3Com NBX Communications System Planning Guide
6
Preliminary Information
Number of telephones installed on current telephone system:
Number of telephones being installed on the NBX system:
Number of users anticipated in the near future:
Number of chassis:
NBX 100
SuperStack 3 NBX
Where will the NBX chassis be located?
How will it be mounted? Wall
Rack
Mode:
Key system?
Hybrid/PBX?
Will disk mirroring be installed (SuperStack 3 NBX only)? Yes
No
What range of extensions would you like?
(NBX 100 default: 100-449 / SuperStack 3 default: 1000-4999)
Extension that will be assigned to the attendant’s telephone:
Power Failure Telephone (PFT) units to be installed? (North America only) Yes
No
Number of PFTs:
UPS available for chassis? (UPS is recommended) Yes
No
Dedicated power outlet available for UPS? Yes
No
Will Ethernet power be used for the telephones? Yes
No
Number of 802.3af-compliant Ethernet power supplies:
Number of non-802.3af-compliant Ethernet power supplies (may require the use of a splitter
(3C10223) for each powered device):
Will a redundant power supply be used (SuperStack 3 NBX only)? Yes
No
Note:
One dedicated power outlet is required for each power supply.
Attach a list of frequently dialed telephone numbers for System Speed Dials.
Site Survey
Cable Survey
Plenum
PVC
Termination:
Data cable: cat./level:
Singles
Dual
Quad
110
Voice-only cable: cat./level: Singles
Dual
Quad
Patch
Total number of locations/drops:
Singles
Dual
Quad
66
Other:
Riser cable: Plenum
PVC
Shielded
Copper
Number
of
pairs:
Length:
Fiber
Armored
Number of strands:
Length:
Coax
Type:
Length:
Demarcation for dial tone:
Feeder: existing
new
Plenum
PVC
Number of pairs:
Termination block? Yes
No
Modular jack
RJ-21x (66)
110 block
Location of IDFS:
Drop ceiling height:
Walls:
Number of floors: