User Guide: Technical Reference
SECTION 1
ioLink 4
PRODUCT DESCRIPTION
PRELIMINARY
Customer Support (202) 333-7031
1-2
IF Cable
(LINE OF SIGHT LINK)
Antenna
2 ft. to 8 ft. Diameter
IF Cable
User
Equipment
Full-Duplex
Spread Spectrum
Communication Link
RF Unit
RF Unit
RF Cable
RF Cable
Modem
Unit
Modem
Unit
One communications link consists of one
ioLink 4
terminal (RF Unit, Modem Unit, Antenna, and Cables)
installed at each end of the line-of-sight link. The
ioLink4
link provides four E1 or T1 connections.
1.2 Advanced Features
The
ioLink 4
system includes several unique features:
•
Performance
monitoring
•
Diagnostic
testing
•
Ability to place multiple links in the same area without interference.
These advanced features allow the user to keep the link up and running with little effort while giving the
user a powerful set of diagnostics and statistics to detect or troubleshoot potential problems.
1.2.1 Performance
Monitoring
Performance monitoring is an important quality control tool. The various statistics the user can obtain
from the front panel menus or via a PC can inform how the system is performing. Even though the link is
functioning properly, the ability to keep track of link performance allows the user to see changes in the
link, which may degrade communications over time.
The
ioLink 4
wireless system is fully compliant with the simple network management protocol (SNMP)
and provides the user with a performance monitoring system. The system allows the user or system
Figure 1-1. Typical Link Setup
Destination
User
Source
