User guide

176 RealCT Direct API Developer Guide
Chapter 5: MVIP-90
If one network board transmits on the DSix stream and receives
on the DSox stream (the conventional direction), then the other
network board must transmit on the DSox stream and receive
on the DSix stream, as Figure 33 shows. In this configuration,
the boards can connect two lines through the MVIP bus.
Figure 33. A Drop and Insert Connection
In Figure 33, the RTNI-ATSI board uses the streams in the
reverse direction. When you call SET_OUTPUT to make a
full-duplex connection between the input stream (DSi0) and the
internal resource, you would use the stream reference number 8
for InputSlot, as Table 28 shows. The higher of the two stream
numbers applies when you use a stream in the reverse direction.
Again, since input and output are in reference to the resource
boards, a network board using a DSi stream as input is using
the stream in the reverse direction.
Make the connection shown in Figure 33 as follows:
ATSI board
SET_OUTPUT (INPUT {16,3}
OUTPUT {8,0})
SET_OUTPUT (INPUT {8,0}
OUTPUT {16,3})
T1 board
SET_OUTPUT (INPUT {16,0}
OUTPUT {0,0})
SET_OUTPUT (INPUT {0,0}
OUTPUT {16,0})
Trunk 0
Local Stream 16
RTNI-2T1
RTNI ATSI
DSi0
DSo0
External
Lines
(0, 0)
(, 0) 16
() 16, 0
(0, 0)
Local Stream 16
(8, 0)
(16 3
, )
(16, 3)
(8, 0)