3Com S330 manual Voice Compression Module Specifications

Specifications 17

Table 4 PathBuilder S330 System Specifications

VOICE COMPRESSION MODULE SPECIFICATIONS

Number of ports	1
Interface type(s)	1direct T1-DSX/E1
T1-DSX/E1 physical	1 each RJ48
Impedance	100 Ohms
Framing	D4 or ESF
Line Coding	AMI or B8ZS
LBO	0 - 655 feet
Clock	DCE, Internal
Front panel LEDs (1-7)	PWR, FAIL, TEST, STS 0, STS 1, INS, ALM
Data rates	n x 56Kbps or n x 64Kbps
	(structured; n = 1, 2, 3, 4, 6, 8, 12, 24)
ATM support	CAS/CCS support with Dynamic bandwidth
	reallocation
	AAL1, AAL5
Timing	Looped, system
Class of Service	AAL5
T1-DSX/E1connector type	RJ48 or G703 coax with E1 Balun Adapter
T1-DSX/E1 connector pinouts	PIN 1 - Receive ring
	PIN 2 - Receive Tip
	PIN 3 -
	PIN 4 - Transmit ring
	PIN 5 - Transmit Tip
	PIN 6 -
	PIN 7 -
	PIN 8 -
Frame Relay support	FRF.5, FRF.8
Compression Types	G.729A, G. 726, G.711, voice activity detection, fax
	relay, DTMF relay
DS3/E3 EXPANSION MODULE SPECIFICATIONS
Number of ports	1
Interface type(s)	DS3, E3
Connector type	Coax, BNC
ATM Framing	HEC, PLCP
LBO	0-250, 250-450
Line Coding	B8ZsS (DS3), HDB3 (E3)
Line Framing	M23 and C-BIT (DS3),
	G.751-PLCP, G.804/G832-HEC (E3)