Zhone Technologies IMACS-200 manual Port Specifications, WAN port Specifications

A.4 Port Specifications

A.4.1 WAN port Specifications

WAN ports

Physical

Performance and Test Options

Loopbacks	Line, Local, Loopback Generation and Detection, (ESF only)
T1	National Bit Supporting (G.704)

T1 Interface

Bit Rate and Tolerance	1.544 Mbps + 32 ppm
Number of T1 WAN ports	4
Electrical Interface	Per ANSI T1.102/T1.403, DSX-1 1001/2 balanced
Line Coding	Software selectable AMI or B8ZS
Frame Format	Software selectable D4 or ESF
D4 Framing	Normal Superframe
ESF Framing	Extended Superframe
Voice Channel Signaling	AT&T PUB 43801, AT&T 62411, ITU-T Q.421, Q.422 using
	robbed-bit method.
Error Detection
Frame Format	Error Scheme
ESF	CRC-6, Controlled Slip, Out of Frame
D4	BiPolar Violation, Controlled Slip, Out of Frame
Alarm Indication	As per Bellcore TR-TSY-000191
Line Length	Software Slectable: Adjustable line build out (LBO) settings for 110,
	220, 330, 440, 550, 660 feet and 0dB, 7.5dB, 15dB and 22.5dB
Power Levels	Complies with ANSI T1.403 and ITU-T G.703
Output Jitter	Complies with ITU-T G.824
Input Jitter and Wander	Complies with ITU-T G.824

Standards Compatibility

AT&T	TR43801	Digital Channel Bank Requirements and Objectives
	TR54016	Requirements for Interfacing Digital Terminal Equipment to
		Service Employing the Extended Superframe Format
	TR62411	Accunet 1.5 Service, Description and Interface Specifications
Bellcore
	TR-TSY-000191	Alarm Indication Signal, Requirements and Objectives
ANSI	T1.101	Synchronization Interface Standards for Digital Networks
	T1.107	Digital Hierarchy - Formats Specifications
	T1.403	ISDN, Network-to-Customer Installation -DS1 Metallic I/F
	T1.408	ISDN Primary Rate
ITU-T	G.703	Physical/Electrical Characteristics of Hierarchical Digital I/F
	G.704	Synchronous Frame Structure Used At Primary and Secondary
		Hierarchical Levels
	G.824	The Control of Jitter and Wander Digital which are based on
		the 1544 Kbits/sec Hierarchy.
	Q.421	Digital line signaling code
	Q.422	Clauses for exchange line signaling equipment

A-4 System Standards and Specifications