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61200385L1-5A

Issue 1

3

I

NTERFACES

Write security: Config; Read security: Status
Displays either the type of module currently installed in 
the slot or the type of module you plan to install in the 
slot. If an Total Access 850 DSX-1 Module is installed, 
the 

T

YPE

 field automatically defaults to DSX card. 

C

ONFIG

Displays additional configuration menus for the select-
ed module. To access the submenus for this item, use 
the arrow keys to scroll to the 

C

ONFIG

 column for the 

module you want to edit, then press 

Enter

. For detailed 

information on each submenu item, see Total Access 850 
DSX-1 Module Config Options 
on page 3.

Total Access 850 DSX-1 Module Config Options

The following sections describe the menus options: 

C

ONFIG

 

AND

 T

EST

C

ONFIG

Write security: Config; Read security: Status
Allows users to provision the following options for 
the DSX-1 interface.

F

ORMAT

This sets the frame format for the T1 interface. The 
setting must match the frame format of the circuit to 
which the interface is connected. Choices are ESF 
and SF. Extended Superframe (ESF) provides a non-
disruptive means of full-time monitoring on the fa-
cility datalink (FDL). Default is ESF. 
Configuration Path: INTERFACES (DSX-1) > CON-
FIG > FORMAT) 

L

INE

 C

ODE

This sets the line code for the T1 interface. The set-
ting must match the line code of the circuit to which 
the interface is connected. Choices are B8ZS (bipolar 
with 8-zero substitution) and AMI (alternate mark 
inversion). Default is B8ZS.
Configuration Path: INTERFACES (DSX-1) > CON-
FIG > LINE CODE

T

EST

Write security: Voice; Read security: Status
Initiates different types of tests and displays test re-
sults. This menu includes the following submenu: 

L

OC

 LB

L

OC

 LB 

Write security: 

V

OICE

; Read security: 

S

TATUS

Causes line loopback (LB) on the near-end (local) 
port. The following options are available:

L

INE

 - metallic loopback

P

AYLD

 - payload loopback; regenerates framing 

and clocking

N

ONE

  - default setting which means no loopback 

R

UN

 S

ELF

-T

EST

To run a self-test on the module, go to the 

S

YSTEM

 U

TILITY

 

menu and select 

R

UN

 S

ELF

-

TEST

. This menu allows you 

to run individual self-tests on all modules.

5. SPECIFICATIONS

Each port of the Total Access 850 DSX-1 Module con-
forms to the following specifications:

If a module is installed, 

I

NTERFACES

 auto-

matically displays the name of the 
installed module. To change this name, 
remove the installed module, set 

I

NTER

-

FACES

 to 

E

MPTY

 and then select another 

module.

SF is equivalent to the D4 frame format.

Contact ADTRAN Technical Support to 
enable this feature.

When activated, these test command will 
temporarily disrupt service.

Capacity

T1: 1 to 24 DS0s

Framing 

ESF and SF(D4)

Line Build Out

DSX-1:
0 to 655 feet in 133-foot increments

Line Coding

AMI (alternate mark inversion) or 
B8ZS (bipolar 8 zero substitution)

Line Rate

1.544 Mbps, + 75 bps

Relative 
Humidity

Up to 95% noncondensing

Terminating 
Impedance

100 ohms + 5%

Temperature

Operate at -0

o

C to +50

o

C

Store at -40

o

C to +70

o

C

Tests

Self-test, local line, local payload

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