Module I: Telephony
Telephone Network Basics
Cable characteristics (NL/H88)
Brief Overview of ISDN (BRI/PRI), ADSL/RADSL, HDSL/2/4, SDSL, VDSL
Levels (dB), Impedance, Equalization, Noise
Hands-on Exercises
Module II: Data Concepts
ASCII Basics
DCE/DTE Characteristics & DSTs
RS-232 (EIA-232), V.35 Connectors & RJ45
Balanced/Un-Balanced Interfaces,
Full/Half Duplex
Point-to-Point and Multi-Point Circuits
Hands-on Exercises
Module III: Voice Grade Data
Modem Characteristics, FSK, QPSK, 8-Phase & QAM
BAUD vs. Bit Rate
Analog Impairments
Analog Data Levels (DLP & TLP)
Passive (Z-Mismatching) and Active Equalization (HT, SL & BW)
Noise (Background & Impulse) Measurements
Noise Filters
Analog Loopbacks
Sealing Current
Hands-on Exercises
Module VI: T-Carrier Overview
A - to - D Conversion
Framing Pattern, Line Codes,
Channel Banks & DCS
Channel Units (Analog & Digital)
2-Wire and 4-Wire Channel Units
Levels (Analog & Digital)
Carrier Levels
Copper T1 Spanlines & HDSL/HDSL2/HDSL4
Hands-on Exercises
Module V: Timing & Synchronization
Asynchronous Timing
Synchronous Timing
BITS Clocks and Slave Clocks
Stratum 1 to 4 Clock Characteristics
Timing Options
Composite Clocking / Integrated / Bit & Byte
Clock Cabling and Terminations (Options)
LORAN-C & GPS Receivers
Plesiochronous Clocking
Wander & Jitter (UI)
Hands-on Exercises
Module VI: Digital Data Services & Fractional T1
DDS Overview
Subrates (2.4kb/s to 38.4kb/s)
56/64kb/s Rates & Fractional T1 (FT1)
Secondary Channels (SC Option)
Error Correction, ZCS/JB7
CSU/DSUs, Data Station Terminations (DDSTs)
OCU-DPs, DS0-DPs, DSU-DPs & DDS-OCUs
QMJUs, MJUs & SRMUs
Digital Data Banks (DDB)
DS0-A and DS0-B Characteristics
Control Codes
DDS Test Sets (DS0 & DS1)
Loopbacks (Alternating & Latching)
Test Patterns
Local Loop Requirements
Hands-on Exercises
Module VII: Adtrans 2-Wire Total Reachฎ DDS
Total Reachฎ Basics
13.3 kHz @ 135Ω 2-Wire Cable Characteristics
TROCU-DP, TRDDS-R,
Hands-on Exercises