User Manual

M-Series 24 / 28 rev. 1.2
BI-C Cable
The D-Sub-9 BI-C enables the bi-directional transmission of control data between RS485 connector and Yamaha
HA Remote port. The RS485 Ports 3 and 4 of the connector are used.
Auxiliary Port 4 x RS485
X3...X4: I/Os
D-Sub-9-male
Fastening system 4-40 UNC
COM RS422
X3: R x D
X4: T x D
D-Sub-9-female
Fastening system 4-40 UNC