1. BOTU Features and Applications Copyright © Siemens Schweiz AG 2007

2. page 2Siemens Switzerland Ltd ULAF+ BOTU.ppt S-CH EIP A/mre BOTU Plug-in and Desktop Unit

3. page 3Siemens Switzerland Ltd ULAF+ BOTU.ppt S-CH EIP A/mre BOTU Features (1)  Optical Line Interface Line speed 155 MBit/s, SFP (Small Form Factor Plugable) Modules Bidirectional (WDM) via one fiber or two fiber modules Distances 0 to 15km / 0 to 40km (depending on SFP type) Optional 1+1 Line Protection  Centralized Management (LCT and AccessIntegrator)  Compatible to all ULAF+ subracks  Clock distribution from Central Office Terminal (COT) to Remote Terminal (RT)

4. page 4Siemens Switzerland Ltd ULAF+ BOTU.ppt S-CH EIP A/mre BOTU Features (2)  Versions:  BOTU plug-in: 4 x 1 E1 (G.703; 2MBit/s, 75/120 Ohm) and 3 x 10/100 BaseT (Ethernet switch on board);  BOTU desktop: 4 x E1 (G.703; 2Mbit/s, 75/120 Ohm) and 4 x 10/100 BaseT (Ethernet switch on board)  BOTU desktop: 1 x 1 E1 (G.703; 2Mbit/s; 75/120 Ohm) and data module slot (for X.21, V.35, V.36 modules)  QOTU plug-in: 4 x E1 (G.703; 2Mbit/s, 75/120 Ohm) and 4 x optical interfaces (SFP slots)

5. page 5Siemens Switzerland Ltd ULAF+ BOTU.ppt S-CH EIP A/mre BOTU: 4 port L2-switch  Individually configurable 10/100BaseTX ports IEEE 802.3u (using LCT or AccessIntegrator EM ULAF+) Plug-in: 3 ports at the front and one connected to the backplane of ULAF+ V3 subrack Desktop: 4 ports  Ports can be individually deactivated  10BaseT/100BaseTX  Full- / half duplex operation;  Link Failure Propagation (LFP)  Flow control (pause frames or back pressure); auto negotiation  Automatic MDI / MDI-X crossover  VLAN and QoS supported  Handling of oversized frames up to 2000 bytes  Self-learning switch (1024 MAC addresses  Ingress and Egress Rate Limiting  Broadcast Storm Protection  VLAN IEEE 802.1Q support  Provider VLAN IEEE 802.1ad  16 simultaneous active VLAN

6. page 6Siemens Switzerland Ltd ULAF+ BOTU.ppt S-CH EIP A/mre Quality of Service  Priority Queues 4 priority queues Transmit Queue Algorithms: “Weighted Fairness Queuing” “Strict Priority Queuing”  Prioritization Based on port Based on IEEE 802.1p Based on DSCP Based on VLAN ID

7. page 7Siemens Switzerland Ltd ULAF+ BOTU.ppt S-CH EIP A/mre BOTU with Ethernet & G.703 Interfaces Application: 4 x E1 & 100 MBit/s Ethernet  Advanced L2 Switch features  Clock input (COT), clock output (RT)  Optional 1+1 line protection E1 (G.703) 1...4 x 10/100BaseTx 155MB 1+1 protection BOTU 4 x E1 (G.703) GbE Uplink (TDM)

8. page 8Siemens Switzerland Ltd ULAF+ BOTU.ppt S-CH EIP A/mre BOTU with Data Module Slot & G.703 Interface Application: 1x E1 plus 2MBit/s Data  Data Interface Module Slot (X.21, V.35 or V.36 )  Clock input (COT), Clock output (RT)  Optional 1+1 Line Protection E1 (G.703) DTE X.21, V.35 or V.36 155MB 1+1 Line Protection BOTU 2 x E1 xTU ULAF+ xTU 2 x E1 (TDM) BOTU with 4 x E1

9. page 9Siemens Switzerland Ltd ULAF+ BOTU.ppt S-CH EIP A/mre xTU QOTU – Quad system optical unit BOTU E1 (G.703) BOTU Data BOTU Data 155 MB 4 x E1 xTU ULAF+ xTU QOTU ULAF+ xTU (TDM) BOTU

