Iskratel Lumia T6

Build Scalable Optical Access Capacity Around the Deployment

Iskratel Lumia T6 modular OLT for GPON and XGS-PON, with blade-based configurations, up to 80 Combo PON ports and advanced uplinks.

The Challenge and the Product Solution

The Challenge

Build Scalable Optical Access Capacity Around the Deployment

Service providers need enough access ports and uplink bandwidth, but they also need configuration choices for resilience, multiple PON generations and changing access density. A fixed configuration may not fit every project.

The Product Solution

The Lumia T6 is a 6-slot modular OLT with high-capacity switching and configurable subscriber blades. The documented configurations support up to 80 Combo PON interfaces or higher-uplink-capacity options depending on redundancy and installed blades.

Technical suitability depends on the access topology, endpoint requirements and the supplied manufacturer specification. Review the optical and service design before deployment.

Translate documented technical features into deployment decisions for the teams selecting, installing and operating the optical network.

For Capacity Planning

Select subscriber and switching blades against the target Combo PON density rather than assuming every maximum figure applies at once.

For High-Availability Design

Compare single and duplicated central switching configurations alongside available subscriber ports.

For Network Evolution

Review higher-speed subscriber-blade options and uplink-extension configurations shown in the manufacturer datasheet.

Interface / Function Documented capability
Maximum Combo PON ports 80 single-central / 64 redundant-central / 48 with uplink-extension variant
Maximum GPON users 10,240 at 1:128 in 80-port configuration
Maximum XGS-PON users 20,480 at 1:256 in 80-port configuration
Uplink capacity 302 / 604 / 1,404 Gbps depending on configuration
Supported access GPON, XGS-PON, Combo PON, listed higher-speed PON blade options
Chassis 6 slots, 5U
Subscriber blades Up to 5 C16T blades with one central blade
Parameter Specification
Chassis 6 slots, 5U
Subscriber blades Up to 5 C16T blades with one central blade
Maximum Combo PON ports 80 single-central / 64 redundant-central / 48 with uplink-extension variant
Maximum GPON users 10,240 at 1:128 in 80-port configuration
Maximum XGS-PON users 20,480 at 1:256 in 80-port configuration
Uplink capacity 302 / 604 / 1,404 Gbps depending on configuration
Supported access GPON, XGS-PON, Combo PON, listed higher-speed PON blade options
Operating temperature –40°C to +65°C
Redundancy Central-switch dual-unit configuration available
Optical split ratios GPON 1:128 / XGS-PON 1:256 under stated optical conditions

These pages reproduce capabilities from the supplied datasheets. Check product availability, revision, optical budget, OLT/ONT interoperability and software/feature licensing for each project.


Engineering check:

Port and uplink maxima refer to different supported card/redundancy combinations; they are not guaranteed simultaneously in one configuration.

Typical considerations and use cases described in the source. Final selection remains subject to project requirements.

  • High-density and evolving fiber access networks
  • Broadband operator central-office deployments
  • Mixed GPON and XGS-PON network architectures
  • OLT deployments requiring selectable switching redundancy

In a PON deployment, an OLT serves the optical access network through the optical distribution infrastructure. Choose subscriber blades, available uplink connectivity, optical split and any redundancy based on the actual configuration.

Illustrative PON network only. This diagram does not establish compatibility of specific OLT and ONT models, optical budget or performance.

Port and uplink maxima refer to different supported card/redundancy combinations; they are not guaranteed simultaneously in one configuration.

Build around deployment density

Choose blade configurations to balance port count, central-switch redundancy and uplink capacity.

Prepare for multi-generation access

The document describes GPON, XGS-PON and 25G/50G/100GPON subscriber blade options.

Scale uplink connectivity

A dedicated uplink extension card increases listed uplink capacity in the corresponding configuration.

Support operational evolution

Traditional and virtualised/disaggregated operation are part of the platform positioning.

6-Slot Shelf

Up to 80 Combo Ports*

GPON / XGS-PON

Modular Uplinks

Frequently Asked Questions