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Electro-optical – Grass Valley Thunder 80 v.1.0 User Manual

Page 55

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39

Thunder

User Guide

Remote Contact Activation: .......................... ≤1Vdc

(typically grounded through GPI contacts,

TTL/HCMOS level drive also suitable)

Input Resistance when pulled
to ground (GPI output activated): .............. 5kΩ ±1%

Output Contact Pairs (Pins 13&14)

Contact Format: ................................................ 1 Form A (non-activated condition)

Contact Resistance: .......................................... 100mΩ

Switching Voltage: ........................................... 125Vac, 110Vdc maximum

Contact Rating: .................................................. 2A @ 30Vdc,

0.3A @ 125Vac (resistive load)

Maximum Toggle Rate: ................................... ≈5Hz

Breakdown Voltage:

Between Open Contacts: ......................... 750Vrms for 1minute

Between Contact and Coil: ...................... 1500Vrms for 1 minute

Format Bias Output (Pin 10 on the DB-26 HD Data I/O connector):

Output Voltage: ................................................. 5Vdc ±5%

Output Current Limit: ...................................... 300mAdc maximum

Note: Aside from providing a bias voltage for the data format options, the “Format Bias”
pin also provides a DC voltage source for low power loads that may be switched by the
GPI output contacts, such as LED’s for Tally use etc.

Electro-Optical

Operating Wavelength:

Standard ............................................................... 1300 nm

Others available ................................................. CWDM wavelength 1270-1660nm

TX Laser output power .................................... -6 dBm

RX Sensitivity:

270MB/s ................................................................ -24 dBm

1.5 Gb/s ................................................................. -22 dBm

3.0 Gb/s ................................................................. -20 dBm

Fiber Compatibility................................................. Single Mode only

Distance Limitations: (1.5Gb/s) .......................... 16 db optical loss (30 km, nominal*)

Optical Connector Options: ................................ ST, MX, OpticalCON, SMPTE 304M

* The maximum cable length varies due to optical loss that can depend on cable quality,
dirt/dust/contamination on connectors, and the number of cable connectors.