AAC / CellSMART E3 Phsyical Layer Module

Common Requirements
Framing format	ITU-T Recommendation G.751 or G.832
Interface connector	75 ohm coaxial BNC connectors
Line code	HDB3
Line impedance	75 ohms (nominal)
Line rate, internal clock	34.386 Mbps plus or minus 20 ppm

Input Requirements
Input recovery	Recover E3 signals with 0 to 12 dB of loss at 17.184 MHz
Jitter tolerance	Conforms to ITU-T Recommendation G.823 (03/93), Section 3.1.1, Table 2
Return loss	> 12 dB at 860 to 1720 kHz > 18 dB at 1720 to 34368 kHz > 14 dB at 34368 to 51550 kHz

Output Requirements
Jitter generation	Conforms to ITU-T Recommendation G.823 (03/93), Section 2.1, Table 1
Output level V, _o	1.0 V peak at transmitter
Pulse shape	Conforms to ITU-T Recommendation G.703 (1991) Section 8, Figure 17

Standards Compliance
Meets applicable requirements of the following standards/generic requirements	CCITT G.703-1991, "General Aspects of Digital Transmission Systems, Terminal Equipments--Physical/Electrical Characteristics of Hierarchical Digital Interfaces." CCITT G.704-1991, "General Aspects of Digital Transmission Systems, Terminal Equipments--Synchronous Frame Structures used at Primary and Secondary Hierarchical Levels." CCITT G.706-1991, "General Aspects of Digital Transmission Systems, Terminal Equipments--Frame Alignment and Cyclic Redundancy Check (CRC) Procedures relating to Basic Frame Structures Defined in Recommendation G.704." ITU-T G.751-1993, "General Aspects of Digital Transmission Systems, Terminal Equipments--Digital Multiplex Equipment Operating at the Third Order Bit Rate of 34.368 kbit/s and the Fourth Order Bit Rate of 139 264 kbit/s and using Positive Justification." ITU-T G.775-Draft, "Loss of Signal (LOS) and Alarm Indication Signal (AIS) Defect Detection and Clearance Criteria, " October 1993. ITU-T G.804-1993, "Digital Networks--ATM Cell Mapping into Plesiochronous Digital Hierarchy (PDH), " November 1993. ITU-T G.823-1993, "Digital Networks--The Control of Jitter and Wander within Digital Networks which are Based on the 2048 kbit/s Hierarchy, " March 1993. ITU-T G.832-1993, "Digital Networks--Transport of SDH Elements on PDH Networks: Frame and Multiplexing Structures, " November 1993.

Standards Compliance

Meets applicable requirements of the following standards/generic requirements

CCITT G.703-1991, "General Aspects of Digital Transmission Systems, Terminal Equipments--Physical/Electrical Characteristics of Hierarchical Digital Interfaces."

CCITT G.704-1991, "General Aspects of Digital Transmission Systems, Terminal Equipments--Synchronous Frame Structures used at Primary and Secondary Hierarchical Levels."

CCITT G.706-1991, "General Aspects of Digital Transmission Systems, Terminal Equipments--Frame Alignment and Cyclic Redundancy Check (CRC) Procedures relating to Basic Frame Structures Defined in Recommendation G.704."

ITU-T G.751-1993, "General Aspects of Digital Transmission Systems, Terminal Equipments--Digital Multiplex Equipment Operating at the Third Order Bit Rate of 34.368 kbit/s and the Fourth Order Bit Rate of 139 264 kbit/s and using Positive Justification."

ITU-T G.775-Draft, "Loss of Signal (LOS) and Alarm Indication Signal (AIS) Defect Detection and Clearance Criteria, " October 1993.

ITU-T G.804-1993, "Digital Networks--ATM Cell Mapping into Plesiochronous Digital Hierarchy (PDH), " November 1993.

ITU-T G.823-1993, "Digital Networks--The Control of Jitter and Wander within Digital Networks which are Based on the 2048 kbit/s Hierarchy, " March 1993.

ITU-T G.832-1993, "Digital Networks--Transport of SDH Elements on PDH Networks: Frame and Multiplexing Structures, " November 1993.

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AAC / CellSMART E3 Phsyical Layer Module

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