Off

Off

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

LOC

Yellow

On

Local loopback test in progress

LOC

Yellow

Off

Local loopback test not in progress

ACO

Green

On

Alarm condition exists and S2 has been pressed

ACO

Green

Off

S2 has not been pressed or no alarm condition exists

SEND

Yellow

On

Test or loopback code being sent on indicated connection

SEND

Yellow

Off

Test or loopback code not being sent on indicated connection

TI

Red

On

Indicated alarm is on T1 equipment

TI

Red

Off

Indicated condition is not on T1 equipment

NI

Red

On

Indicated alarm is on T1 network interface

NI

Red

Off

Indicated condition is not on T1 network interface

DATA

Green

On

Valid data being received on indicated connection

DATA

Green

Off

No valid data being received on indicated connection

CODE

Yellow

On

Test or loopback code being received on indicated connection

CODE

Yellow

Off

Test or loopback code not being received on indicated connection

NET

Yellow

On

Network loopback test in progress

NET

Yellow

Off

Network loopback test not in progress

TA/FEL

Yellow

On

Remote CSU/DSU loopback test in progress or Set or Test code transmitted

TA/FEL

Yellow

Blinking

Remote CSU/DSU loopback test verified

TA/FEL

Yellow

Off

Remote CSU/DSU loopback test not in progress and Set or Test code not transmitted

PWR

Green

On

Power is on

PWR

Red

On

Self-test failed

PWR

N/A

Off

Power is off

EER

Red

On

Error rate on indicated connection exceeds threshold

EER

Red

Off

Error rate on indicated connection does not exceed threshold

OOF

Red

On

Signal is out of frame synchronization on indicated connection

OOF

Red

Off

Signal is not out of frame synchronization on indicated connection

DIAGNOSTIC LED(S) (CON'T)

LED

Color

Status

Condition

YEL

Yellow

On

Yellow Alarm condition detected on indicated connection

YEL

Yellow

Off

Yellow Alarm condition not detected on indicated connection

PD

Red

On

Fewer than 1 high bit in 8 detected on indicated connection

PD

Red

Off

More than 1 high bit in 8 detected on indicated connection

KA

Red

On

Keep-alive signal transmitted to T1 network interface

KA

Red

Off

Keep-alive signal not transmitted to T1 network interface

LOS

Red

On

Loss Of Signal condition detected on indicated connection

LOS

Red

Off

Loss Of Signal condition not detected on indicated connection

AIS

Red

On

Alarm Indication Signal condition detected for one second on indicated connection

AIS

Red

Off

Alarm Indication Signal condition not detected on indicated connection

BPV

Red

Blinking

Bipolar Variation detected on indicated connection (does not count B8ZS coding)

BPV

Red

Off

Bipolar Variation not detected on indicated connection