Cct Specifications; Transmission Characteristics - NEC UNIVERGE SV9300 Networking Manual

CCT SPECIFICATIONS

Transmission Characteristics

CHARACTERISTICS
(1) Output
• Line Rate
• Line Code
• Line Impedance
• Pulse Amplitude
(Base to Peak)
• Pulse Width
(2) Input
• Line Rate
• Pulse Amplitude
(Base to Peak)
• Frame Synchronization
Pattern
• Input Jitter
• Wander
• Cable Length from
PBX to MDF or Exter-
nal Equipment
* AMI: Alternate Mark Inversion
ZCS: Zero Code Suppression
B8ZS: Bipolar Eight Zero Substitution
Transmission Characteristics
24-CHANNEL
1.544 Mbps ±50 ppm
AMI with ZCS/B8ZS*
100 
3 volts ±0.6 volts
324 ns ±30 ns
1.544 Mbps ±200 bps (130 ppm)
1.5 volts – 3 volts
100011011100
ITU-T Fig. 1/G743
+138UI, –193UI or –138UI, +193UI ITU-T G823
Maximum 200 m
(Maximum 656.2 ft.)

[with 0.65 (22 ABAM) twisted-
pair cable]
1-10
Chapter 1 CCIS FEATURES
CCT SPECIFICATIONS
30-CHANNEL
2.048 Mbps ±50 ppm
High Density Bipolar 3 (HDB3)
75 (Coaxial Cable)
120 (Twisted-Pair Cable)
2.37 volts nominal
(Coaxial Cable)
3 volts nominal
(Twisted-Pair Cable)
244 ns nominal
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
Maximum 400 m
(Maximum 1312.4 ft.)

[with 0.65 (22 ABAM) twisted-
pair cable]
NWA-088654-001 Rev.1.0
94ch1001.fm