3Com S330 manual Ethernet Interface, T1 / n x E1 Interface

10CHAPTER 1: SYSTEM DESCRIPTION

Table 4 PathBuilder S330 System Specifications

Ethernet Interface
Number of ports	1
Interface type	VC level, dual leaky bucket, 56Kbps to 6Mbps
Connector type	RJ48
Connector pinouts	PIN 1 - Tx+
	PIN 2 - Tx-
	PIN 3 - Rx+
	PIN 4 -
	PIN 5 -
	PIN 6 - Rx-
	PIN 7 -
	PIN 8 -
Data support	10Base-T, IEEE 802.3
ATM support	Bridging with filtering, RFC 1483 (LLC_SNAP)
Shaping	AAL5, peak rate
Forwarding rate	Greater than 7000pps
n x T1 / n x E1 Interface
Number of ports	4
Type of interface	T1 or E1 (with integral CSU and DSX)
Connector type	RJ48C or G703 coax with E1 Balun Adapter
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 -
Line Framing	ESF, SF (D4), or No Framing for T1
	G. 703/704 for E1
Line Coding	B8ZS for T1 (AMI for special applications)
	HDB3 for E1
ATM framing	HEC (ITU-T G.804), I.432
ATM support	T1/E1 UNI (with IMA)
LBO	0, 7.5, 15.0, 22.5dB (CSU)
	0 ~655 ft. (DSX)
Electrical interface	CSU/DSX
Attenuation	0, 7.5, 15db
Payload scrambling	Yes

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