Multi-service access and aggregation node MA4000-PX allows to construct access networks based on GPON technology. The OLT allows an operator to construct scalable, failsafe “last mile” networks, ensuring high safety requirements in either urban or rural areas. MA4000-PX controls customer stations, traffic switching and transport network access.

A core element of the MA4000-PX is a scalable Ethernet L2+ switch (PP4X) that interacts with optical interface access modules PLC8 to connect customer devices via GPON technology.

The modules are installed in a standard 19″ 9U Eurocase. The 9U case has two slots for PP4X switch circuit control modules installation and 16 slots for linear PCL8 modules (GPON). A single system can have one or two PP4X central switch control modules.

Types of modules

PP4X: switching and control module
PLC8: 8 x GPON 2,5Gbps interface module
The quantity of interface modules: up to 16
Bus type and performance: 34х10GBASE-KX (XAUI), 680Gbps

Management and monitoring

Single management interface via CLI (Telnet, SSH, serial), SNMP
Processing of configuration data of all modules
Support for RADIUS, TACACS+

Product Description

OLT LTP-4X REV.C

Features

Aggregation switch functions with the following capabilities:

MAC address learning /aging
MAC address limiting
Processing of unknown МАС addresses
Broadband traffic limiting
Multicast traffic limiting
Number of multicast groups – 1024
Support for Q-in-Q in compliance IEEE 802.1ad
STP, RSTP, MSTP
Static routing
Port isolation, port isolation within the same VLAN
LAG and LACP, including interfaces of PP4X module
Port mirroring, VLAN mirroring
QoS: 802.1p, DSCP, WRR
IGMP/MLD Fast Leave
IGMP/MLD Proxy
IGMP/MLD Snooping
IGMP/MLD Querier
DHCPv4 Snooping
IPv4 Source guard
DHCPv4/DHCPv6 Relay Agent (Option 82, IP helper)
LLDP (802.1ab)
PPPoE Intermediate agent
Utilization by ONT services

Management and switching hardware board PP4X

The module of the central switch, PP4X, is a main platform element performing management and diagnostics of periphery modules, switching and aggregation of traffic.

The installation of two modules improves fault-tolerance due to switch redundancy and increases the system’s bandwidth capacity due to distribution of data streams between modules via stacking.

The module interaction is realized via two 10 Gbps interfaces distributing the load and ensuring redundancy.

Network interfaces

External connections:
- 4 x 10GBase-X(SFP+)/1000Base-X (SFP)
- 2 x 10/100/1000Base-T/1000Base-X (SFP)
Interface modules connection:
- 16 x 10G XAUI (10GBASE-KX4)
Central switch module connection:
- 2 x 10G XAUI (10GBASE-KX4)
Optical transceivers – 1G SFP, 10G SFP+ (Copper Direct Attach connection support)
Console port – RS-232

Switch

Ethernet switch – Marvell Packet Processor
Bandwidth – 480 Gbps
MAC address table: 32K entries
Support for up to 4К VLANs according to 802.1Q
Quality of Service
8 priority output queues per port
Quantity of ports – 24 ports, up to 10 Gbps per port

Port modes

Duplex/half-duplex mode, 10/100/1000 Mbps for electric ports
Duplex mode, 1/10 Gbps for optical ports

Monitoring and management

Interaction with external control and monitoring systems via Telnet, SSH, SNMP
Access rights limiting: by password, IP address, MAC address, privilege level
Support for RADIUS, TACACS+
Collection of alarm data on interface modules and the whole device. Generation of notification and alarm messages for monitoring systems.
Device temperature control, fan system management
Software update management for all device modules

GPON interfaces module PLC8

PLC8 module is intended to provide broadband access to the data network via GPON technology with data rate up to 2.5 Gbps downlink. The module is designed for a last mile connection and allows connecting up to 512 end users (ONT). The support of RSSI provides measuring of optical line parameters.

Network interfaces

Connection with the central switching module:
- 2 х 10G XAUI (10GBASE-KX4)
PON:
- 8 ports of 2.5/1.25 Gbps GPON (SFP)

Port modes

Duplex/half-duplex 10/100/1000 Mbps for electric ports
Duplex mode 1/10 Gbps for optic ports

CPU

Marvell, ARMv5TE, 800МHz, 1 core
DDR2 SDRAM 256 МB 320 МHz RAM
2х32 МB SPI Flash

Switch

Processor – Marvell Packet Processor
Switch bandwidth – 128 Gbps
MAC addresses – 16К entries
Support for up to 4К VLANs according to 802.1Q
Quality of Service

GPON

Transmission media – optic cable SMF – 9/125, G.652
Split ratio – up to 1:64
Received Signal Strength Indication (RSSI)
DDM support (parameters output to CLI):
- Digital RSSI
- Module Temperature
- Supply Voltage
- Laser Bias Current
- Tx Optical Power Output