User's Manual

SNA 4600

Standalone ARM Network Adaptor

Configuration

guide

Issued by Network Products Marketing Department

GSNA4600 - 09/1999

p. 8 of 11

Transmission Capability

Tributaries effective bit rate versus the network bit rate:

Network bit rate (Kbps) Tributaries effective bit rate (Kbps)

34,368 (E3) 29,131

44,736 (DS3) 37,967

139,264 (E4) 118,727

155,520 (STM-1) 128,653

Multiple Service Capability

ATM Multiplexing of MPEG-2 TS and G703 data streams

up to 7 TS for single UNI throughput

up to 2x3 TS for dual UNI throughput

Signalling Capability (option)

Full ATM UNI broadband switched services

(Supports SVC, PVC)

Complies with UNI 3.1

ATM Adaptation Layer

ATM Adaptation Layer type 1 (AAL1)

Compliant with ITU-T recommendation I.363

Compliant with ITU-T recommendation J.82

Bit errors and cell losses correction mechanism RS (128,124) x 47

Adaptive source clock frequency recovery mechanism

ATM Adaptation Layer type 5 (AAL5)

Compliant with ITU-T recommendation I.363

Compliant with ITU-T recommendation J.82

CRC based error detection mechanism

Adaptive source clock frequency recovery mechanism

Management

Services Connections management:

complies with UNI 3.1 ATM Forum protocol

controlled either from front panel keypad (in shortform mode) or from a

remote manager (in explicit mode)

100 port descriptors address book downloadable in NVRAM

SNA 4600 control and monitoring:

operated either from front panel keypad or from a remote manager

Alarm interfaces:

One dry contact alarming on rear panel (configurable)

(9-pin SubD connector)