3Com 3C63311 Reference Guide - Page 33

Specifications 21 Table 5 PathBuilder S310 System Specifications Serial Interface Number of ports Interface type Data support ATM support Clock Shaping Data rates: Minimum Maximum Maximum cable length Clock outputs Connector type on unit Connector type on V.35 cable converter Connector pinouts Connector type at end of RS-422 cable Connector pinouts (continued) 1 HD 60-pin (DCE or DTE), female; V.35/RS-449/EIA530 (through cable converters) Transparent HDLC/SDLC, Frame Relay, ATM DXI AAL5 DCE or DTE, Internal or external (smooth clock) VC level, dual leaky bucket 56Kbps to 6Mbps 56 Kbps 6 Mbps 50 feet @ 8 Mbps Smooth clocks on transmit and receive lines to DTE MOLEX 60-pin female 35-pin Winchester, female for DCE, male for DTE A Side B Side Chassis Ground A Signal Ground B Req to Send C Clear to Send D Data Set Ready E Rcv Line Sig Det F Send Data P S Receive Data R T Terminal Timing U W Receive Timing V X Send Timing Y AA DB-37 subminiature, female for DCE, male for DTE A Side B Side Chassis Ground 1 Send Data 4 22 Send Timing 5 23 Receive Data 6 24 Req to Send 7 25 Receive Timing 8 26 Clear to Send 9 27 Terminal Ready 12 30 Receiver Ready 13 31 Terminal Timing 17 35 Signal Ground 19