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DM240-DVB High-Speed Digital Modulator
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14 - 18
39 – 43
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20 - 23
45 - 48
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5.15 Plug-In Interface Cards (PIICs)
If the customer orders a unit configured for use with PIICs (Figure 5-4), greater flexibility for
changing and upgrading the terrestrial interface will be available. Each of the interfaces
described below consists of a single card with a metal back plate. Each interface can be plugged
into one of three slots on the rear of the unit.
To insert the PIIC, slide the card completely into the appropriate slot (1, 2, or 3) ensuring that it
lines up with the alignment slots. When the PIIC is fully seated, tighten the two screws hand tight.
5.15.1 ASI PIIC
This interface supports two terrestrial interface types.
TM083 – Rev. 3.0
35
LA
36
SD
37
LB
38
SG
5 Ancillary to
DCE
44
SG
4 Ancillary
from DCE
49
TM
Figure 5-4. Typical PIIC
Rear Panel Interfaces
Loopback Circuit A
Send Data
Loopback Circuit B
Signal Ground
Reserved
Signal Ground
Reserved
Test Mode
Input
Input
Input
---
Input
---
Output
Output-
5-11
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