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Chapter 2. Installation
6 = 6 B C
HANNELS
7 = 7 B C
HANNELS
8 = 8 B C
HANNELS
If no suffix is used, the call is placed using the values configured for
the ISU 512e. For example, if the ISU 512e is configured for 384K, the
dial string 7082906055 is the same as 7082906055#4#6.
If the C
R
suffix is used, the C
HANNEL
ATE
However, the C
HANNEL
C
T
. For example, if the ISU 512e is configured for 384K C
ALL
YPE
T
, only the #3 suffix is required to change the C
YPE
The dial string 7082906055#3 is the same as 7082906055#3#6.
SOFTWARE UPDATE
There are three methods available for updating ISU 512e software. The
local method involves using the maintenance port and is described in
this section. The other two methods are described in RDL Password
(Remote Download) on page 6-11 and in Utilities/Upgrade on page 6-20.
The ISU 512e contains Flash memory allowing the software to be up-
dated using any PC with an EIA232 COM port and a communication
package supporting XMODEM protocol. After obtaining a new code
file with the extension (.bin) from Technical Support (see the last page
of this manual), use the following procedure to update the software:
Ensure the terminal software package has flow control
turned off.
1.
Power the ISU 512e OFF.
2.
Connect the PC to the ISU 512e using a standard DB-25 cable con-
nected from the EIA232 MAINT PORT on the rear panel of the
ISU 512e to the COM port on the PC.
2-4
(6
56
, 6
64
) BONDING
X
K
X
K
(7
56
, 7
64
) BONDING
X
K
X
K
(8
56
, 8
64
) BONDING
X
K
X
K
T
ALL
R
is not required to make changes to the
ATE
ISU 512e User Manual
MPPP
OR
MPPP
OR
MPPP
OR
suffix is required.
YPE
ALL
T
to 336K.
ALL
YPE
61203086L1-1
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