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Appendix D: Micro-CS Upgrade Installation
The configuration of your Micro-CS will determine how the jumpers
should be set. Table E-1 shows possible configurations and jumper
positions.
Jumper
Position
1-2
J2
2-3
1-2
J10
2-3
J16
1-2
J18
2-3
1-2
J25
2-3
D.3
REQUIRED TOOLS
The only required tool is a phillips screwdriver.
D-2
Table 4-1 Jumper Configuration
Description
SIMM upgrade has been installed
SIMMs are not present
Modem card is not installed
Modem is installed
No jumper should be present. DO NOT use jumper.
Installed SIMMs are 4Mx8
Installed SIMMs are 1Mx8, OR if no SIMMS are
present
Modem uses ROM for configuration data The
modem uses Power On and ATZ Reset Software
factory default settings from read only memory
(ROM). If the user uses the modem's dial security
password (not recommended) and forgets the
password, then this jumper setting is used to regain
access to the modem, and then change the
password.
Modem uses NVRAM for configuration data
(default)The modem uses Power On and ATZ
Reset Software defaults from the user configurable
nonvolatile memory (NVRAM). This is the default
and preferred setting which allows normal
operation of the Micro-CS
Micro-CS Installation Guide
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