3Com 3C63311 Reference Guide - Page 22
Ethernet Interface, n x T1 / n x E1 Interface
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10 CHAPTER 1: SYSTEM DESCRIPTION Table 4 PathBuilder S330 System Specifications Ethernet Interface Number of ports 1 Interface type Connector type Connector pinouts VC level, dual leaky bucket, 56Kbps to 6Mbps RJ48 PIN 1 - Tx+ PIN 2 - TxPIN 3 - Rx+ PIN 4 - PIN 5 PIN 6 - RxPIN 7 - Data support ATM support PIN 8 10Base-T, IEEE 802.3 Bridging with filtering, RFC 1483 (LLC_SNAP) Shaping Forwarding rate n x T1 / n x E1 Interface AAL5, peak rate Greater than 7000pps Number of ports Type of interface Connector type 4 T1 or E1 (with integral CSU and DSX) 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 - Line Framing Line Coding PIN 7 - PIN 8 - ESF, SF (D4), or No Framing for T1 G. 703/704 for E1 B8ZS for T1 (AMI for special applications) HDB3 for E1 ATM framing ATM support LBO Electrical interface Attenuation Payload scrambling (continued) HEC (ITU-T G.804), I.432 T1/E1 UNI (with IMA) 0, 7.5, 15.0, 22.5dB (CSU) 0 ~655 ft. (DSX) CSU/DSX 0, 7.5, 15db Yes