Grass Valley DHP v.1.1 - Manual (Page 26)

18
DHP Service
Configuration Process
Specifying a channels value allows your NV9000-SE configuration to specify only those channels
that are needed and lets DHP ignore the unspecified channels.
EO Command
This is the “Embedder Off” command. Its syntax is
EO IN ‹input-port›
Use this command to specify that for an input port, the output embedder is bypassed.
Caution: MRC lets you set a “force embedder ON” flag for any router input. For routers using
DHP, all inputs should have this attribute turned off.
Note that the sense of the EO command in DHP (force embedder off ) is the opposite of the
sense in MRC (force embedder on).
For any ASI input ports, issue the EO command for the port in the HybridPorts file.
VO Command
This is the “Video Only” command. Its syntax is
VO OUT ‹output-port›
Use this command to specify that an output port does not embed any audio from the router’s
audio crosspoint matrix, but emits only video (with its own embedded audio if it had any).
For any ASI output ports, issue the VO command for the port in the HybridPorts file.
TL command
This is the “Tieline” command. Its syntax is
TL ‹port-type› ‹port› where ‹port-type› is IN or OUT
Use this command to specify that a port (an input or an output) belongs to a tieline.
Software Interface
The DHP service communicates with the hybrid router (over Ethernet) using the NVISION Router
Protocol, also known as protocol C. Its message syntax can be found in Grass Valley’s NP0016-00
protocol document.
The DHP service communicates with the NV9000 using NV9000 Ethernet Control Protocol, also
known as protocol E. Its message syntax can be found in the NP0017-00 document.
All this is internal to the NV9000 and not germane to configuration or operation.
Note that no special cabling is required.
More in NV9000-SE Utilities
Whether you are adding DHP to an existing system or you are creating a new system that has
DHP, you should observe these points in your NV9000 configuration.