Cisco VG30D, Руководство пользователя

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A-2
Cisco VG30D Voice Gateway User Guide
OL-19276-01
Appendix A Approvals, Safety Instructions, and Statutory Information
Network Connections
Caution
To avoid electric shock, do not remove covers
Warning This equipment must only be installed and maintained by qualified service personnel.
Network Connections
This apparatus has been approved by the British Approvals Board for Telecommunication under Section
22 of the Telecommunication Act 1984 for connection to the following:
•
Private Circuits at interfaces in the UK compatible with G.703 (75 Ohms) at 2048 kbit/s
or
•
Private Circuits at interfaces compatible with G.703 (120 Ohms) at 2048 kbit/s.
Equipment Port Classification
The ports are classified as follows:
Electrical Safety Compliance
Complies with EN60950-1:2001, IEC60950-1:2000, AS/NZS60950:2000, UL60950-1 1st edition.
EMC Compliance
EMC complies with EN55022:1994 +A1 +A2 and EN55024:1998 +A1 +A2.
Earthing Cable
The units must be installed with an earthing cable in accordance with EN 60950:2000 Clause 6.1.2.2.
This requires a PVC covered earth cable (longitudinal Green and Yellow coloured stripes in accordance
with EN 60950 / IEC60950) and must be connected to the chassis earth stud on the back of the unit.
Name Type
Port 1 TNV1
Port 2 TNV1
Ethernet SELV
Alarm SELV
Craft SELV