COMARRA

1
COMARRA
Telecom Transmission Solutions
VCL100MC-16 Next Generation STM-1/4/16 Platform
Updated Jan, 2007
2
VCL100MC-16

• Next generation STM-1/4/16 Platform
• Extensive Support for Data traffic
• FE GigE transport over VC12s/VC3s/VC4s
• Ethernet Switching/VLAN switching
• High Density Platform
• 567xE1 from a single chassis
• 8 STM-1 rings subtended from 1 STM-16 ADM
• 2 STM-4 rings subtended from 1 STM-16 ADM
• High capacity
• 7.5Gig fully non blocking XC at VC12 granularity
• Managed by the same NMS as other VCL100 platforms
  (VCL-NMS)

3
VCL100MC-16 Line Diagram
4
Common ModulesCross Connect and Controller Card
(XCC)

• XCC provides following functionalities
• Cross Connect matrix
• Fully non-blocking VC-12/VC-3/VC-4
• 7.5Gig (48x48 STM-1/OC-3 equivalent)
• 12.5Gig (80x80 STM-1/OC-3 equivalent) will be
  available in future
• Unidirectional, Bidirectional, Multicast and
  Broadcast
• Control Sub-system
• Architected to support dense cross connect
  configurations
• High processing capability to handle control
  plane loads in large DXC locations
• Can handle multiple subtended rings
• Timing Sub-system
• Timing can be derived from
• External inputs 2MHz or 2Mbps
• STM-1/4/16 or OC-3/12/48 and E1 Interfaces
• Internal Stratum-3 clock
• SSM support on S1 byte

5
Power Supply Module

• PSM takes - 48 V DC as input and provides - 5 V
  - 12 V DC to other subsystems. It has the
  following features
• - 36 V DC to - 60 V DC operation
• Reverse Polarity protection
• Automatic shutdown when power exceeds - 60 V or
  falls below -36 V
• No impact on operation for power interruption lt
  4ms
• Inrush limiting as per ETSI EN 300 132-2
• Redundancy of Power Supply
• Fuse protection in case of overloads/failures.

6
Multi-function Card (MFC)

• MFC provides the following
• NMS (10/100Base-Tx)
• Craft (RS-232)
• F1 user channel and Modem interface (RS232)
• Engineering OrderWire
• Audio-visual indication of alarms through Hooter
  and LEDs
• Seven External Alarm inputs and four Potential
  free contacts for alarm outputs

7
Traffic Modules

• Optical Cards
• 1xSTM-16
• SFP Based
• 2xSTM-4 / 8xSTM-1 card
• SFP Based. Individual STM-1/4 Ports can use
  different SFPs
• A contiguous block of four STM-1s can be
  upgraded to a single STM-4
• Mix and match STM-1 o/e up to one STM-16
• Data Cards
• 8x10/100BaseT Ethernet Transport Card ( STM-1
  backhaul)
• 4x10/100BaseT and 4 x 100BaseFX Ethernet
  Transport Card ( STM-1
• backhaul)
• 2xGigabit Ethernet Transport Card (STM8
  backhaul)
• 8xFE 2xGigE Ethernet Switching Card (STM4
  backhaul)
• 8xFE 2xGigE Ethernet Switching Card (STM8
  backhaul)
• PDH Cards
• 63xE1
• 3xE3/DS3

8
Hardware Features

• Higher Tributary Density
• VCL100MC-16 can drop up to 567xE1s from the
• chassis using 63xE1s tributary cards
• Subtended Rings
• VCL100MC-16 can function as a stand-alone
• cross connect subtending
• 8xSTM-1/OC-3 rings OR
• 2xSTM-4/OC-12 rings OR
• And
• 1xSTM-16/OC-48 rings
• All configurations with full VC-12/VT1.5
• cross connects possible between the rings

STM-1/OC-
3 Ring
2xSTM-4/OC-12 rings
9
VCL100MC-16 Bandwidth Distribution

• 7.5G XC
• Slot 6 and 11 are serial slots with maximum
  uplink of STM-8 each
• Slots 2-5 and 12-14 are parallel slots with
  maximum uplink of STM-1 each
• Total uplink from all tributary slots
  (slots 2-6 and slots 11-14) can be STM-16
• 12.5G XC (in future)
• Slots 2-5 and 13-14 can be serial slots with
  maximum uplink of STM-4 each and slots 6,11,12
  can be serial slots with maximum uplink of STM-8
  each
• All trib slots can be parallel slots with maximum
  uplink of STM-1 each
• Total uplink from all tributary (slots 2-6 and
  slots 11-14) can be 3 x STM-16

