ADTRAN Total Access Octal DS1 IMA Specification Sheet

Contents

product specifications

ADTRAN Total Access Octal DS1 IMA Specification Sheet Manual pdf 1 page image

The Total Access Octal DS1 IMA Access Module is designed to interfacewith the Total Access DS3 Cell Switch Module(CSM). Each of the eight portsprovide DS1 interfaces. These can be used to connect the shelf to anupstream ATM element or to a DS1 IMA unit of a subtended shelf.The eight (8) ATM DS1s correspond to the eight port interfaces on theline card. The Octal DS1 IMA automatically swaps from the online to theoffline multiplexer, if one fails or is physically removed. Each of the eightports have a single balanced twisted pair for each direction of transmission.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 andsupports optional autoprovisioning through the SCU.The module detects CRC errors, Bipolar Violations, and frame bit errorsin the loop side receiver. These are used to calculate Errored Seconds,Severely Errored Seconds and Unavailable Seconds in accordance withANSI T1.231-1997.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.P R O D U C T F E A T U R E S Software configurable via menuaccess or SNMP Supports from one to eight DS1line interfaces Supports standard T1 MIB 1406for alarm states Supports extended NUB protocolfor NTU management Supports up to four IMA groups DS1 or DSX-1 signalOCTAL DS1 IMAT O T A L A C C E S S ® D S L A MO C TA L D S 1 I M A A C C E S S M O D U L E

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