User manual

1. Introduction

The G.SHDSL.bis NTU offers four different interfaces (E1,T1, Serial and Ethernet) connecting

customers to high-speed TDM services. This series have 12 models as following:-

E1 interface model (SHDTU03b-E1):

This modem offers two different ways to connect customers to G.703 E1 interfaces. Either balanced 120Ω with RJ45 jack or

unbalanced 75Ω with dual BNCs. The G.703 interface can carry data at rates of 64kbps to 2.048Mbps.

E1/T1 interface model (SHDTU03b-E1/T1):

This modem offers both European standard E1 and ANSI standard T1 with either balanced 120Ω with RJ45 jack or

unbalanced 75Ω with dual BNCs for E1 or balanced 100Ω with RJ45 jack for T1. The G.703 interface can carry data at rates

of 64kbps to 2.048Mbps.

Serial interface model (SHDTU03b-Data):

This modem offers the customer premise a high-speed TDM serial data service with a DB25 interface. The industry standard

DB25 interface can be configured for V.35/RS530 or V.36/X.21 connection. The DB25 interface can transfers data up to

5.696Mbps (for 2-wire model) or up to 11.392Mbps (for 4-wire model).

Ethernet interface model (SHDTU03b-ET100):

This modem offers the customer premise high-speed TDM services with a LAN interface. The industry standard LAN

interface can detect a 10M or 100M connection automatically. The Ethernet LAN traffic is encapsulated into standard HDLC

packets.

(3 in 1)Multi-interface model (E1+Serial+Ethernet) (SHDTU03b-31):

This modem offers three types of interfaces: E1 interface (balanced 120Ω RJ45 jack or unbalanced 75Ω dual BNCs), Serial

interface (DB25 female connector) and Ethernet interface (RJ-45 connector).You can select one of the following: (a) E1

interface only (b)Serial interface only (c) Ethernet interface only (d) E1 and Serial interface (e)E1 and Ethernet interface.

(4 in 1)Multi-interface model (E1+T1+Serial+Ethernet) (SHDTU03b-31T):

This modem offers four types of interfaces: E1 interface (balanced 120Ω RJ45 jack or unbalanced 75Ω dual BNCs), T1

interface (balanced 100Ω RJ45 jack), Serial interface (DB25 female connector) and Ethernet interface (RJ-45 connector).You

can select one of the following: (a) E1 interface only (b) T1 interface only (c)Serial interface only (d) Ethernet interface only (e)

E1 and Serial interface (f)E1 and Ethernet interface (g) T1 and Serial interface (h)T1 and Ethernet interface.

The modems in this series can all be configured locally with either menu driven LCD and menu keys or with menu-driven

VT100 compatible Asynchronous Terminal Interface. Remote configuration is supported when DSL link exists via EOC

(Embedded Operations Channel) and when using VT100 Asynchronous Terminal Interface.

The G.SHDSL.Bis NTU is equipped with an auto rate capability that identifies the maximum line rate supported by the copper

loop. This powerful automatic configuration capability makes installation and service provisioning simple and painless.

Further flexibility is provided as the ability to manually set the maximum NTU speed at different levels for different

customer-tailored service offerings.