Sony HDWM2000/20 Operation Manual page 9

Remote control function
This unit can be controlled from an external remote
controller or editor through an interface complying
with RS-422A (serial 9-pin). Since two remote control
connectors are provided, you can also control a
number of VTRs simultaneously.
Additionally, a parallel (50-pin) interface is also fitted
as standard, supporting easy external control through
the parallel interface.
Rack mounting
Using the optional RMM-131 Rack Mount Adaptor,
you can mount the unit in a standard EIA 19-inch rack.
For details of rack mounting, refer to the Installation
Manual.
1-3
Chapter 1 Overview