Toshiba G1IF1 Instruction Manual page 17

Dimensions and Connections
RX
TX
ＴＯＳＨＩＢＡ
1
Power
TX from COM
TX from RELAY
CLK from COM
12
168
180
156
SPARE
X.21
CLK
For G1IF1-01, and
G1IF1-04 only
 16 
2- Φ5
ＴＢ１
130 195
66
6 F 2 S 0 7 5 5
2-5×9