Belden grass valley IQH3B Series, User Manual

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A serial device attached to a single IQ rack has access to all devices on the RollCall network.
The serial port can also be used for third party connections into the system. This allows PCs or
any other serial device access to any of the units within the system. Please consult Grass Valley
for details of the port binary protocol.
The serial port supports speeds up to 115.2 kbps. The RollCall PC software is limited to
57.6 kbps.
Ethernet Connection
This interface allows the 3U enclosure to be connected to a 10/100base T Ethernet network.
PCs can then connect to the 3U box via TCP/IP.
An Ethernet device connected to a single IQ rack has access to all devices on the RollCall
network. This interface can be used to connect a PC running the RollCall software.
A PC can control multiple RollCall networks by connecting via RollProxy.
3U Box
RS422 Bus
75 Ohm Network
3U Box
Computer
75 Ohm Network
3U Box Computer
3U Box 3U Box
Ethernet
Infrastructure