3Com SuperStack II User Manual

Also see for SuperStack II: User guide Using User guide User guide Supplement sheet

Contents

3Com SuperStack II User Manual Manual pdf 51 page image

Serial Connectors and Flex-WAN Cables 51V.35 DCE CablePinoutsThis cable connects the bridge/router to a V.35 DTE.Figure 23 Flex-WAN and V.35 DCE Connectors.Table 15 V.35 DCE Cable PinoutsFlex-WAN Connector V.35 DCE ConnectorSignal Pin Direction Pin Signal Twisted Pair** Unused twisted wires of a twisted pair should be connected to Shield Ground. In this cable thisis one wire of each of the twisted pairs 6 to 12.SD/RD- 17 → T RD- 1SD/RD+ 18 → R RS-SCTE/SCT- 19 → AA SCT- 2SCTE/SCT+ 20 → Y SCT+Nil/SCR- 21 → X SCR- 3Nil/SCR+ 22 → V SCR+RxC/TxCE- 25 ← W SCTE- 4RxC/TxCE+ 26 ← U SCTE+RxD/TxD- 27 ← S SD- 5RxD/TxD+ 28 ← P SD+DCD/LL 33 ← K LT 6DSR/DTR 34 ← H DTR 7CTS/RTS 35 ← D RTS 8RTS/CTS 42 → C CTS 9DTR/DSR 43 → E DSR 10LL/DCD 44 → F RLSD 11Circuit Ground 45 - B Ground 12Shield Ground 46 Cable Shield A Shield Ground -Shorting Group 1 4849- - - -Shorting Group 2 5051- - - -Shorting Group 3 53545556- - - -60-pin Flex-WAN connectorTo SuperStack II NETBuilderV.35 female connectorTo DTE CHSWAAAEKPUYBFRVDTX1 2 3 4 5 6 7 8 9 10 11 12 13 14 1530 29 28 27 26 25 24 23 22 21 20 19 18 17 1631 32 33 34 35 36 37 38 39 40 41 42 43 44 4560 59 58 57 56 55 54 53 52 51 50 49 48 47 46HWBook Page 51 Friday, June 19, 1998 3:42 PM