Protocol Converter Inverse Multiplexer Ethernet over SDH

Protocol Converter Inverse Multiplexer & Ethernet over SDH International Department July, 2006 Raisecom

RC 901 -FE 4 E 1 RC 901 -FX 4 E 1 Fast Ethernet over 4 bonded E 1 circuits G. 703 balanced/unbalanced E 1 64 M large buffer Fault pass through (E 1 to ETH) MAC address filtering VLAN transparent forwarding E 1 local/remote loopback Remote SNMP management Software online upgrade Raisecom 2

RC 902 -FE 4 E 1 RC 902 -FX 4 E 1 Fast Ethernet over 4 bonded E 1 circuits G. 703 balanced/unbalanced E 1 64 M large buffer Fault pass through (E 1 to ETH) MAC address filtering VLAN transparent forwarding E 1 local/remote loopback SNMP management Software online upgrade Raisecom 3

RC 902 -FE 4 E 1 -BL RC 902 -FX 4 E 1 -BL Fast Ethernet over 4 bonded E 1 circuits G. 703 balanced E 1 64 M large buffer Maximum Transmission Unit up to 1536 Bytes Fault pass through (E 1 to ETH) MAC address filtering VLAN transparent forwarding E 1 local/remote loopback Telnet/console/SNMP management Software online upgrade Raisecom 4

RC 952 -FEE 1/FXE 1 Chassis module 10/100 Base. TX or 100 Base. FX Ethernet Balanced(120 Ohm)/unbalanced(75 Ohm) E 1 MTU up to 1916 Bytes IEEE 802. 1 d, IEEE 802. 1 q transparent forwarding Fault pass through Framed/unframed E 1 mode Customized E 1 slots configuration Optional internal BERT for diagnostics SNMP management Raisecom 5

RC 953 E-3 FE 16 E 1 to 3 FE inverse multiplexer HDLC over E 1/bonded E 1 circuits Ethernet over bonded E 1 by interleaving Link Capacity Adjustment Scheme MTU up to 1632 Bytes IEEE 802. 1 Q VLAN tagging and stacking (Q-in-Q) E 1 local/remote loopback Optional internal BERT for diagnostics Telnet/console/SNMP management Redundant power supplies Raisecom 6

RC 953 -GESTM 1 Channelized Ethernet aggregation gateway 63 E 1 to GE inverse multiplexing Combo Gigabit Ethernet interface 2 * STM-1 interface HDLC over E 1 mapping VLAN transparent forwarding Framed/unframed E 1 mode Optional internal BERT for diagnostics Redundant power supplies Telnet/console/SNMP management Raisecom 7

RC 953 -FE/FX 4 E 1 Fast Ethernet over 4 E 1 inverse multiplexer Optional 10/100 Base. TX, 100 Base. FX HDLC over bonded E 1 by interleaving E 1 circuit order auto recognition E 1 link auto assembly/disassembly E 1 local/remote loopback Optional internal BERT for diagnostics Balanced(120 Ohm)/unbalanced(75 Ohm) optional Remote management through SNMP 19’ 1 U metal enclosure Raisecom 8

RC 953 -FE/FX 8 E 1 -BL Fast Ethernet over 8 E 1 inverse multiplexer Optional 10/100 Base. TX, 100 Base. FX HDLC over bonded E 1 by interleaving E 1 circuit order auto recognition E 1 link auto assembly/disassembly E 1 local/remote loopback Optional internal BERT for diagnostics Balanced(120 Ohm)/unbalanced(75 Ohm) optional Remote management through SNMP 19’ 1 U metal enclosure Raisecom 9

RC 954 -FE/FX 4 E 1 Fast Ethernet over 4 E 1 inverse multiplexer Optional 10/100 Base. TX, 100 Base. FX HDLC over bonded E 1 by interleaving E 1 circuit order auto recognition E 1 link auto assembly/disassembly E 1 local/remote loopback Optional internal BERT for diagnostics Balanced(120 Ohm)/unbalanced(75 Ohm) optional Remote management through SNMP Chassis module for RC 002 -16 16 -slot chassis Raisecom 10

RC 954 -FE 4 E 1 -BL RC 954 -FX 4 E 1 -BL Fast Ethernet over 4 E 1 inverse multiplexer Optional 10/100 Base. TX, 100 Base. FX HDLC over bonded E 1 by interleaving E 1 circuit order auto recognition E 1 link auto assembly/disassembly E 1 local/remote loopback Optional internal BERT for diagnostics Balanced (120 Ohm) E 1 interfaces Remote management through SNMP Chassis module for RC 002 -16 16 -slot chassis Raisecom 11

RC 954 -2 FE 4 E 1 -BL RC 954 -2 FE 8 E 1 -BL Fast Ethernet over 4 E 1/8 E 1 inverse multiplexer Simultaneous copper and fiber FE interfaces HDLC over bonded E 1 by interleaving E 1 circuit order auto recognition E 1 link auto assembly/disassembly E 1 local/remote loopback Optional internal BERT for diagnostics Balanced (120 Ohm) E 1 interfaces Remote management through SNMP Chassis module for RC 002 -16 16 -slot chassis Raisecom 12

RC 956 -FE 8 E 1 Rack mountable module (for RC 006 chassis) 8 E 1 to Fast Ethernet inverse multiplexing Optional copper or fiber FE interface 802. 3 u 10/100 Base. TX, G. 703 E 1 interface HDLC over bonded E 1 by interleaving MTU up to 1632 Bytes IEEE 802. 1 Q VLAN tagging and stacking (Q-in-Q) E 1 local/remote loopback Link Capacity Adjustment Scheme Balanced(120 Ohm)/unbalanced(75 Ohm) optional Management through SNMP agent Raisecom 13

