NEC UNIVERGE NEAX 2000 IPS Reference Manual page 65

Transmission Characteristics (For TDM Circuits)
Description
PCM Coding System
Insertion Loss
Return Loss
Longitudinal Balance
Attenuation/Frequency Distortion
Group Delay Distortion
Total Distortion
Idle Channel Noise
Impulsive Noise
Cross Talk Attenuation
Inter-modulation Products
Spurious In-Band Signals
Signal Attenuation
Line Conditions
Description
Loop Resistance (including Telephone Set)
Analog Standard Line
Analog Long Line
Loop Resistance (including Opposite End Resistance)
Central Office Trunk
Tie Line Trunk (Loop Dial)
Tie Line Trunk (E&M)
Cable Length
SN716 Desk Console
8DLC/4DLC/2DLC Card
4DLC/2DLC Card with
AC Adapter
Dterm Series i/E
8DLC/4DLC Card
2DLC Card
4DLC/2DLC Card with
AC Adapter
DSS/BLF Console
4DLC/2DLC Card with
AC Adapter
Zone Transceiver
ZTII-U (for U-Interface)
ZTII-U with AC Adapter
Note 1: Cable length is based on cable with 0.5mm diameter and without lightning arresters
UNIVERGE 2000 IPS Request For Proposal (RFP) Reference Guide
NEAX
Issue 6
A-law/U-law
0.15 dB at 1KHz
20 dB or more (300 to 3,400Hz) against 600 ohms
59 dB or more (300 to 3,400Hz)
-0.2 dB to +0.7 dB (300 to 3,400Hz)
0 to 0.3msec. (500 to 2,800 Hz)
25 dB (Input signal:-45 dBm0)/40 dB(input signal:0 dBm0)
-67 dBmop or less (psophometric noise)
-50 dBm0 or less (single frequency noise)
0 counts at -35 dBm
90 dB or more
-40 dB or more
-49 dBm0 or less
Attenuation rate: 12 dB per octave or more at 3.4 kHz above
Attenuation level: -40 dBm or less at 3.4 kHz and above
Max. 600 ohms
Max. 2,500 ohms (DP 10pps), Max. 1,700 ohms (DP 20pps)
Max. 1,200 ohms (DTMF)
Max. 1,700 ohms
Max. 2,500 ohms
Max. 900 ohms (only E-wire condition)
Note 1
Max. 350 meters (Max. 300 meters for 8DLC card)
Max. 1,200 meters
Max. 200 meters (Max. 300 meters for Dterm 8 and Dterm 8D)
Max. 850 meters
Max. 1,200 meters
Max. 1,200 meters
Max. 1,210 meters (2-wire), Max. 2,100 meters (4-wire) @-48V
Max. 970 meters (2-wire), Max. 1,700 meters (4-wire) @-45V
Max. 3,950 meters
Specifications
-70 dBm or less at 50 kHz and above
Specifications
Chapter 3 System Highlights
Page 3-17