Grass Valley TTV 1707 - Manuel (Page 115)

Chapter 1 - Specifications 115
Principal characteristics
THOMSON TTV1707 / CCU DT500
User manual
B1707M00LD
September 2000
1.1.4 - Length of the triaxial cable Camera/Channel Control Unit
The cable length under-mentioned refer to a cable without adapter
Functions ensured according the length of the triaxial cable Camera/Channel:
• x to x metres: Type B triaxial cable (diameter 13 mm)
For example: Belden 9232 dia. 13.2 mm cable, attenuation: 3.9 dB/100 metres at
60 MHz
• (x to x metres): Type A triaxial cable (diameter 9 mm)
"RET.1" VIDEO AND "PROMPTER/RET.2" VIDEO:
• Operation of the return videos 1 (“RET.1”) and 2 (“PROMPTER/RET.2”) is ensured
with a maximum triaxial cable length detailed in the previous table.
• The return video 2 (“PROMPTER/RET.2”) is available only if the “PROMPTER”
option is fitted to the camera.
PROMPTER SUPPLY EXTERNAL DC/DC CONVERTER:
• The 48 V 13 V or 48 V 24 V (50 W) DC/DC converters are provided as an option.
• The maximum power (50W) produced by the external converter connected on the
camera "DC OUT"is ensured with a maximum triaxial cable length detailed in the
previous table.
Triaxial cable
length
Camera Video
Audios
RET1 Video
PROMPTER/RE
T2 Video
PROMPTER
CONVERTER
DC/DC=50W
0 to 150 metres
(0 to 90 metres)
X X X X
150 to 400 metres
(90 to 240 metres)
X X
400 to 500 metres
(240 to 300 metres)
X