User's Manual

5.8GHz PDH User’s Manual
10
5. Interface
5.1 Rear panel
E1 interface may be of 75ΩBNC interface or 120ΩRJ-45 interface. User’s can flexibly
choose between these two.
Beside the standard E1 interface, the equipment also provide V.11, V.28, service, monitor,
computer signal communicating data port, loopback test port, etc. This provides the
subscribers to conveniently fully monitor the controlling room through this equipment. For
instance, from the central controlling room, we can get the information regarding the
temperature of the mounting machine, room temperature, fire alarm, power supply, etc.
and also from the central computer, we can monitor different functions such as light
switches, oil switches etc. This makes the realization of an overall intelligent management
of an unguarded station possible. This equipment has 8 input modes that is optically
isolated, plus 4 power relay output mode.
5.2 Front panel
5.2.1 Public telephone
Public telephone plays a significant role in this kind of communication or in areas with one
and only communication means as in microwave equipment’s application in mountainous
areas and underdeveloped areas. Other than possessing the function of selective calling,
entire calling etc. it also has the following most distinguishing features: whole tone service
like dial tone, engage tone, out-of-order tone etc. Users do not feel much difference in
using public phone from local call center service because it is very user-friendly and fits all
the demands of different users. Network management software is used to set up the public
telephone numbers from the local station.
Dial tone: When dialing from the local station, you’ll hear the same dial tone as any general
telephones
Engage tone: The repeating ring tone is 2±0.2s ring and 4±0.4s break
Ring tone: Same as the engage tone