VCL 100 STM-1 4 Multi-Service Provisioning Platform MSPP 16810

VCL 100 STM-1/4 Multi-Service Provisioning Platform (MSPP) 16810, Avenue of Fountains, Suite # 108, Fountain Hills, AZ 85268, U. S. A. Phone: +1 (480) 816 -8672 Fax: +1 (480) 816 -0115 E-mail: sales@oriontelecom. com Web Site: http: //www. oriontelecom. com Updated : January 1 st, 2005 Slide 1

VCL 100 STM-1/4 l Multiple circuit and data interface options – – l l E 1/DS 1, E 3/DS 3, E 4, STM 1 e 10/100 Mbps Ethernet STM-1/4 terminal, dual-terminal and MADM configurations supported Full range of redundancy options Built-in fully non-blocking 2. 5 Gbps cross-connect Highly modular with support for an expansion chassis for larger traffic drops Orion Telecom Networks Inc. 2005 l Applications: – – Cost-effective fully redundant STM-4 ADM Cross-connect interconnecting multiple rings and linear segments Slide 2

VCL 100 STM-1/4 l • General • 6 T Tributary Card #5 • General • 6 T Tributary Card #4 Tributary Card #3 • General • 6 T Tributarry Card #2 • 6 T • General • 6 T Tributarry Card #1 • 6 T • General Card #2 • Aggregate Card #1 • Aggregate Card #2 • 6 T • Cross-connect Sub-system #2 • Processor • 6 T Card #1 Sub-system #1 • Processor • 6 T • Cross-connect • Management • 6 T Supply Unit #2 • Power • 6 T Supply Unit #1 • Power Interface Card VCL 100 STM-1/4: Base Chassis VCL 100 MSPP provides the following card slots – – – 2 slots for power supply cards (PSU) 2 slots for processor sub-systems (PSS) 2 slots for cross-connect cards 2 slots for STM-1/STM-4 aggregate cards (AC#1, 2) 5 slots for general tributary cards (GTC) 1 slot for management interface card (MIC) Orion Telecom Networks Inc. 2005 Slide 3

VCL 100 STM-1/4 VCL 100 MSPP: Traffic Cards l l The following traffic cards are available on VCL 100 STM-1/4 Optical Cards: – All cards are characterized by drop-in replacements for the optics l – – Support for the automatic laser shutdown feature Support for live insertion and hot-swapping l l l 1310 nm, 1550 nm, SR, IR etc 1 x. STM-4 1/2 x. STM-1 Optical Electrical Cards: – – – 1/2 x. STM-1 Electrical 1 x. STM-1 Electrical/E 4 1 x. E 3/DS 3 (Programmable) l – – 1 x. E 3/DS 3 Transmux (available Q 3, 2003) 21/28 x. E 1/DS 1 (Programmable) l l – BNC connectors (75 ohms) D-type connectors (120 ohms terminations) 75 ohm terminations using baluns 8 x 10/100 Mbps Ethernet Orion Telecom Networks Inc. 2005 Slide 4

VCL 100 STM-1/4 Bandwidth Distribution • VCL 100 STM-1/4 uses a General Tributary Cards (GTC) GTC GTC GTC single stage non-blocking Slot 1 Slot 1 cross-connect fabric STM-4 2 STM-1 s • The fabric is of capacity 16 2 STM-1 s STM-4 STM-1/STS-3 s or 4 STM 1. Slot 1 and 2 share 1 STM 4/OC-12 s 4 bandwidth STM-4 Cross Connect • The cross-connect can 2. Slot 3, 4 and 5 share one Card STM-4 switch across all VT and TU STM-4 3. Maximum bandwidth on layers each bus is shown in the figure • VT 1. 5/VT 2/VT 3/VT 6 Aggregate Card 1 Card 2 • TU 11/TU 12/TU 3 Aggregate Cards • Bandwidth distribution to the aggregate and tributary slots • In addition to the aggregate slots, tributary slots 1 and 3 can house is as shown 1 x. STM-4 cards Orion Telecom Networks Inc. 2005 Slide 5

VCL 100 STM-1/4 VCL 100 MSPP: Cross-connect Types l All types of cross-connections are supported on VCL 100 STM-1/4, up to the maximum capacity of the fabric (16 x. STM-1 equivalent) – – l l Aggregate-to-Aggregate l Includes “hair-pinned” cross-connects on the aggregate Aggregate-to-Tributary-to-Aggregate Tributary-to-Tributary l Includes loopbacks and local cross-connections Support for VC-n (n=11, 12, 3, 4) multi-casting, drop and continue, uni- and bi-directional cross-connections Alarm monitoring at both TU and AU levels is supported Orion Telecom Networks Inc. 2005 Slide 6

