2-21 (E)
MAV-555
2-3-8. TM-40 Board
Side A (Component side)
Switches
Ref. No. Address
Name
Function
Factory setting
S401
(G-1)
Reset switch
Initializes the software.
–––
S402
(F-1)
Mode selector
Sets the operation mode.
switch
S402-1 :
Not used.
S402-2 :
Not used.
S402-3 :
Not used.
S402-4 :
Not used.
S402-5 :
Sets the DIAG mode.
OFF: Normal operation mode
ON: DIAG mode
S402-6, 7 : Selects the CPU startup mode.
6
7
OFF OFF : Normal operation
mode
ON
OFF : TFTP server mode
OFF ON :
HOST debugging
mode
ON
ON :
Configuration mode
S402-8 :
Not used.
S403
(G-1)
Reset switch
Initializes the hardware.
–––
LEDs
Ref. No.
Address Color
Name
Function
Normal condition
D800
(D-1)
Green
TX
Lights up while sending data.
_
D801
(D-1)
Green
RX
Lights up while receiving data.
_
D802
(D-1)
Green
COLLISION
Lights up when data collision occurs.
Lights off
D901
(C-1)
Green
TIME SLOT
OFF : 4 cycles
_
CYCLE
ON : 6 cycles
D902
(C-1)
Green
DPM INT
Lights up when the DPM interrupt occurs.
_
D903
(C-1)
Green
LOCK
Lights up when the internal SG locks.
Lights up
D904
(C-1)
Green
REFERENCE IN
Lights up when the input reference is
Lights up
detected.
D905
(C-1)
Green
TIME SLOT
The present time slot number lights up.
_
D906
(C-1)
Green
TIME SLOT
The present time slot number lights up.
_
D907
(D-1)
Green
TIME SLOT
The present time slot number lights up.
_
D908
(D-1)
Green
NT/PAL
Lights up during PAL mode.
_
4
A
B
C
D
E
F
G
H
1
2
3
D901 D902 D903 D904 D905 D906 D907 D908
S401 S403
S402
D800 D801 D802
ON
1
2
3 4
5 6 7 8
2-3. Description of Internal Switches and Indicators
