Looking at a project to connect a remote site (about 8miles) to the main
switched LAN. Currently using a leased E1 (2Mbit/s) but reliability and rising
rental costs making this option no longer viable.
Have two main options direct fibre link or microwave radio.
Fibre sounds nice and easy but would be very expensive to install or lease.
The microwave radio option appears to be the answer but I have no experience of
this type of equipment. We have clear line of sight to the remote site so that
is not an issue.
Equipment I am looking at will provide 8Mbit/s which is fine as performance on
the old E1 was not too much of an issue. It also has normal Layer 2 switch
capability including tagged VLAN support which means it just simply plugs into
the switches at both ends and "bridges" them.
Has anyone any experience good or bad of microwave radio links. I have "heard"
about not working when it rains etc but the supplier is quoting a 99.99%
availabilty which is far better than we ever got on the E1.
As a side question, why do optical line driver suppliers quote
bandwidth/throughput as pps (pulses per second?). e.g 10Mbit/s line driver
quoted as 14800 pps. Is this somthing to do with the line codes that they use.