8
3-2. How to Replace a Card (if only one card installed)
The following procedure shows how to replace the CPU1 card with a new one (MFR-61CPU).
IMPORTANT
Do not touch any components on the MFR-61CPU to protect it from electrostatic damage.
(1) Turn off the power supply switches of the
MFR-6100 unit.
(2) Unfasten four fixing screws on the front panel and
detach the front panel.
(3) Detach the cables from CPU1 MFR-LAN and PC-
LAN.
(4) Loosen the fixing screw on the CPU1 card.
(5) Grab the CPU1 card handle and slowly remove
(pull out) the card.
(6) Insert a new CPU card firmly into the slot.
(7) Tighten the fixing screw on the CPU card.
(8) Turn on the power supply switches of the MFR-6100
unit.
(9) Check that CPU1 LED is lit.
(10) Re-connect LAN cables detached in Step (3) into the CPU1 MFR-LAN and PC-LAN
connection ports.
(11) Re-install the front panel.
The card replacement is now complete.
CPU1 card
(4)
(9)
SLOT
INPUT
OUTPUT
INPUT
9 10 11 12 9 10 11 12 13 14 15 16 13 14 15 16
MFR-6100
A
C
1
0
0
-2
4
0
V
5
0
/6
0
H
z
IN
A
C
1
0
0
-2
4
0
V
5
0
/6
0
H
z
IN
1
2
INPUT
232C
422
SERIAL
REF IN
ALARM
CPU2
MFR-LAN
PC-LAN
FAN 6
CPU1
MFR-LAN
PC-LAN
FAN 5
INPUT
1
2
3
4
1
9
8
7
6
5
4
3
2
1
1
1
2
2
2
3
3
3
4
4
4
5
5
5
6
6
6
7
7
7
8
8
8
9
9
9
OUTPUT
1
2
3
4
5
6
7
8
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
3
3
3
3
3
3
3
3
4
4
4
4
4
4
4
4
5
5
5
5
5
5
5
5
6
6
6
6
6
6
6
6
7
7
7
7
7
7
7
7
8
8
8
8
8
8
8
8
9
9
9
9
9
9
9
9
INPUT
5
6
7
8
SLOT
INPUT
OUTPUT
INPUT
1 2 3 4 1
2 3
4 5
6
7 8 5
6 7 8
1
1
1
1
2
2
2
2
3
3
3
3
4
4
4
4
5
5
5
5
6
6
6
6
7
7
7
7
8
8
8
8
9
9
9
9
FAN 1
FAN 2
FAN 3
FAN 4
INPUT
OUTPUT
9
10
11
12
9
10
11
12
13
14
15
16
13
14
15
16
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
8
9
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
(1)
