NEC UNIVERGE NEAX 2000 IPS, Руководство по настройке, Страница: 94 / 96

NEAX 2000 IPS Configuration Guide
Page 84
NDA-24347, Issue 1
Line Conditions Chapter 8 System Capacity
Line Conditions
Note 1:
Loop resistance includes an internal resistance of the telephone set or distant exchange.
Note 2:
Cable length is based on the following conditions:
• Diameter of the cable is 0.5 mm.
• The protection arrester is not inserted between the terminal and PBX.
Note 3:
When using an 8DLC card, long-line function is not available even if it is equipped with an AC Adapter.
Note 4:
The DSS/BLF console requires local AC/DC supply.
Table 8-4 Line Conditions
Loop Resistance
Note 1
Analog Telephone Set
Standard 600
Ω
Optional 2,500
Ω
Loop Start Trunk
Exchange Line 1,700
Ω
Tie or DID Line 2,500
Ω
Cable Length
Note 2
Standard with AC Adapter
Dterm Series E
Dterm 8/8D
8DLC 984 ft. (300 m)
Note 3
4DLC 984 ft. (300 m) 3,937 ft. (1,200 m)
2DLC 2,789 ft. (850 m) 3,937 ft. (1,200 m)
Dterm 16D
8DLC 656 ft. (200 m)
Note 3
4DLC 656 ft. (200 m) 3,937 ft. (1,200 m)
2DLC 2,789 ft. (850 m) 3,937 ft. (1,200 m)
Dterm 32D
8DLC 656 ft. (200 m)
Note 3
4DLC 656 ft. (200 m) 3,937 ft. (1,200 m)
2DLC 2,789 ft. (850 m) 3,937 ft. (1,200 m)
DSS/BLF Console
Note 4
8DLC - 984 ft. (300 m)
4DLC - 3,937 ft. (1,200 m)
2DLC - 3,937 ft. (1,200 m)
Operator Position
Attendant Terminal Same as Dterm Series E
SN176
Desk Console
8DLC 984 ft. (300 m)
Note 3
4DLC 1,148 ft. (350 m) 3,937 ft. (1,200 m)
2DLC 1,148 ft. (350 m) 3,937 ft. (1,200 m)