RC 702 (Rev. C) Fast Ethernet over STM-1 CPE Optional electrical/optical Ethernet interface Optional electrical/optical STM-1 interface VC 4 virtual connection options GFP/LAPS encapsulation VLAN transparent forwarding Redundant power supplies Telnet/console/SNMP management Software online upgrade Raisecom 14

RC 702 -GE-T/X Gigabit Ethernet over STM-1 CPE Optional electrical/optical Ethernet interface Optional electrical/optical STM-1 interface VC 4 virtual connection options GFP/LAPS encapsulation VLAN transparent forwarding Redundant power supplies Telnet/console/SNMP management Software online upgrade Raisecom 15

ISCOM 4300 Fast Ethernet over STM-1 16 * Fast Ethernet interfaces 2 * STM-1 (two-way independent or 1+1 protection) VC 12, VC 3 virtual connection Link Capacity Adjustment Scheme GFP/LAPS encapsulation VLAN transparent forwarding Telnet/console/SNMP management Software online upgrade Raisecom 16

Innovative and Unique Solutions for Ethernet Over E 1 Raisecom 17

Ethernet over 4 E 1 – High-density, costefficient point-to-point solution • Up to 15 units in one 3 U chassis • GUI-based network management for both local and remote units • Cost-efficient point-to-point solutions for Ethernet over 4 E 1 solutions Raisecom 18

Ethernet over 4/8 E 1 – High-density, cost-efficient point-to-point solution • Ethernet over 4 or 8 E 1 with both copper and optical Fast Ethernet interfaces for reducing the inventory cost • GUI-based network management for both local and remote units Raisecom 19

Ethernet over 8 E 1 in P 2 P and P 2 MP topologies with Q-in-Q, VLAN and Qo. S functions • 8 E 1 aggregation with VLAN tagging and stacking • Qo. S supported for assured Service Level Agreement Raisecom • Cost-efficient point-to-point solutions for Ethernet over 8 E 1 solutions 20

Ethernet over 1/4/8 E 1 – Aggregation solution for P 2 MP applications • Up to 11 units of RC 956 -FE 8 E 1 in one RC 006 -12 6 U chassis • Aggregate up 11 units of RC 956 -FE 8 E 1’s Ethernet traffic to aggregation unit’s Gigabit Ethernet interface • Cost-efficient aggregation solution for up to 88 (11*8) E 1 from remote sites Raisecom • GUI-based management for both local and remote units 21

Ethernet over 1/4/8 – Aggregation Gateway with VLAN • • • Aggregating solution- up to 16 remote branches Switching and bridging solution – save resource of routers and switches Bonding solution - 4/8 x E 1 to bridge the bandwidth gap High reliability – based on SDH network with redundant STM-1 links Raisecom Innovative and unique solution – point –to – multipoint 22

Ethernet over 1/4/8 – Aggregation Gateway with channelized redundant STM-1 lines • • • Aggregating solution- up to 63 remote branches Switching and bridging solution – save resource of routers and switches Bonding solution - 4/8 x E 1 to bridge the bandwidth gap High reliability – based on SDH network with redundant STM-1 links Raisecom Innovative and unique solution – point –to – multipoint 23

Ethernet over PDH – Private LAN Service over Leased Line TLS Branch A Internet Traffic Vo. IP WWW Headquarters 4 x E 1 TLS Branch B 8 x E 1 Internet STM-1 PSN Eth/IP/MPLS GE Vo. IP TLS Branch C 4 x E 1 TLS Traffic FE/GE Branch D Internet Vo. IP • Ethernet Private LAN application providing LAN connectivity and optionally other services like Internet and Vo. IP over providers SDH infrastructure • Headquarters and branches connected as if on the same LAN • Switching is done by the RC 953 -GESTM 1 (bridging), no need for full mesh connectivity • High resiliency based SDH protection Raisecom 24

Extension of Broadband Services to Rural areas IP DSLAM Subscribers x. DSL Internet POP 1 Subscribers IP DSLAM PSN Eth/IP/MPLS Ethernet POP Gb. E x. DSL E 1 N x E 1 STM-1 POP 2 Wimax Ethernet • Best aggregating solution for rural areas broadband service over SDH network • Specific traffic flows from a specific remote DSLAM is isolated from other DSLAM • Each service receives its class of service based on the transparent Qo. S parameters delivery and E 1 bandwidth • Per line OAM is obtained running Ethernet OAM between RAISECOM channelized Ethernet gateway and remote inverse multiplexers Raisecom 25

Extending Carrier Ethernet over TDM network • Accessing diversified services such as IP DSLAM, IAD, Wi. Max and enterprise customer service from a LAN switch • Aggregating up to 63 E 1 carrying diversified Ethernet services from remote sites to central RC 953 -GESTM 1 Raisecom 26

VLAN based bandwidth allocation for enforced SLA agreement • Different traffic flows of different services are allocated with different bandwidth according to their VLAN ID Raisecom • Assured Service Level Agreement (SLA) for mission critical services 27

Providing dedicated service with dedicated gateway • Aggregating different service to different RC 953 -GESTM 1 gateway • Enhanced service availability by assigning dedicated gateway for different services 28 Raisecom

Management for EOE solution • SNMP management, CLI, Telnet, GUI software along with RAISECOM NMS • Configuration management: C 2, J byte configuration; protection switching over for STM-1; VC management; • Performance management: E 1 traffic statistics; E 1 error statistics, etc • Alarm management • Remote device management Raisecom 29

Customer reference Raisecom 30

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