Table of Contents
Cisco 678 Specifications
- 5.0 in x 6.2 in x 1.75 in (12.7 cm x 15.7 cm x 4.5 cm)
- RJ-45 connector, 10Base-T/100Base-TX Ethernet, half/full-duplex, compliant with IEEE 802.3 and 802.3u
- RJ-45 connector
- Baud rate: 9600 to 38400 Kbps
- Data bits: 8
- Parity: none
- Stop bits: 1
- Flow control: none
- Temperature: 32º to 104º F (0º to 40ºC)
- Humidity: 5 to 90% (non-condensing)
Table B-1 shows the DMT Issue 2 Rate Adaptive DSL transmission specifications for the Cisco 678.
Table B-1: DMT Issue 2 Transmission Specifications
| Specification
| Downstream
| Upstream
|
Maximum Transmit Power
| -40 dBm/Hz
| -38 dBm/Hz
|
Rate at 5000 ft
| 8032 kbps
| 864 kbps
|
Spectrum
| 138-1104 KHz
| 26-138 KHz
|
Bandwidth
| 966 KHz
| 112 KHz
|
The follow list defines all regulatory approvals:
- FCC Part 15---United States Federal Communications Commission Part 15, Subpart B
- CSA Std. C108.8---EMC (Industry Canada, Radio Interference Regulations, Issue 2) Canadian Standard C108.8
- VCCI---Agreement of Voluntary Control Council for Interference by Information Technology Equipment (VCCI Japan)
- AS/NZS 3548---EMI (Australia), Spectrum Management Association
- EN55022: CISPR 22---Limits and methods of measurement of radio interference characteristics of information technology equipment.
- EN50081-1---Electromagnetic compatibility---Generic emission standard, Part 1: Residential, commercial and light industry
- CNS 13438---EMI Standard (Taiwan) regulated by BCIQ Agency
- UL 3rd Edition
- TUV per EN60950/IEC950 Amendment 4
- CE Marked for EMC and Safety
This equipment has been tested and found to comply with the limits for a class B digital device, pursuant to part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation.
If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures.
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
This Class B digital apparatus meets all requirements of the Canadian Interference-Causing Equipment Regulations.
Cet appareil numérique de la classe B respecte toutes les exigences du Règlement sure le matériel brouilleur du Canada.







Posted: Tue Feb 15 19:11:32 PST 2000
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