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C1552M-C (7/07) 35
Alternate CM6800 Connection
NOTE: This option is recommended only if you choose not to use the CM6800-MGR software to program the CM6800.
1. Using a null modem cable (user-supplied), plug one end into the DB9 COM 1 port on the VMX300(-E).
2. Plug the other end of the cable into the DB9 COM 1 port on the CM6800 switcher.
Figure 33. CM6800 DB9 Connections
1
2
3
4
5
6
7
8
120/230~
50/60HZ
25WATTS
12345678
CONTROL
AT
+
T
-
R
+
R
-
T
+
T
-
R
+
R
-
B
1
2
F
3
1
010101
VMX300/VMX300-E CM6800E-48X8
NULL MODEM CABLE