G.703 E1 - Digital Access Solution for E1 and Fractional E1 Network Services

Installation and operation manual, Electronic Edition. — CTC Union Technologies Co., Ltd. — 62 pages.G.703 E1 - устройства цифрового доступа к сети.
Инструкция по монтажу и эксплуатации (на английском языке).The G.703 E1 Pack Series provides an economical digital access solution for E1 and Fractional E1 network services. A flexible selection of replaceable adapter cables provides a wide range of industry standard interfaces for both DTE or DCE devices, which may be linked to a G.703 E1 Pack Series at data rates (depending on model) of 64 Kbps to 2048 Kbps. User data is placed into the E1 frame, using only the required number of timeslots. Timeslot assignment is accomplished according to the Data Port speed and manual setting of DIP switches. The main E1 link may be clocked from the recovered receive clock (LBT), from the Data Port clock, or from an internal oscillator.This manual supports the following models:
G703E1;
G703FE1;
G703FE1-A;
G703E1-U;
G703FE1 V2.0;
G703FE1-A V2.0.Functional Description.
System Timing Considerations.
Typical System Applications.
E1 Signal Structure.
Technical Specifications.
Configuration and Operation.
Slide Switch Functions.
DIP Switch Functions.
Examples of DIP Switch Settings.
G.703 Pack Factory Settings.
Application Notes.
Troubleshooting.
General.
Connections.
Configuration.
Unit Testing.
Appendix. Cable Definitions.
Pack Series DB25F Definition.
RS-530 Cable Definition.
V.35 Cable Definition.
RS-449 Cable Definition.
X.21 (DTE) Cable Definition.
X.21 (DCE) Cable Definition.
G.703 Port, RJ-45 Pin Assignment.
G.703 E1 Cable (RJ-45) Pinout.
Cable Ordering Information.
Technical Inquiry Card.