BRU3 LOGIC AND RADIO SYSTEM
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BRU3 MANUAL, Doc.no: 155 16-ANNA 805 08 Uen, Rev H, 2003-02-07
The choice between telephone modem, balanced serial interface and
unbalanced serial interface, is made by setting Switch 2 (SW2) as follows. To
locate Switch 2, please refer to FE Computer Board - FCB in the BRU3
Mechanical Design section.
Data communication between a base station and an area exchange (MOX) is
using data connections with a X.25 protocol.
X.25 protocol can use either a leased line or a packet switched data network.
Switch 2
SW2:1
SW2:2
SW2:3
Comments
Open or closed
Open
Open
V.32bis
Open
Open
Closed
V.28 (RS232)
Closed
Open
Closed
V.11 (RS422)
Other alternatives not allowed.
SW2:4
Comments
Open
OEM Strap