
Adding a node 14-25
Two- to three-node expansion (shadowed)
Standard 1.0 Modular Option EC Installation and Maintenance Guide November 1999
8 If you plan to have more than 24 ports, install a second network
loop cable from the Meridian 1 switch to the J5 connector on
the backplane of module MM0. See Chapter 11, “Installing the
Meridian Mail to PBX interface,” for details.
Intermodule cabling for a two-module system
9 Perform diagnostics as follows:
a. Check that the main administration terminal is connected to
node 1.
b. Power up module MM0 and observe the node 1 bootup
messages on the terminal and the hexadecimal display on
node 1’s Enhanced MMP40 board.
c. If the terminal output or the hexadecimal display does not
follow the normal bootup sequence described in Chapter 17,
“Troubleshooting operational problems,” then go to that
chapter for troubleshooting procedures.
d. Power off module MM0.
Step Action
Module
MM0
Module
MM1
Rear view of modules
B. Two utility cards (modules MM0, MM1)A. One utility card (module MM0 only)
Meridian Mail 2-module system
Terminator
External voice bus cabling
S7 S5
1
0
I/O
I/O
S7 S5
1
0
0
I/O
1
I/O
Module
MM0
Module
MM1
Rear view of modules
S7 S5
1
0
0
I/O
1
I/O
S7 S5
1
0
0
I/O
1
I/O
G100081
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