MULTISERVER 500
78
CAUTION!
Observe standard industry practices
concerning the handling of static-
sensitive electronic components. Use
suitable grounding for the unit, in your
work area, and on your person.
D.1 Removing the Top Cover
Items used to configure the interface types are
located on the top module and are accessible when
the top cover is removed. The top cover is fastened
by four screws, two on each side. Remove and save
the four screws, using a number 1 or number 2
Phillips-head screwdriver; then lift off the cover.
See Figure D-1.
D.2 Configuring the Interfaces
Composite Interface
Table D-1 is a configuration matrix for the
composite interface. The column headings in
Table D-1 relate to items highlighted in Figure D-2.
To configure an interface type, first consult Table D-
1 to determine the requirements for that interface.
Then, find the locations of the items associated with
that interface and install (or remove) as necessary.
For example, to configure the composite
interface for V.35, move down the Interface Type
column in Table D-1 to V.35, and check all columns
along that row. You will note that the Model
MX410C-V.35 daughterboard must be installed,
headers X3 and X4 must be removed, and jumper
E11 and E4 must be installed on pins 1-2. You will
also find that the interface cable number required
for this interface is EHN070.
Finally, install or remove the applicable items,
using Figure D-1 as a guide.
Data Channel Interface
Table D-1. List of Configuration Items for the Composite Interface
Interface
Daughterboard
Cable
Headers
Jumper
Jumper
Type
A
B
X3 and X4
E11
E4
RS-232
None
EZ423
Installed
Installed
Installed
crossover
on pins
on pins
2-3
1-2
V.35
Model
EHN070
Removed
Installed
Installed
MX410C-V.35
crossover
on pins
on pins
1-2
1-2
RS-530
Model
EHN077-005M
Removed
Installed
Installed
MX410C-422
crossover
on pins
on pins
2-3
1-2
RS-449
Model
EHN075-005M
Removed
Installed
Installed
MX410C-422
crossover
on pins
on pins
2-3
1-2
X.21
Model
EHN073-005M
Removed
Installed
Installed
MX410C-422
crossover
on pins
on pins
2-3
2-3