1. Presented by: CBNetworks Technical Support support.technique@cbnetworks.fr http://www.cbnetworks.fr May 2008 MAP Cross Connect Solutions

2. MAP Cross Connect Solutions for TS2008 Slide 2 http://www.cbnetworks.fr - support.technique@cbnetworks.fr Agenda DXC-100 DXC-8R/10A/30 DXC-4/PRBm-20

3. MAP Cross Connect Solutions for TS2008 Slide 3 http://www.cbnetworks.fr - support.technique@cbnetworks.fr DXC-100: Modular Multiservice Access Node 6U high, 19” wide 11 I/O Slots Max cross connect capacity 256 Mbps Carrier class 3/1/0 non-blocking cross-connect 88 x E1/T1, 11 x E3/T3, 5+5 x STM-1/OC-3 Two-part modules – main and interface Common Logic and Power Supply redundancy 5 maps (Data bases) Management (ASCII terminal, Telnet, SNMP agent, RADview NMS, RADView Service Center)

4. MAP Cross Connect Solutions for TS2008 Slide 4 http://www.cbnetworks.fr - support.technique@cbnetworks.fr DXC-100: Stack Stackable – scalable up to 8 units Max cross connect capacity 1.2 Gbps Single IP 696 x E1/T1, 80 x E3/T3, 32+32 x STM-1/OC-3 88 I/O Slots

5. MAP Cross Connect Solutions for TS2008 Slide 5 http://www.cbnetworks.fr - support.technique@cbnetworks.fr DXC-100: Modules DSTM-11-port STM-1 module DOC-31-port OC-3 module DT31-port T3 module (including G.747 support) DE31-port E3 module D8E1T18-port software selectable E1/T1 (per port) D8HS8-ports n x 56/64 kbps High-Speed module DROUTER32 TS (2 Mbps) Channelized Router Hub module D8HSDROUTERD8E1T1DE3/DT3DSTM-1/DOC-3

6. MAP Cross Connect Solutions for TS2008 Slide 6 http://www.cbnetworks.fr - support.technique@cbnetworks.fr DXC-100PSX: N:1 Protection Switch Separate 3U protection switch unit Redundancy Ratios: E1/T1 up to 10:1 E3/T3 up to 6:1 Protects a mix of E1/T1 and E3/T3 modules in a single unit DXC-100PSX Rear View

7. MAP Cross Connect Solutions for TS2008 Slide 7 http://www.cbnetworks.fr - support.technique@cbnetworks.fr Site A E1/T1 E1/T3 SDH E3/T1 E3/T3 STM-1/OC-3 DXC-100 E1/T1 DXC-100 E1/T1 E3/T3 E1/T1 DXC-100 E1/T1 STM-1/OC-3 E3/T3 Central Office DACS High density DACS (4/3/1/0) located at the Main CO Scalable up to 100s of E1/T1s in a stacked system Full system redundancy and 1:N redundancy on E1/E3/STM-1 E1/T1/E3/T3/STM-1/OC-3 Interfaces, Large cross connect matrix Carrier class Site B Site C

8. MAP Cross Connect Solutions for TS2008 Slide 8 http://www.cbnetworks.fr - support.technique@cbnetworks.fr Agenda DXC-100 DXC-8R/10A/30 DXC-4/PRBm-20

9. MAP Cross Connect Solutions for TS2008 Slide 9 http://www.cbnetworks.fr - support.technique@cbnetworks.fr DXC-8R/10A/30: Main Features DS0 Cross Connect (n x 56/64 kbps  STM-1) Max cross connect capacity 60 Mbps E1/T1 Conversion SHDSL module LAN over WAN solution Management (ASCII terminal, Telnet, SNMP agent, RADview NMS, RADView Service Center) DXC IDSN High Speed Ethernet E3/T3 STM-1 E1/T1

10. MAP Cross Connect Solutions for TS2008 Slide 10 http://www.cbnetworks.fr - support.technique@cbnetworks.fr DXC Family DXC-8R 1U Chassis System Redundancy 4 I/O Slots - Up to 32 Ports DXC-30 3U Chassis Optional Sys Redundancy 15 I/O Slots- Up to 120 Ports DXC-10A 1U Chassis 5 I/O Slots - Up to 40 Ports

11. MAP Cross Connect Solutions for TS2008 Slide 11 http://www.cbnetworks.fr - support.technique@cbnetworks.fr DXC-8R/10A/30: Modules ModuleModule NameDescription E1/T1 DE1B/DT1B D4E1/D4T1 D8E1/D8T1 2 Port E1 interface module 4 Port E1 interface module 8 Port E1 interface module E3/T3 DE3 DT3 1 Port E3 multiplexer module 1 Port T3 multiplexer module xDSL D8SL/D4SL D8U 4 or 8 Port 2 Wire E1 SHDSL interface module 8 Port IDSL or ISDN U interface module STM-1DFSTM11 or 2 Port STM-1 multiplexer module High SpeedDHS/D8HS2 or 8 Port high speed data module Inverse MultiplexingDIM1 Port digital inverse multiplexing module D4/8E1/T1

