NEC NEAX 2000 IPS - CHAPTER 3 SYSTEM DATA PROGRAMMING

Chapter 8 System Capacity Zone Transceiver Line Conditions
NEAX 2000 IPS Configuration Guide
NDA-24347, Issue 1
Page 85
Zone Transceiver Line Conditions
Note: Zone Transceiver requires -48 V power under normal conditions. PBX power supply at -45 V and -43 V
shows ZT Line Conditions in the event of lower voltage status (refer to Table 8-5).
Table 8-5 Zone Transceiver Line Conditions
S-INTERFACE
LINE CONDITIONS
U-INTERFACE
LINE CONDITIONS
PBX Power Supply at -48 V (Standard) 4-Wire 2-Wire 4-Wire
0.4ϕ 2,500 ft. (762 m) 2,500 ft. (762 m) 4,300 ft. (1,310 m)
0.5ϕ 4,000 ft. (1,219 m) 4,000 ft. (1,219 m) 6,900 ft. (2,103 m)
0.65ϕ 5,500 ft. (1,676 m) 5,500 ft. (1,676 m) 9,500 ft. (2,895 m)
0.9ϕ 8,000 ft. (2,438 m) 8,000 ft. (2,438 m) 13,000 ft. (3,958 m)
PBX Power Supply at -45 V Note 4-Wire 2-Wire 4-Wire
0.4ϕ 2,000 ft. (609 m) 2,000 ft. (609 m) 3,500 ft. (1,066 m)
0.5ϕ 3,200 ft. (975 m) 3,200 ft. (975 m) 5,600 ft. (1,706 m)
0.65ϕ 4,700 ft. (1,432 m) 4,700 ft. (1,432 m) 8,200 ft. (2,499 m)
0.9ϕ 7,000 ft. (2,131 m) 7,000 ft. (2,131 m) 12,200 ft. (3,718 m)
PBX Power Supply at -43 V Note 4-Wire 2-Wire 4-Wire
0.4ϕ 1,800 ft. (548 m) 1,800 ft. (548 m) 3,100 ft. (944 m)
0.5ϕ 2,900 ft. (883 m) 2,900 ft. (883 m) 5,000 ft. (1,524 m)
0.65ϕ 4,400 ft. (1,340 m) 4,400 ft. (1,340 m) 7,600 ft. (2,316 m)
0.9ϕ 6,400 ft. (1,948 m) 6,400 ft. (1,948 m) 11,000 ft. (3,352 m)
Local Power Supply (with AC Adapter)
0.4ϕ 3,900 ft. (1,189 m) 11,000 ft. (3,350 m)
0.5ϕ 4,400 ft. (1,341 m) 13,000 ft. (3,958 m)
0.65ϕ 5,500 ft. (1,676 m) 13,000 ft. (3,958 m)
0.9ϕ 8,000 ft. (2,438 m) 13,000 ft. (3,958 m)