Crocus SHDSL G703.pdf - FTP Directory Listing
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268 Crocus SHDSL G703 Chapter 13 User manual Technical specifications 13.10 Thermal behaviour when providing remote power This section specifically refers to the Crocus SHDSL Card Verions that can be inserted in the CN4 rack, being the central part of the network (with a number of Crocus SHDSL TT ‘s at the remote side). When using remote power, certain limitations apply with regards to the number of Card Versions that can be inserted in the CN4, CN4-4 and CN4-2 rack. Not complying with these rules will result in irreversible damage to the device. The following table gives an overview: Rack CN4-2 Limitations Thermal • Only 1 card allowed that provides remote power. • This card must be inserted in the lowest of both slots where cooling is more efficient. • Ambient temperature must not be higher than 50 °C. Power • DC or AC powering CN4-4 Thermal • Maximum 4 cards that provide remote power are allowed. • Natural cooling of the CN4-4 must be effective : the CN4-4 must be used in an upright position, not lying flat on its side. • Ambient temperature must not be higher than 45 °C. Power • DC or AC powering. • AC powering with 300W PSU. • AC power redundancy is allowed (if 2 AC PSU 's are present). CN4 Thermal • If forced cooling is available, up to 12 cards delivering remote power can be installed. • If only natural cooling is available, maximum 7 cards delivering remote power can be installed, provided that a slot is left free between each card. • Ambient temperature must not be higher than 40 °C. Power • DC or AC powering • AC powering with 2 300W PSU 's. • No AC power redundancy allowed
Crocus SHDSL G703 Chapter 13 269 User manual Technical specifications 13.11 Environmental compliance • Storage conditions: ETSI ETS 300 019-1-1 Class 1.1. In addition, the storage temperature has to be between -25 to +70°C • Transport conditions: ETSI ETS 300 019-1-2 Class 2.3 • Stationary use conditions: ETSI ETS 300 019-1-3 Class 3.2. In addition, the requirements below apply: - relative humidity 0 to 95% non-condensing and ambient operational temperature -10 to 50°C, unless otherwise stated in 13.10 - Thermal behaviour when providing remote power on page 268 • Maximum altitude: 3000m • International protection (IP) class of protection against solid and liquids: IP40
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268 <strong>Crocus</strong> <strong>SHDSL</strong> G703 Chapter 13<br />
User manual<br />
Technical specifications<br />
13.10 Thermal behaviour when providing remote power<br />
This section specifically refers to the <strong>Crocus</strong> <strong>SHDSL</strong> Card Verions that can be inserted in the CN4 rack,<br />
being the central part of the network (with a number of <strong>Crocus</strong> <strong>SHDSL</strong> TT ‘s at the remote side).<br />
When using remote power, certain limitations apply with regards to the number of Card Versions that<br />
can be inserted in the CN4, CN4-4 and CN4-2 rack.<br />
Not complying with these rules will result in irreversible damage to the device.<br />
The following table gives an overview:<br />
Rack<br />
CN4-2<br />
Limitations<br />
Thermal<br />
• Only 1 card allowed that provides remote power.<br />
• This card must be inserted in the lowest of both slots where cooling is<br />
more efficient.<br />
• Ambient temperature must not be higher than 50 °C.<br />
Power<br />
• DC or AC powering<br />
CN4-4<br />
Thermal<br />
• Maximum 4 cards that provide remote power are allowed.<br />
• Natural cooling of the CN4-4 must be effective : the CN4-4 must be used<br />
in an upright position, not lying flat on its side.<br />
• Ambient temperature must not be higher than 45 °C.<br />
Power<br />
• DC or AC powering.<br />
• AC powering with 300W PSU.<br />
• AC power redundancy is allowed (if 2 AC PSU 's are present).<br />
CN4<br />
Thermal<br />
• If forced cooling is available, up to 12 cards delivering remote power can<br />
be installed.<br />
• If only natural cooling is available, maximum 7 cards delivering remote<br />
power can be installed, provided that a slot is left free between each<br />
card.<br />
• Ambient temperature must not be higher than 40 °C.<br />
Power<br />
• DC or AC powering<br />
• AC powering with 2 300W PSU 's.<br />
• No AC power redundancy allowed
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