Toshiba G1IF1 Instruction Manual page 8

Figure 3.2 (b) shows the connections for G1IF1-02 and -03.
RX
GRL100 Relay
Fibre-optic cable
TX
CLK
Code
Conversion
O/E
Code
Conversion
E/O
E/O
Power on
TX from COM
TX from RELAY
CLK from COM
Figure 3.2 (b) Connection Diagram for G1IF1-02 and G1IF1-03
TB1- 6
TB1-10
TB1-1
FG
TB1-12
+5V
+
TB1-2
ＤＣ／ＤＣ
-
0V
TB1-3
LG
 7 
6 F 2 S 0 7 5 5
TX
TB1- 7
TB1-8
RX
TB1-9
Communication
equipment
G703 1.2.3(1.2.2)
CLK
TB1-11
I/F only
FG1
FG2
P
N