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Installation
2-133000-A2-GB41-40 May 1998
3. If you have one input power cable and one
–48 Vdc power source, plug the input power cable
to either the –48VDC A connector or the
–48VDC B connector. See Figure 2-5. (The
option strap settings for this power option are
listed in Table 2-4.)
If you have two input power cables and one
–48 Vdc power source, plug one input power
cable to the –48VDC A connector and the second
input power cable to the –48VDC B connector.
Then, connect both input power cables to your
single –48 Vdc power source. See Figure 2-7.
(The option strap settings for this power option are
listed in Table 2-5.)
If you have two power cables and two separate
–48 Vdc power sources (e.g., Source A and
Source B), plug one input cable from a –48 Vdc
power source (e.g., Source A) to the –48VDC A
connector. Plug an input power cable from a
different –48 Vdc power source (e.g., Source B)
to the –48VDC B connector. See Figure 2-6. (The
option strap settings for this power option are
listed in Table 2-5.)
496-13675-01
–48 Vdc Power
Source A
–48V GRD
Ground Return
Optional
Fuse
–48 Vdc B
–48 Vdc A
AMP
Connectors
–48 Vdc Power
Source B
–48V GRD
Ground Return
Optional
Fuse
–48V
–48V
Figure 2-6. Using Two Separate Power Sources for Independent Mode or Redundant Mode