VCL 100 STM-1/4 VCL 100 XP Expansion Chassis l l VCL 100 STM-1/4 can add/drop 140 E 1/DS 1 s from the main chassis For larger traffic drops VCL 100 XP may be used VCL 100 XP can house E 1/Ds 1, E 3/DS 3 and Ethernet Cards VCL 100 XP allows bandwidth expansion up to 1 x. STM-4 – – Requires the use of STM-4 Expander cards on the base; the population rules are the same as those for 1 x. STM-4 cards VCL 100 XP uses Expansion Controller cards (XPE 4) to interface with the base Orion Telecom Networks Inc. 2005 VCL 100 XP Expansion Chassis • The power supply units and expansion controller cards on VCL 100 XP can be optionally redundant Slide 7

VCL 100 STM-1/4 Power Supply Card (PSU) l l l This module supplies power to all cards on STM 1/4 – Generates standard 3. 3 volts based on – 48 Volts D. C input – All other required voltages are generated on the cards themselves using converters This module can be optionally redundant The module is hot-swappable and hot-insertible Provision of over-voltage and under-voltage protection for specified supply ranges Additional functions include temperature monitoring, power control Orion Telecom Networks Inc. 2005 Slide 8

VCL 100 STM-1/4 Management Interface Card (MIC) l l l This card supplies the management interfaces for both local and remote management – RS-232 port for local management – 10/100 Ethernet port for remote management The card provides status LEDs for alarm outputs Potential-free contacts for alarm extension or taking in ambient alarms BITS synchronization inputs and outputs are provided on the card Overhead channels such as order-wire and F 1 user byte can be accessed using MIC Orion Telecom Networks Inc. 2005 Slide 9

VCL 100 STM-1/4 Processor Sub-System (PSS) l l l This card serves as the central controller for the complete STM-1/4 system Based on a powerful processor, Motorola Power. PC 860, supplemented by 64 MB SDRAM and 128 MB Flash Main OS is loaded on a 128 MB compact flash disk The card can be optionally redundant ensuring that provisioning happens even when one PSS has failed The card is not traffic-affecting viz. , traffic remains unaffected in spite of PSS failure(s) Orion Telecom Networks Inc. 2005 Slide 10

VCL 100 STM-1/4 VCL 100 MSPP: Redundancy Features l l VCL 100 STM-1/4 has no single point of failure; it supports a wide range of redundancy and availability features The following common units can be optionally redundant – Power Supply Unit (PSU) l – Cross-connect Unit (XC) l l – 1+1 hot standby The slave XC is always kept in sync with the master XC to reduce switching time if the master fails Processor Sub-System (PSS) l l 1+1 hot standby and load-sharing modes PSS module is non traffic-affecting; provisioned traffic remains unaffected even if both modules fail 1: N equipment protection for E 1/DS 1 tributaries – N<=3 Orion Telecom Networks Inc. 2005 Slide 11

VCL 100 STM-1/4 VCL 100 MSPP: Network Protection l VCL 100 STM-1/4 supports standard network protection schemes defined in ITU-T G. 783 and G. 841 – l Support for new mesh based protection schemes which are more bandwidth efficient – l Diverse Mesh, Shared Mesh Support for mesh-based architecture – – – l SNC-I, SNC-N, 1+1 MSP/APS Mesh is rapidly replacing rings in new network architectures Mesh architecture is more flexible, bandwidth-efficient and reliable compared to rings Mesh is future-proof Mesh-restored circuits – – Circuits are rerouted using OSPF/MPLS upon link/node failure Increases bandwidth efficiency by avoiding the bandwidth duplication of ring-based protection Orion Telecom Networks Inc. 2005 Slide 12

VCL 100 STM-1/4 VCL 100 MSPP: Management Features l VCL 100 STM-1/4 uses an IP overlay over SDH overhead bytes to carry management information – l Uses standard Layer 3 routing protocol, OSPF for routing management information VCL 100 STM-1/4 provides multiple communication channels for carrying management information – – D 1 to D 3 bytes (DCC-RS) D 4 to D 12 bytes (DCC-MS) F 2/F 3 path overhead bytes Ethernet to E 1 mapping l E 1 management channel can be physically accessed using the 28 x. E 1 tributary card Orion Telecom Networks Inc. 2005 Slide 13

VCL 100 STM-1/4 VCL 100 MSPP: Management Features l In addition, the platform supports a DCC transparency feature allowing it to be deployed in mixed vendor scenarios – l E 1 mapping saves additional equipment and optical ports while introducing VCL 100 MC 4 in incumbent networks with alien equipment – l eg. , if the alien equipment uses D 1 -D 3, VCL 100 STM-1/4 can use D 4 D 12 with pass-through of D 1 -D 3 bytes Since connectivity between VCL 100 MC 4 and the alien equipment can be through E 1 s rather than wasting additional STM-1 interfaces VCL 100 MC 4 provides support for up to 12 In-Band Channels (IBC) and one E 1 management channel – The maximum data rate per node is 4 Mbps Orion Telecom Networks Inc. 2005 Slide 14

