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Installation and Configuration
User Signals
32
Operating Manual for RS-232 for XT/HPD Series Power Supply
Figure 2.6
J7 User Signal Connector Circuit Block Diagram
J7 Cable
Connection
Use a standard 8-position RJ45 connector and data cable to connect to J7. Add a
ferrite block to reduce radiated emission. The one inch square ferrite block with
built-in housing clip is packaged and shipped with the power supply interface card.
To install the ferrite block:
1. Position the block no more than 5 cm (2 in.) from the power supply end of the
J7 user cable.
2. Open the ferrite block housing.
3. Loop the cable through the ferrite block. See Figure 2.7, “J7 User Cable with
Ferrite Block” on page 33.
4. Close the housing clip.
The ferrite block ensures that the power supply system meets radiated emission
requirement 89/336/EEC for CE mark approval. See the power supply's operating
manual for noise specifications.
J7- 12
MCT6
U74
1
2
3
4
5
6
7
8
10k
R61
1
5
A
K
B
E
C
4N35
U72
1
2
4
5
6
10k
R61
1
6
J7- 6
J7- 3
MCT6
U73
1
2
3
4
5
6
7
8
R96
5
6
R96
1
2
R96
9
10
R96
7
8
511
R63
10k
R61
1
4
10k
R61
1
3
10k
R61
1
2
R96
3
4
J7- 11
J7- 2
J7- 7
J7- 4
J7- 8
J7- 5
A
K B
E
C
4N35
U75
1
2
4
5
6
CR62
J7- 1
AUXB
FAULT
ISOLATION
SHUTDOWN
EXT_VCC
EXT_GND
POLARITY
AUXA
VCCS
VCCS
/E
/D
/C
/B
/A
/B
/A
/E
/C
Summary of Contents for RS232-HPD
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