Specifications

System Standards and Specifications A-3
G.823 The Control of Jitter and Wander Within Digital Networks which
are based on the 2048 Kbps Hierarchy
G.824 The Control of Jitter and Wander within Digital Networks which
are based on the 1544 Kbps Hierarchy
Safety and EMC of WAN ports
Bellcore GR-63-CORE Issue 1 Network Equipment-Building System (NEBS) Requirements:
Physical Protection
UL 1950 UL Standard for Safety of Information Technology Equipment
CSA C22.2, No. 950 Safety of Information Technology Equipment including Electrical
Business Equipment
EN 500 081-1 Electromagnetic compatibility generic emission standard Part 1
Residential, commercial and light industry.
EN 500 082-1 Electromagnetic compatibility generic immunity standard Part 1
Residential, commercial and light industry.
EN 60 950/A2 Safety of information technology equipment including electrical
business equipment
FXS ports
AT&T TR43801 Digital Channel Bank Requirements and Objectives November
1982
TR-NWT-000057 Functional Criteria for Digital Loop Carrier System - January
1993
GR-63-CORE Issue 1 - Network Equipment-Building System (NEBS)
Requirements: Physical Protection
ITU-T G.712 (11/96) Transmission Performance Characteristics of Pulse Code
Modulation 9replaces G.712, G.713, G.714 and G.715)
Q.552 Transmission Characteristics of 2-wire analog interface of a
Digital Exchange
Q.553 Transmission Characteristics of 4-wire analog interface of a
Digital Exchange
FCC Part 68 and Part 15 - Subpart B Subpart B supersedes Subpart J
UL 1459, 3rd edition UL Standard for Safety Telephone Equipment