12. MAP Cross Connect Solutions for TS2008 Slide 12 http://www.cbnetworks.fr - support.technique@cbnetworks.fr ModuleModule NameDescription E1/T1 DE1B/DT1B D4E1/D4T1 D8E1/D8T1 2 Port E1 interface module 4 Port E1 interface module 8 Port E1 interface module E3/T3 DE3 DT3 1 Port E3 multiplexer module 1 Port T3 multiplexer module xDSL D8SL/D4SL D8U 4 or 8 Port 2 Wire E1 SHDSL interface module 8 Port IDSL or ISDN U interface module STM-1DFSTM11 or 2 Port STM-1 multiplexer module High SpeedDHS/D8HS2 or 8 Port high speed data module Inverse MultiplexingDIM1 Port digital inverse multiplexing module DE3/DT3 DXC-8R/10A/30: Modules

13. MAP Cross Connect Solutions for TS2008 Slide 13 http://www.cbnetworks.fr - support.technique@cbnetworks.fr ModuleModule NameDescription E1/T1 DE1B/DT1B D4E1/D4T1 D8E1/D8T1 2 Port E1 interface module 4 Port E1 interface module 8 Port E1 interface module E3/T3 DE3 DT3 1 Port E3 multiplexer module 1 port T3 multiplexer module xDSL D8SL/D4SL D8U 4 or 8 Port 2 Wire E1 SHDSL interface module 8 Port IDSL or ISDN U interface module STM-1DFSTM11 or 2 Port STM-1 multiplexer module High SpeedDHS/D8HS2 or 8 Port high speed data module Inverse MultiplexingDIM1 Port digital inverse multiplexing module D4SL DXC-8R/10A/30: Modules

14. MAP Cross Connect Solutions for TS2008 Slide 14 http://www.cbnetworks.fr - support.technique@cbnetworks.fr ModuleModule NameDescription E1/T1 DE1B/DT1B D4E1/D4T1 D8E1/D8T1 2 Port E1 interface module 4 Port E1 interface module 8 Port E1 interface module E3/T3 DE3 DT3 1 Port E3 multiplexer module 1 Port T3 multiplexer module xDSL D8SL/D4SL D8U 4 or 8 Port 2 Wire E1 SHDSL interface module 8 Port IDSL or ISDN U interface module STM-1DFSTM11 or 2 Port STM-1 multiplexer module High SpeedDHS/D8HS2 or 8 Port high speed data module Inverse MultiplexingDIM1 Port digital inverse multiplexing module DFSTM-1 DXC-8R/10A/30: Modules

15. MAP Cross Connect Solutions for TS2008 Slide 15 http://www.cbnetworks.fr - support.technique@cbnetworks.fr ModuleModule NameDescription E1/T1 DE1B/DT1B D4E1/D4T1 D8E1/D8T1 2 Port E1 interface module 4 Port E1 interface module 8 Port E1 interface module E3/T3 DE3 DT3 1 Port E3 multiplexer module 1 Port T3 multiplexer module xDSL D8SL/D4SL D8U 4 or 8 Port 2 Wire E1 SHDSL interface module 8 Port IDSL or ISDN U interface module STM-1DFSTM11 or 2 Port STM-1 multiplexer module High SpeedDHS/D8HS2 or 8 Port high speed data module Inverse MultiplexingDIM1 Port digital inverse multiplexing module DHS/D8HS DXC-8R/10A/30: Modules

16. MAP Cross Connect Solutions for TS2008 Slide 16 http://www.cbnetworks.fr - support.technique@cbnetworks.fr ModuleModule NameDescription E1/T1 DE1B/DT1B D4E1/D4T1 D8E1/D8T1 2 Port E1 interface module 4 Port E1 interface module 8 Port E1 interface module E3/T3 DE3 DT3 1 Port E3 multiplexer module 1 Port T3 multiplexer module xDSL D8SL/D4SL D8U 4 or 8 Port 2 Wire E1 SHDSL interface module 8 Port IDSL or ISDN U interface module STM-1DFSTM11 or 2 Port STM-1 multiplexer module High SpeedDHS/D8HS2 or 8 Port high speed data module Inverse MultiplexingDIM1 Port digital inverse multiplexing module DIM DXC-8R/10A/30: Modules

17. MAP Cross Connect Solutions for TS2008 Slide 17 http://www.cbnetworks.fr - support.technique@cbnetworks.fr Services over Copper Business Objectives Provisioning of Leased Line services Winning Combinations Flexible solution One stop solution. Variety of services DXC-8R/30 E1’s FCD-E1LC MP-2104 V.35 V.24/V.35/G.704 (64kbps) SHDSL ASMi-52 E1/T1 Customer Network LAN

18. MAP Cross Connect Solutions for TS2008 Slide 18 http://www.cbnetworks.fr - support.technique@cbnetworks.fr Agenda DXC-100 DXC-8R/10A/30 DXC-4/PRBm-20

19. MAP Cross Connect Solutions for TS2008 Slide 19 http://www.cbnetworks.fr - support.technique@cbnetworks.fr DXC Family DXC-4 ½ 19” 1U Chassis 8 E1/T1 groomer PRBm-20 ½ 19” 1U Chassis 8 E1/T1 SS7 monitoring prob

20. MAP Cross Connect Solutions for TS2008 Slide 20 http://www.cbnetworks.fr - support.technique@cbnetworks.fr DXC-4: E1/T1 Grooming Device Groomer functionality (no cross connect) Tributary: 4 or 8 E1/T1 link Uplinks: 1 E1/T1 Power supply: one or two power supplies, AC or DC Management port: RS-232 or Ethernet Management options: SNMP agent, RAD view NMS, Telnet, ASCII terminal ETSI Rack installation ready Integration with any existing system

21. Thank you for your attention Technical Support support.technique@cbnetworks.fr http://www.cbnetworks.fr

22. MAP Cross Connect Solutions for TS2008 Slide 22 http://www.cbnetworks.fr - support.technique@cbnetworks.fr DXC-8R Outdoor Solution Requirements Grooming fractional E1 traffic into STM-1 trunk. Out door installation ( -30 +50) Benefits Compact size STM-1 uplink protective case for outdoor installation Price / Performance Management

23. MAP Cross Connect Solutions for TS2008 Slide 23 http://www.cbnetworks.fr - support.technique@cbnetworks.fr DXC-100 PSX Configuration NP-02NP-01NR-11NR-10NR-09NR-08NR-07NR-06NR-05NR-04NR-03NR-02NR-01NC-01 IM-11IM-10IM-09IM-08IM-07IM-06IM-05IM-04IM-03IM-02IM-01SI-01 Interface Modules (IM)Sys Mgmt I/F (SI) N+1 Power (NP) N+1 Relay Interface (RI) N+1 Control (NC) DXC-100PSX DXC-100 D8E1T1 Redundant D8E1T1 Standby D8E1T1DSTM-1 D8E1T1 Primary CLIENT D8E1T1 Primary Network

24. MAP Cross Connect Solutions for TS2008 Slide 24 http://www.cbnetworks.fr - support.technique@cbnetworks.fr SDH Network LRS-24 E1s V.35 E1 ETH ASMi-52 DXC-30 SHDSL (2/4 Wire) V.35 E1 ETH SHDSL (2 Wire) POP Transparent Solution Grooming Solution Services over SHDSL Solutions Business Objectives Provision of managed multi-rate leased line services over SDH Backbone Winning Combination Modular and scaleable solution Multi-rate support in ASMi-52 End-to-end solution Grooming (DXC) and transparent (LRS) SHDSL-based solution ASMi-52 E1s

25. MAP Cross Connect Solutions for TS2008 Slide 25 http://www.cbnetworks.fr - support.technique@cbnetworks.fr 8 E1 Services over Microwave Network Business Objectives ISP and Leased lines services Winning Combinations Reliable Protection Mechanism High responsiveness to special customer requirements 7 E1 8 E1 15 E1 Back up Path 8 E1 7 E1 DXC-30 8 E1 15 E1 Router FCD-IPD E1 LAN Router FCD-IPD E1 LAN FCD-IPD LAN E1 Radview Radio Mgnt DXC-30 15 E1 Router DXC-8R

26. MAP Cross Connect Solutions for TS2008 Slide 26 http://www.cbnetworks.fr - support.technique@cbnetworks.fr Branch Office Vmux-400 BTS BSC MSC NOC Headquarters n x E1 E1/FE1 Vmux-400 E1/FE1 DXC-8R E1/FE1 Router 1 or 2 E1 Vmux-400 E1/FE1 HQ LAN Leased E1/FE1/ n x 64 kbps DXC-4 BTS Vmux-400 E1/FE1 Airmux-200 Wireless E1 Router LAN Remote City Leased E1/FE1/ Services over Leased Line Solution Reducing leased line cost by grooming