The high-density Ethernet (HD-ENET) module inserts into either one of the two expansion slots in the modular W1052 and W1063 platforms. Using two modules, you can configure the system with up to 18 Ethernet ports in only 1U of rack space (including the two Ethernet ports on the base W1052 system).

The module supports flexible encapsulation of data services into SDH tunnels using generic framing procedure (GFP) and virtual concatenation (VCAT).

With the HD-ENET module, you can configure the system to connect Ethernet traffic flows at the port and VLAN levels to any of up to 16 VCAT groups (VCGs) in the module. Each VCAT group has access to the full SDH trunk capacity of the W10-series system and supports configuration at the VC-3 and VC-12 levels. With two modules, you can configure up to 34 VCGs for the provisioning of Ethernet services in 64 kbit/s increments up to full rate.

The advanced Layer 2 functions in the module permit the connection of selected VLAN flows from any port to any provisioned VCG. Each VLAN flow may consist of a single VLAN or a range of VLAN IDs. As shown in the figure, the module supports dedicated connections into a VCG (that is, a single flow into one VCG) and shared connections (multiple flows into one VCG). For shared connections, QoS mechanisms that include rate limiting and packet scheduling with multiple priority levels ensure fair access to the shared VCG capacity.

The port density and expansion capability of the HD-ENET module makes the module ideal for use at a service provider point-of-presence (POP) to access and concentrate Ethernet traffic from multiple sites in an FrWay network. You can also use the module for sites that require a large number of dedicated customer access ports and leased lines.

The HD-ENET module is easily configured and managed through a simple Web-based GUI interface or the scalable OnSight NMS.

Features
>High port density
-8 Ethernet 10/100BASE-TX ports
>VCAT support
-16 groups (VCGs) per module
-VC-12-Xv
- VC-3-Xv
>Packet Intelligence
-Rate Limiting (64 kbps increments)
-VLAN
-Service Provider Tags (Q-in-Q)
-QoS
-Performance Statistics
>Flexible Mappings
-Port to VCG
-VLAN to VCG
>Low-power

-Less than 9 watts
-Natural convection cooling (no fans)

Benefits
>Ethernet connectivity across SDH network
>Modular Ethernet capacity upgrades
>Simple management and operation
>Reduced CAPEX and OPEX
>Simplified network planning

Applications
>Ethernet leased lines for LAN interconnection
>Broadband Internet access
>Triple-play services (voice, video or data)
>IP-centric 3G mobile networks
>IP DSLAM, CMTS, WiFi/WiMAX traffic backhaul
>Ethernet-based SCADA systems
>Third-party equipment management traffic backhaul

Specifications
Client Interfaces
Ethernet PHY: 10/100BASE-TX (IEEE 802.3u), RJ-45
Ethernet MAC: IEEE 802.3
Flow Control: 802.3x
GFP and VCAT Support
16 VCAT groups (VCGs) per module
VC-12-Xv and VC-3-Xv
Differential delay: Up to 128 msec
LCAS: ITU-T G. 7042
Packet encapsulation: GFP (ITU-T G. 7041)

Packet Intelligence
VLAN: IEEE 802.1Q and Q-in-Q
Service provider VLAN (SP-VLAN) using S-Tag: 802.1ad
Tagging operations: C-Tag and S-Tag add/strip
Rate Limiting: Sustained and peak rates with 64 kbps granularity per flow
QoS: 4 levels with strict priority, WFQ and WRED support

Performance statistics
Ethernet Service Connections
One-way, two-way, drop-and-continue and multicast connections
Single Ethernet flow (port, VLAN and SP-VLAN) to VCG
Multiple Ethernet flows to shared VCG
Aggregation of Ethernet flows from multiple VCGs to a single Ethernet port

Operations
Status and Alarm LEDs
In-service insertion and removal (hot swapping)
Loopback: Terminal at port level
Physical Design
Dimensions: 38H x 101W x 167D mm
Weight: 0.2 kg (0.5 lbs)

Front access
Mounting: FrWay W10-series expansion slot
Power
Consumption: 9 W maximum