1. Leadcom (M) Sdn Bhd System Overview of Minimux Fiberlogic OptiqView 4388

2. PSTN PABX Mini DSLAM Edge Router Internet 2G/3G Base Station Building or Remote Side 100KM OptiQmax 4388 E1/T1/Ethernet/V.35 Fiber Optical Multiplexer is an interface equipment between Optical and Electrical line facilities to carry structured/ unstructured E1 and/or T1 signals, Ethernet, V.35 over a single mode fiber for telephone, video, data and wireless applications. Opti Q max 4388 FOM Application Diagram Central Office FOM FOM SDH ADM DLC E1 Multiplexer Routers FE1

4. Opti Q max 4388 16 × E1/T1/Ethernet/V.35 Fiber Optical Multiplexer Power Indicators X 2 System Status Indicators Tributary Status Indicators X 16 Aggregation Status Indicators Alarm I/O Relay Console Port SNMP Port SFP Slot for Aggregation ACO Switch LCD Display with Key Control E1/T1 Module X 4 AC Power Module DC Power Module FAN Unit

5. Mux/ Demux Processor T1/E1 Driver & Framer #1 T1/E1 Signal #2 T1/E1 Signal #N-1 V.35 Signal #N Ethernet Signal CPU LED Alarm Relay ‧ ‧ ‧ N=4/8/12/16 E/O TX1 NVRAM LCD Key/Switch CID 100/10BaseT T1/E1 Driver & Framer T1/E1 Driver & Framer T1/E1 Driver & Framer O/E RX1 E/O TX2 O/E RX2 Opti Q max 4388 FOM System Block Diagram

9. TX TX1 TX2 RX1 RX2 RX TX TX1 TX2 RX1(W1,LOS/RDI) RX2(W2,LOS/RDI) RX OPTICAL W1 LOS/RDI W2 LOS/RDI ☆ 1+1 optical SW Criteria RDI RDI TX TX1 TX2 RX1 RX2 RX TX TX1 TX2 RX1(W1,LOS/RDI) RX2(W2,LOS/RDI) RX RDI RDI OPTICAL W1 LOS/RDI W2 LOS/RDI RDI

10. ☆ Modular E1 Tributary Card Design ☆ E1 Interface (75 or 120 ohms), Complied to G.703 and G.704 ☆ Hot-swappable, No Bit Error Encountered when Performing the provisioning or remove the other channel or module. CH 1 2 3 4 4-port E1(75 ohms), BNC 3 4

11. Loopback FOM A E1 to Line local loopback E1 to Optical remote loopback FOM B ☆ 4 kinds of E1 loopback FOM A FOM B ☆ 3 kinds of Optical loopback E1 to Optical local loopback E1 to Line remote loopback Optical to Line local loopback Optical to optical local loopback to remote Optical to optical remote loopback to remote Optic Side Local Remote Line Side Line Side Optic Side Line Side Line Side Local Remote

12. ☆ PRBS Test System build in standard Unframed 2 15 -1 Pattern Generator 及 Detector ， Via CID 、 SNMP or LCD to execute and display the result of Error Count 、 Bit Error Rate 。 Ex: Local is FOM A and Remote is FOM B ， all PRBS test performed by FOM A ， there are 5 kinds of E1 PRBS test ： A ： f rom Local FOM—Through Optical --- to Local FOM , after E1 remote loopback 。 B ： From Local FOM---Through Optical---to Remote FOM FOM A FOM B PRBS Generator & Receiver FOM B PRBS Generator PRBS Receiver FOM A

13. ☆ 2 Pluggable Power Module Slots, can insert either AC or DC Module ☆ 1+1 Hot-standby and Load Sharing ☆ Loss of Power Detection and Dying Gasp (Hardware) ☆ Hot-swappable, No Bit Error Encountered for Optical and E1 interface

14. ☆ Temperature Harden Wide range of operating environmental condition: 0 to 65 Celsius degree, 90% Relative humidity. The right hand side illustrated the test report of BER test of OptiQmax 4388 that tested by CHT-TL, Taiwan (Test case: TST-98-10-NA-02). The test conditions are continuously operating at (1) 24 hour at room temperature (2) 72 hours at 65 Celsius degree, 90% R.H. (at 65 Celsius degree) (3) 72 hours at 0 Celsius degree  All of these three tests are 0 bit error encountered for All the E1 tributaries.

15. Single-ended Maintenance Capability TX1 Embedded Operation Channel Local FOM Remote FOM W1 W2 RX1 TX2 RX2 TX1 RX1 TX2 RX2 LCD Display with Key Control Data Craft Interface SNMP Network Management System

18. Q&A Session