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BRU3 MANUAL
BRU3 MANUAL, Doc.no: 155 16-ANNA 805 08 Uen, Rev H, 2003-02-07
4
Modem Equipment
There are three alternative line interfaces for connection to a MOX:
•
telephone modem V.32
•
balanced serial interface V.24/V.11 (RS422)
•
unbalanced serial interface V.24/V.28 (RS232)
Figure 3
Line interface block diagram.
V24/V28
V24/V11
DAA
Adaptation
Board
Console/
Boot Source
Select
9
16
2+4
2+3
Boot Source Select
Console
To Modem
Select V11
Select V24
Select V28
25 pol
D-sub
9 pol
D-sub
9 pol
D-sub
8/LZEA 801 350
Filter and OVP