10. page 10Siemens Switzerland Ltd ULAF+ BOTU.ppt S-CH EIP A/mre Ethernet Channel Bundling 1...4 x 10/100BaseTx BOTU  4 – 8 MBit/s Ethernet via 2 – 4 E1 channels (MCS* Channel Bundling) * MCS: Multi Channel Synchronization in BOTU on customer request BOTU (TDM) MCS 2...4 x E1 MCS 2...4 x E1 1...4 x 10/100BaseTx GTU4 155MB 1+1 Protection

11. page 11Siemens Switzerland Ltd ULAF+ BOTU.ppt S-CH EIP A/mre 100 Mbit/s Connections via Metro Ethernet Network BOTU 10/100BaseTx BOTU VoIP BOTU P-VLAN (Provider VLAN) VoIP BOTU GbE

12. page 12Siemens Switzerland Ltd ULAF+ BOTU.ppt S-CH EIP A/mre 8 Mbit/s Ethernet Leased Lines via SDH/TDM Networks MUX (TDM) MCS 4 x E1 4 x E1 MCS 10/100BaseTx BOTU VoiP BOTU MCS: Multi Channel Synchronization in BOTU on customer request

13. page 13Siemens Switzerland Ltd ULAF+ BOTU.ppt S-CH EIP A/mre 100 Mbit/s Ethernet & Legacy Access/ Campus Network, 1 + 1 Protection E1 (G.703) 1...4 x 10/100BaseTx 155MB 1+1 protection BOTU E1 (G.703) 1...4 x 10/100BaseTx BOTU

14. page 14Siemens Switzerland Ltd ULAF+ BOTU.ppt S-CH EIP A/mre Legacy Access Network G.703 X.21 G.703 V.35 G.703 V.36 G.703 X.21 QOTU 4 x E1 BOTU

15. page 15Siemens Switzerland Ltd ULAF+ BOTU.ppt S-CH EIP A/mre HW Versions (1) BOTU Plug-in, 10/100BaseTx Plug-in : S3118-J612-F111 4 x E1 (G.703) 3 x 10/100 BaseTx 2 x SFP slots

16. page 16Siemens Switzerland Ltd ULAF+ BOTU.ppt S-CH EIP A/mre HW Versions (2) QOTU Plug-in Plug-in : S3118-J613-F110 4 x E1 (G.703) 4 x SFP slots

17. page 17Siemens Switzerland Ltd ULAF+ BOTU.ppt S-CH EIP A/mre HW Versions (3) BOTU Desktop, 10/100 BaseTx Desktop : S3118-H612-F111 4 x E1 (G.703) 4 x 10/100 BaseT 2 x SFP slots Clock interface (BNC)

18. page 18Siemens Switzerland Ltd ULAF+ BOTU.ppt S-CH EIP A/mre HW Versions (4) BOTU Desktop with data module slot Desktop : S3118-H612-B210 1 x E1 (G.703) 2 x SFP slots Clock interface (BNC)

19. page 19Siemens Switzerland Ltd ULAF+ BOTU.ppt S-CH EIP A/mre BOTU Accessories SFP Modules: V3708-Z67-X28 bidirectional Tx= 1310nm: 0 to 15km V3708-Z67-X29 bidirectional Tx= 1550nm: 0 to 15km V3708-X67-X32 duplex-connector Tx/Rx 1310nm: 0 to 15km V3708-Z67-X30 bidirectional Tx=1310nm: 0 to 40km V3708-Z67-X31 bidirectional Tx=1550nm: 0 to 40km Optical connector type: LC

20. page 20Siemens Switzerland Ltd ULAF+ BOTU.ppt S-CH EIP A/mre Siemens Switzerland Ltd. International Sales EIP A Albisriederstrasse 245 CH-8047 Zurich Tel.: + 41-585 586 144 Fax: + 41-585 585 414 e-mail: international.sales.ch@siemens.com homepage: http://www.siemens.ch/ulaf Your contact Sales