NEC Neax 2000 IVS2 Manual page 39

CHAPTER 1 GENERAL INFORMATION
DTI Specifications
Table 1-5 Transmission Characteristics (Continued)
CHARACTERISTICS
(2) Input
• Line Rate
• Pulse Amplitude
(Base to Peak)
• Frame Synchronization Pattern
• Input Jitter
• Wander
• Cable Length from PBX to NT1
Page 28
24-CHANNEL
1.544 Mbps ± 200 bps
(130 ppm)
1.5 volts – 3 volts
001011 (24MF)
ITU-T Fig. 1/G743
+138U1, –193UI
or
–138UI, +193UI
Max. 200 m (655 ft.)
(with 0.65 φ (22 ABAM)
twisted-pair cable)
30-CHANNEL
2.048 Mbps ± 50 ppm
1.5 volts – 2.7 volts
(Coaxial Cable)
1.5 volts – 3.3 volts
(Twisted-Pair Cable)
ITU-T Fig. 1/G743
ITU-T G823
Max. 400 m
(with 0.65 φ twisted-pair cable)
2
NEAX2000 IVS ISDN System Manual
ND-70919 (E), Issue 1.0