
G.703 NTU W/10BASET
5
CONTENTS
CE Notice .................................................................................................... 2
Radio and TV Interference.......................................................................... 2
FCC Part 68................................................................................................. 3
Trademarks Used In This Manual............................................................... 3
Normas Oficiales Mexicanas (NOM) Electrical Safety Statement............. 3
1. General Information ....................................................................................7
1.1 Features ...............................................................................................7
1.2 Description ......................................................................................... 7
2. PPP Operational Background...................................................................... 8
2.3 Applications........................................................................................ 8
3. Configuration............................................................................................. 10
3.4 DIP Switch Configurations............................................................... 10
3.4.1 Switch S1 settings.................................................................. 11
3.4.2 SW1-1 Line Coding: HDB3 (default).................................... 11
4. Installation................................................................................................. 13
4.5 Connecting to the G.703 Network and Ethernet LAN ..................... 13
4.5.3 Connecting Dual Coaxial Cable (75 ohm) to the
G.703 Network ...................................................................... 14
4.5.4 Connecting the Twisted Pair (120 ohm) to the
G.703 Network ...................................................................... 15
4.5.5 Connecting the 10Base-T Ethernet port to a PC (DTE)........ 15
4.5.6 Connecting the 10Base-T Ethernet Port to a Hub ................. 16
4.5.7 Power Connection.................................................................. 16
5. Operation................................................................................................... 17
5.6 Power-up........................................................................................... 17
5.7 LED Status Monitors........................................................................ 17
5.8 Operating Line Loopback (LL) ........................................................ 19
A. G.703 Specifications ................................................................................. 20
A.1 Network Data Rate ...........................................................................20
A.2 Network Connector ..........................................................................20
A.3 Nominal Impedance ..........................................................................20
A.4 Line Coding ......................................................................................20