Reference our Specs

T3 (44.736 Mbps) with PLCP per TA-TY-000773

OC-3 /STM (155.520 Mbps) with SONET framing per ANSI T1.105

E3 (34.368 Mbps) per ITU-T Rec. G.804

SDH framing per ITU-T Rec. G.708

OC-12/STM-4 (622.08 Mbps), complies with SONET standards

Bellcore GR-253-CORE, ANSI T1.105; complies with SDH standards ITU-T G.708 and G.709; ITU-T G.957 and G.958

Up to 16 programmable queues for class-based or VP/VC-based queuing

Queues programmable by maximum queue depth, minimum service bandwidth, maximum service bandwidth, cell loss priority thresholds (CLP), EFCI thresholds

ForeSight closed-loop, rate-based congestion management

Fully-compliant ABR VS/VD implementation per ATM Forum Specification V.4.0

Explicit rate (ER) marking

EFCI marking

Conformance to ATM Forum Specification V.3.1:

T3/DS-3 UNI (44.736 Mbps)

OC-3 UNI (155.520 Mbps) SONET

OC-12 UNI (622.08 Mbps) SONET

E3 UNI (34.368 Mbps)

STM-1 UNI (155.520 Mbps) SDH

STM-4 UNI (622.08 Mbps) SDH

2 slots reserved for redundant control and switch modules

1 slot reserved for Alarm Status Monitor (ASM) module

12 slots for general-purpose function modules

Switch capacity of up to 20 Gbps

12 800 Mbps switch ports that can support up to OC-12 cell rate

Arbiter establishes up to 20 million cells per second

All components are optionally redundant to 100 percent system redundancy, including the control processor, crosspoint switch, network interfaces, service interfaces, critical backplane signals, power supplies, power modules, and cooling fans

Interfacing to network management is provided by SNMP connection via the following: 1 802.3 AUI interface for local connection to StrataView Plus 2 asynchronous control/printer ports

Major node alarm, minor node alarm, alarm cutoff and history indicators

Visual and audible (major and minor) relay closures provided for connection to central office alarm system, including power supply status indicators and LAN activity indicator

Each interface module has a minimum of three visual indicators: Active (green), Standby (yellow), and Fail (red)

Stratum 3 clock per ATT PUB 62411

Software programmable source: internal clock, transmission line, auxiliary port to an external clock source

-48 VDC or 208/240 VAC input

1400W dissipation (max)

22.75 x 17.72 x 27 in. (57.8 x 45 x 68.6 cm)

19 in. (48.3 cm) rack mountable