FRI303 - Operation and Maintenance Instruction Manual
2.2
P.S. = Power Supply
OPTICAL ISOLATION
P.S.
LOAD 2
FUSE
9
10
MODEM
RAM
FLASH
FIRMWARE
DOWNLOAD
INTERFACE
FACTORY
RESET
CPU
EEPROM
POWER
SUPPLY
SIGNAL
SHAPING
1+
2-
INTERFACE 2
INTERFACE 1
3
4
5
6
P.S.
LOAD 1
FUSE
7
8
Figure 2.1 –
FRI303 Block Diagram
NOTE
When the
FRI303
has a N.O. relay and a N.C. relay, the N.O. relay is connected to terminals 7-8 and the N.C.
relay in the terminals 9-10.
Содержание FRI303
Страница 1: ......
Страница 2: ......
Страница 14: ...FRI303 Operation and Maintenance Instruction Manual 1 8 Figure 1 11 Bus Topology Figure 1 12 Tree Topology ...
Страница 16: ...FRI303 Operation and Maintenance Instruction Manual 1 10 ...
Страница 34: ...FRI303 Operation and Maintenance Instruction Manual 5 4 ...