Cobalt Digital Inc 3G Fusion 9931-EMDE Product Manual page 34

1
Table 1-4 Technical Specifications — continued
Item
Serial Ports
GPI Ports
GPO Ports
1-30
Two ports, each 3-wire RS-485 using Phoenix connectors with
removable screw terminal blocks (Phoenix PN 1803581; Cobalt PN
5000-0013-000R)
Rx Functions:
Closed captioning input, Dolby
Tx Functions:
Closed captioning output, Dolby
Two opto-isolated ports with self-sourcing current on 3-wire (IN 1, IN 2,
GND) Phoenix connector with removable screw terminal blocks
(Phoenix PN 1803581; Cobalt PN 5000-0013-000R)
Triggering:
User-configurable. GPI activation invokes a selected user preset.
Response:
GPI acknowledge upon falling-edge input triggered
by R ≤ 10 kΩ (or Vin ≤ 2.0 V)
GPI release upon rising-edge input triggered
by R ≥ 10 kΩ (or Vin ≥ 2.0 V)
"G" (GND) terminal at chassis-ground potential
Suitable for use with 3.3V LVCMOS logic
Maximum Recommended Logic Control Voltage Range:
0 to 5 VDC
Two, independent non-referenced (floating) SPST relay closure
indicating input path selected (either via manual or failover selection).
GPO can be selected to trigger upon engagement of a specified user
preset.
Response:
Closure effected for duration of true status condition; closure release
upon false status condition
Maximum Recommended Voltage / Current:
12 VDC @ 100mA max.
Connector: 4-terminal Phoenix; GPO1/GPO1C / GPO2/GPO2C
9931-EMDE PRODUCT MANUAL
Technical Specifications
Characteristic
®
metadata input, RS-485 LTC IN
®
metadata output, RS-485 LTC OUT
9931-EMDE-OM (V1.17)