
3006M100-002
4-1
4
DATA EXPANSION MODULE
The Data Expansion Module (DEM) supplies 3 Serial Communication Controllers
(SCCs) and other intelligence to ports on cards mounted in slots 5 and 6, as well
as to an optional V.24 port that it can provide over a ribbon cable.
The DEM must be used when serial I/O cards associated with slots 5 and 6 ar
required. This includes the Multi I/O, EIA-232/V24 I/O, V.35H I/O, V.35EU I/O,
X.21 I/O, V.34 Modem or the 56K CSU/DSU.
Summary of Contents for CX900e
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