GV Grass Valley® Contribution Serial Tally Setup

This setup information applies to devices using the GV Grass Valley® Contribution Serial Tally protocol.

Cable Connections

The device connects to the switcher over an RS-422 serial connection to a DB9 port on the switcher.

Table 1. Switcher Cable Connections
Remote Port Periph Port
2 (Rx-) 8 (Rx-)
3 (Tx+) 7 (Tx+)
7 (Rx+) 3 (Rx+)
8 (Tx-) 2 (Tx-)

Switcher Setup

The switcher must be set up to communicate with the serial tally device using either serial or ethernet protocols.

To Set Up Communications

  1. Press HOME > Setup > Installation > Com Setup
  2. Press Type and use the Com Port knob to select the remote port that you want to set up for the device.
  3. Use the Device knob to select Serial Tally.
  4. Press Select Device and use the Device knob to select Contrib.
  5. Press Com Type and use the Type knob to select RS-422.
  6. Press Com Settings and use the Baud and Parity knobs to select 115200 (Baud) and NONE (Parity).
  7. Press Extra Options and use the Option and Value knobs to set the device parameters.
    Option Value
    Rate 26 (default)
    Data Txfr Complete (default)
    Start None (default)
    At Black All Off (default)
    Source Name BNC Name (default)
    Slot 1 - PGM See Slot Settings
    Aux Xpts Off (default)
  8. Press HOME > Confirm.

Slot Settings

Slot 1 Slot 2 Slot 3 Slot PGM
1 ME Switcher 2 3 4 1
2 ME Switcher 3 4 1 2
3 ME Switcher 4 1 2 3
4 ME Switcher 1 2 3 4

Source Assignment

Table 2. Input Source Mapping
Input 8RU Sources 4RU Sources
0 Invalid source message
1-20 BNC B1-B20 BNC D1-D20
21-40 BNC C1-C20 BNC E1-E20
41-60 BNC D1-D20 BNC F1-F20
61-80 BNC F1-F20 n/a
81-92 BNC G1-G12 (G13-G20 unavailable) n/a
93 ME 1 Program
94 ME 1 Clean Feed
95 n/a
96 n/a
97 ME 1 Preview
98 ME 1 Program before Fade To Black
99 ME 2 Program
100 ME 2 Clean Feed
101 n/a
102 n/a
103 ME 2 Preview
104 ME 2 Program before Fade To Black
105 ME 3 Program
106 ME 3 Clean Feed
107 n/a
108 n/a
109 ME 3 Preview
110 ME 3 Program before Fade To Black
111 ME 4 Program
112 ME 4 Clean Feed
113 n/a
114 n/a
115 ME 4 Preview
116 ME 4 Program before Fade To Black
117 n/a
118 Black
119 Background 1
120 Background 2
121 Global-Store 1
122 Global-Store 2
123 Global-Store 3
124 n/a
125 ME-Store 1
126 ME-Store 2
127 ME-Store 3
128 ME-Store 4
Table 3. Output Source Mapping
Output 8RU Outputs 4RU Outputs
0 Invalid output message
1-4 Aux Bus 1:1-1:4
5 Program ME Program Output (including MultiDSK)
6 Program ME Preview Output
7 Program ME Clean Feed Output
8-11 Aux Bus 1:5-1:8
12-19 Aux Bus 2:1-2:8
20-27 Aux Bus 3:1-3:8
28-35 Aux Bus 4:1-4:8
36-43 Aux Bus 5:1-5:8
44-48 Aux Bus 6:1-6:6 (6:7-6:8 unavailable)