10
VCL100MC-16 Application Diagram
STM-1 Ring
STM-1 Ring
STM-4 Ring
VCL100MC-16
VCL100MC-16
STM-16
FE, GE
DSLAM Aggregation
VCL100MC-16
10/100 Base-T FE, GE
VCL100MC-16
VCL100MC-16
10/100 Mbps Ethernet
Drop up to 567 E1/DS1 for Wireline and Wireless
Backhaul

• Ethernet Services for Corporate Customers
• Ethernet Private Line
• Ethernet Virtual Private Line
• Ethernet LAN

11
Network Protection

• Support for all standard and emerging network
• protection features such as
• 11 MSP
• SNCP
• 2F MS-SPRing
• LCAS Protection for Ethernet
• RSTP Protection with Ethernet switching.

12
Equipment Protection

• VCL100MC-16 can offer redundancy to
• Power Supply Module (PSM)
• 11 hot standby and load-sharing modes
• Cross Connect (XCC)
• Control Sub-system
• Integrated within the Cross Connect (XCC)
• Optical Cards (Using MSP or SNCP)
• Timing sub-system Interfaces

13
Multi-service Support

• Supports FE GigE Interfaces and Layer 2
  switching
• Complies to the latest ITU-T Recommendations on
  transport of EoS
• G.7041 (GFP)
• G.7042 (LCAS)
• G.707 (Virtual Concatenation)
• 10/100BaseT interfaces can be mapped to both LO
  (VC-12/VT1.5) and HO (VC-3/STS-1 and
• VC-4/STS-3) virtual containers
• Gigabit Ethernet traffic is mapped to HO virtual
  containers
• Layer 2 Switching complies to IEEE 802 standards
• IEEE 802.1D (Bridging)
• IEEE 802.1Q (VLAN)
• Also IEEE 802.1p (priority)
• IEEE 802.3x (Flow Control)
• IEEE 802.1w (Rapid STP), 802.1s (Multiple STP)
• IEEE 802.3ad (link aggregation)
• IEEE 802.1ag (Connectivity fault management)
• MEF 9 MEF 14

14
Software Features

• Software intelligence is a key differentiator of
  VCL100MC-16 as also of all other VCL100 platforms
• Some advanced features which are typically
  associated with high-end DWDM platforms are
  provided on VCL100MC-16
• Auto topology discovery
• G.7714
• Customer Network Management
• Provision for the customer to self-provision
  circuits over his part of the VCL100 network
  using standard web browser interfaces
• Northbound SNMP ensures seamless integration with
  third party EMS

15
Management Connectivity

• VCL100MC-16 has a wide range of management
  options to effectively inter-operate with other
  vendor equipments in mixed deployment scenarios.
• DCC-R
• DCC-M
• F2/F3 bytes
• E1/VC12 management channel
• Dial-in using modem port
• Ethernet Management.
• DCC transparency
• DCC-R, DCC-M, F1, F2/F3 can be passed through,
  permitting third party nodes to co-exist in the
  same ring.

16
Sweet-Spots for VCL100MC-16

• Optimized for a variety of stand-alone ring
  Point-of-Interconnect (PoI) applications
• Consolidation of the PoI infrastructure by
  integrating
• Multi-rate Optical Interfaces (STM-1/4/16)
• Can be positioned as a versatile gateway element
• Support for SDH interfaces
• Support for both AU3 and AU4 mapping modes
• ADM applications with subtending rings
• Each ring can be protected using a different
  protection scheme
• Say, SNCP on one ring, MS-SPRing on another
• Support for large E1,E3/DS3 traffic add-drops
• Wave feeder for DWDM networks due to support for
  15xx nm interfaces

17
Thank you for your attention
For more details visit us at our Website
at http//www.comarra.co.uk
123 Springvale Road, Winchester HantsSO23 7LE
UKPhone 44 (0) 20 7871 9524E-mail
info_at_comarra.co.ukWeb Site http//www.comarra.co
.uk