3Com S330 manual AAL1, ATM CES

Specifications 15

Table 4 PathBuilder S330 System Specifications

CBR MODULE SPECIFICATIONS
Number of ports	4
Interface type(s)	3 direct T1-DSX/E1, 1 DSU/CSU
T1-DSX/E1 physical	3 each RJ48
Impedance	100 Ohms
Framing	D4 or ESF
Line Coding	AMI or B8ZS
LBO	0 - 655 feet
Serial	HD-pin; V.35/RS-449/EIA530/X.21 (see Serial Interface,
	under “Motherboard Specifications, above, for
	connector pinouts)
Clock	DCE, Internal
Front panel LEDs (1-3)	ALARM, Inservice
Data rates	n x 56Kbps or n x 64Kbps
	(structured; n = 1, 2, 3, 4, 6, 8, 12, 24) or
	1.544 Mbps (unstructured)
ATM support	CAS/CCS support with Dynamic bandwidth
	reallocation
Timing	AAL1, ATM CES 2.0
Cell Delay Variation Tolerance	Looped, system, adaptive, SRTS
Class of Service	24 msec (T1-DSX), 32 msec (E1)
T1-DSX/E1connector type	CBR
T1-DSX/E1 connector pinouts	RJ48 or G703 coax with E1 Balun Adapter
	PIN 1 - Receive ring
	PIN 2 - Receive Tip
	PIN 3 -
	PIN 4 - Transmit ring
	PIN 5 - Transmit Tip
	PIN 6 -
	PIN 7 -
	PIN 8 -

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