User`s manual

154
BHT-700BB-CE/700BWB-CE/700BWBG-CE
Pin. No. Signal Name Function
Signal Direction
CU-733 ↔ External Device
2 RD Receipt data ←
3 SD Transmission data →
4 ER
Data terminal ready →
5 SG
Signal ground —
6 DR
Data set ready —
7 RS Transmission request —
8 CS Transmission ready —
The input/output level for the signal voltage is shown in the table below.
Signal Input Voltage Output Voltage
0 3 V ≤ n ≤ 15 V 5 V or higher
1 -15 V ≤ n ≤ -3 V -5 V or lower
The CU-733 internal wiring is shown below.
USB
The USB interface on the CU-733 is USB1.1 (Full-speed) compliant, with a Type Mini-B receptacle.
CU-733
BHT