Zhone Technologies IMACS Network Device - Manual (Page 40)

Zhone Technologies, Inc. IMACS Product Book, Version 4
March 2001 Page 36
(toward user) and Tandem (toward CO)
E&M Sensor Characteristics 2-wire (810860) and 4-wire (811960), Impedance > 15K ohms,
Sensitivity > 2.5 mA
Nominal Transmit TLP Software configurable, -16.5dB to +7.3dB, steps of 0.1dB (2-wire); -
17.5 dB +14.5dB, steps of 0.1 dB (4-wire)
Nominal Receive TLP Software configurable, -16.3dB to +7.5dB, steps of 0.1dB (2-wire); -
16.3dB +7.5dB steps of 0.1dB
Termination Impedance 600 Ohms with 2.16 uF capacitor in series (2-wire); 600 Ohms (4-wire)
Delay Specification
Absolute Group Delay
(dependent on codec) <600 us (2-wire and 4-wire)
Peak to Average Ratio (PAR) 94 to 97 (2-wire and 4-wire)
Standards Conformance
AT&T TR43801
Bell CoreTR-NWT-000057 Digital Channel Bank Requirements and Objectives – November 1982
Functional Criteria for Digital Loop Carrier System – January 1993
BellCore GR-63 CORE Network Equipment-Building System (NEBS) Requirements: Physical
Protection
ITU-T G.712
ITU-T Q.552
ITU-T Q.553 (11/96) – Transmission Performance Characteristics of Pulse Code
Modulation (replaces G.712, G.713, G.714 and G.715)
Transmission Characteristics of 2 –wire analog interface of a Digital
Exchange
Transmission Characteristics of 4 –wire analog interface of a Digital
Exchange
FCC Part 68 Requirements for Connection of Terminal Equipment Systems and
Protective Apparatus to the Telephone Network
FCC Part 15 Subpart B
UL 1459 Standard for Safety, Telephone Equipment
UL 1950 UL Standard for Safety of Information Technology Equipment
CE EN 500 81-1 Electromagnetic compatibility generic emission standard Part 1
Residential, commercial and light industry
CE EN 500 82-1 Electromagnetic compatibility generic immunity standard Part 1
Residential, commercial and light industry
CE EN 60 950/A2 Safety of information technology equipment including electrical
business equipment