ADTRAN Switch Octal DS1 IMA User Manual

OCTAL DS1 IMA  
®
T O TA L A C C E S S DSLAM  
OCTAL DS1 IMA ACCESS MODULE  
The Total Access Octal DS1 IMA Access Module is designed to interface  
with the Total Access DS3 Cell Switch Module(CSM). Each of the eight ports  
provide DS1 interfaces. These can be used to connect the shelf to an  
upstream ATM element or to a DS1 IMA unit of a subtended shelf.  
The eight (8) ATM DS1s correspond to the eight port interfaces on the  
line card. The Octal DS1 IMA automatically swaps from the online to the  
offline multiplexer, if one fails or is physically removed. Each of the eight  
ports have a single balanced twisted pair for each direction of transmission.  
P R O D U C T F E A T U R E S  
I Software configurable via menu  
User access to the Octal DS1 IMA Module is through the SCU via the sys-  
tem bus of the Total Access DSLAM backplane. The unit retains provision-  
ing data in a nonvolatile memory device for recovery after a power loss and  
supports optional autoprovisioning through the SCU.  
access or SNMP  
I Supports from one to eight DS1  
line interfaces  
The module detects CRC errors, Bipolar Violations, and frame bit errors  
in the loop side receiver. These are used to calculate Errored Seconds,  
Severely Errored Seconds and Unavailable Seconds in accordance with  
ANSI T1.231-1997.  
I Supports standard T1 MIB 1406  
for alarm states  
I Supports extended NUB protocol  
for NTU management  
The Octal DS1 IMA card is capable of both short and long haul signals.  
The interface can be configured for the standard DS1 signal (0 to 22.5 db)  
or for DSX-1 measured from 0 to 655 feet.  
I Supports up to four IMA groups  
I DS1 or DSX-1 signal  
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