VCL 100 STM-1/4 Inter-working with third-party equipment: Example VCL 100 THIRD-PARTY EQPT. VCL EQPT. VCL 100 E 1(ETHERNET) ETHERNET / DCN VCL 100 STM -1 Ring Ethernet Data port used for VC-12 mapping CO THIRD-PARTY NMS VCL 100 MC VCL 100 - VCL 100 NMS • The existing third-party equipments of the customer use DCC-M bytes for their management; VCL 100 s make use of the E 1 management channel • Alien equipment and VCL 100’s co-exist on the same ring and seamlessly inter-work Orion Telecom Networks Inc. 2005 Slide 15

VCL 100 STM-1/4 ETC solution on VCL 100 STM-1/4 l The ETC (Ethernet Tributary Card) is a tributary module on VCL 100 STM-1/4 – l The module supports eight 10/100 Base-TX ports with support for auto-negotiation An ETC can be operated in either of the following mapping modes for transport over SDH – – Ethernet over SDH mode: This involves the mapping of Ethernet traffic to multiples of VC-12 s up to one STM-1 equivalent per card l Compliant to recent ITU standards on Ethernet over SDH (Eo. S) Ethernet over PDH mode: This involves the mapping of Ethernet traffic to multiples of E 1 s using Multi-Link PPP l Compliant to IETF rfc 1990 on ML-PPP and rfc 1662 on “PPP in HDLC-like framing” l Also supports an option to directly map Ethernet traffic to E 1 s without further mapping to SDH for access router apps Orion Telecom Networks Inc. 2005 Slide 16

VCL 100 STM-1/4 ETC solution: Salient Features l ETC supports the following Ethernet over SDH framing standards to enable inter-connection of Ethernet LANs over an SDH network: – – – l l Ethernet over LAPS standard as per ITU-T X. 86 Ethernet over PDH using ML-PPP/HDLC as per IETF rfc 1990 and rfc 1662 Ethernet over GFP as per ITU-T G. 7041 in the frame-mapping mode ETC allows efficient mapping of “tagged” and “untagged” Ethernet traffic into SDH virtual containers It is possible to flexibly map data traffic arriving on any Ethernet port to one or multiples of VC-12 s, VC-3 s, VC-4 s (n X VC-12 s/VC 3 s/VC-4) where n=1, 2… 63 for VC-12 s, n=1, 2, 3 for VC-3 s and n=1 for VC-4. Orion Telecom Networks Inc. 2005 Slide 17

VCL 100 STM-1/4 ETC solution: Salient Features l l The bandwidth allocated to a given port, in multiples of VC-12 s, is software configurable It is possible to configure the ETC in Ethernet over SDH or Ethernet over PDH (ML-PPP) mode – l l l Ethernet over SDH: Either GFP or X. 86 mode on a per-card basis ETC supports PAUSE frames as per IEEE 802. 3 x for flow control ETC supports port aggregation that enables aggregation of traffic from multiple source ports to the same exit port thus saving expensive ports on the destination router/switch Each ETC currently provides one STM-1 equivalent of upstream bandwidth. Orion Telecom Networks Inc. 2005 Slide 18

VCL 100 STM-1/4 ETC solution: Salient Features l Ethernet over PDH supported for carrying traffic over a network with a mix of SDH and PDH – Framing as per the following IETF draft l – Mapping to multiple E 1 circuits as per the following IETF draft l – rfc 1662: PPP in HDLC-like framing rfc 1990: The PPP Multi-link protocol (MP) IEEE 802. 3 x for flow control of incoming Ethernet data Orion Telecom Networks Inc. 2005 Slide 19

VCL 100 STM-1/4 Orion’s Products ü E 1, Voice & Data Drop-Insert Multiplexer ü PRI ISDN (Q. 931) Multiplexers ü E 1 Intelligent Channel Banks ü E 1 / T 1 DCME (Digital Circuit Multiplication Equipment) - Voice Compression Equipment ü Thin Route DCME ü E 1 / T 1 Echo Cancellers ü E 1 / T 1 Digital Cross Connect ü T 1 / E 1 Converters ü E 3, 34 Mbps Multiplexer ü 34 Mbps Optical Line Transmission Equipment (OLTE) ü STM 1 / STM 4 - SDH Equipment ü Remote Asset Management Systems Orion Telecom Networks Inc. 2005 Slide 20

VCL 100 STM-1/4 Thank you for your attention For more details visit us at our Web Site at http: //www. oriontelecom. com 16810, Avenue of Fountains, Suite # 108, Fountain Hills, AZ 85268, U. S. A. Phone: +1 (480) 816 -8672 Fax: +1 (480) 816 -0115 E-mail: sales@oriontelecom. com Orion Telecom Networks Inc. 2005 Slide 21