
C
HEETAH
S
ERIES
S
WITCHERS
–
C
HAPTER
5
81-9059-0570-0
Rev. C
Proprietary Information of
PESA
S
WITCHING
S
YSTEMS
,
I
NC
.
37
5.9
C
HEETAH
128
X
128
C
HASSIS
M
ATRIX
B
ACKPLANE
D
IPSWITCH
L
OCATIONS
The matrix backplane has one, eight-position, slide-style switch consisting of eight, single-pole single-
throw (SPST) switches numbered 1 through 8. Figure 12 depicts the location of this switch with the
matrix cards removed and the dipswitch settings.
These dipswitches are preset at the factory. Do not change the settings!
88888888
M ATRIX FRAM E CONTROLLER
COM MUNICATI
ONS
R
X
R
X
LN
K
VT
2
TX
PR
C
R
X
T
X
SCRO
LL
RES ET
ACTIVE
TX
42
2
AC
T
NE
T
VT
1
+2
8
+5
+3
CONTROL
S TATUS
GN
D
+5V +BA TTERY
RU
N
ACTIVE
BA TTERY
RESE
T
MODE
ACTI
VE
STAND
BY
GN
D
+5V +BA TTERY
RU
N
ACTIVE
BA TTERY
RESE
T
MODE
ACTI
VE
STAND
BY
88888888
M ATRIX FRAM E CONTROLLER
COM MUNICATI
ONS
R
X
R
X
LN
K
VT
2
TX
PR
C
R
X
T
X
SCRO
LL
RES ET
ACTIVE
TX
42
2
AC
T
NE
T
VT
1
+2
8
+5
+3
CONTROL
S TATUS
PS600
PW R
OK
ALERT
+28
V
GND
PS600
PW R
OK
ALERT
+28
V
GND
P S600
P WR
OK
A LERT
+28
V
GND
PS600
P WR
OK
A LERT
+28
V
GND
O
N
O
F
F
0
1
1
2
3
4
5
6
7
8
S
1
SP A
RE
OUTP
UT
INP
UT
OFF
ON
1 2 3 4 5 6 7 8
Spares
FIGURE 12: 128x128 Matrix Backplane Dipswitch Location And Settings (Viewed From The
Front Of The Frame)
Содержание Cheetah 1024x256
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