User Manual

AirLink Pro T1/E1 Rack Mount Installer’s Guide
Product Description
Rev. B - 1/97
1-3
Features and Capabilities
The AirLink Pro T1/E1 Rack Mount supports a range of sophisticated control
capabilities and options, including:
❚ Remote control of far-end
❚ Built-In Testing Equipment (BITE)
❚ Flexible, interactive user interface through an ASCII terminal
❚ Easily modified configuration parameters
❚ Local and remote monitoring, diagnostic, and maintenance capabilities
❚ Separate end-to-end communication channel for control and order wire
signals. Control signals and order wire voice signals do not disturb the T1
channel
❚ Every radio-frequency (RF) burst verified by an error-checking algorithm
The AirLink Pro T1 and E1 are similar radio units with minor differences in
their internal structures. These are:
❚ The AirLink Pro T1 and E1 have different internal clock oscillators
❚ The AirLink Pro T1 supports the Bipolar with 8-Zero Substitution (B8ZS)
coding format
❚ The AirLink Pro E1 supports the High Density Bipolar 3 (HDB3)
coding format
❚ The AirLink Pro E1 allows an electrical-interface option between Balanced
and Unbalanced
❚ The AirLink Pro T1 operates at 1.544 Mbps and the E1 at 2.048 Mbps
❚ The operating range between two AirLink Pro T1 units is up to 40 km and
that of two E1 units is 35 km
In a typical installation, an AirLink Pro T1 or E1 pair is installed between a
user’s communication facility—Data Circuit Equipment (DCE) or network—and
the Data Terminating Equipment (DTE). Figure 1-2 shows the AirLink Pro
T1/E1 Rack Mount in a typical operating environment.