****************************************** **** General Conversion information **** ****************************************** standard cable (db9, db25, din8, rj45, db9-ibm) Trans Data TD -> db9-2 db25-2 din8-3 rj45-6 ibm-2 Recieve Data RD <- db9-3 db25-3 din8-5 rj45-5 ibm-3 Req. to Send RTS -> db9-4 db25-4 din8-6 rj45-8 ibm-7 Clear to Send CTS <- db9-5 db25-5 din8-2 rj45-7 ibm-8 Data Set Ready DSR <- db9-6 db25-6 ? rj45-1 ibm-6 Signal Ground SG -- db9-7 db25-7 din8-4,8rj45-4 ibm-5 Carrier Detect DCD <- db9-8 db25-8 din8-7 rj45-2 ibm-1 Data Term Ready DTR -> db9-9 db25-20 din8-1 rj45-3 ibm-4 Ring Indicator RI <- ? db25-22 ? -- ibm-9 null modem cable switch: TD & RD CTS & RTS DTR & DSR ------------------------------------------------------------------------ ***************************** **** RJ-45 Information **** ***************************** RJ45 to DB9/25 connectors (colors based on GEC): Standard - including SGI: Standard Null -------- ---- TD 2) * Yellow Green RD 3) * Green Yellow RTS 4) White/Grey Brown CTS 5) Brown White/Grey SG 6) Blue Black DCD 7) * Red Red DTR 8) Orange Orange CDR 9/20) Black Blue * Basic RS-232 required connections RJ45 cable & wire colors (colors are the same both for cable and in connectors - if cable blue is on right looking at plug with tab down). 1 - blue DCE Rdy cable end 2 - tan DCD (orange in connectors) |-----------------| 3 - black DTR | 8 7 6 5 4 3 2 1 | 4 - red SG |-----| |-----| 5 - green RD |-----| 6 - yellow TD 7 - brown CTS 8 - grey RTS RJ45 adaptor part numbers: 9 pin: male - 45-0650 female - 45-0655 25 pin: male - 45-0620 female - 45-0625 ------------------------------------------------------------------------ Ascension DB-9 connector (from RJ45 colors) 9 pin male 2 - green (TD) 3 - yellow (RD) 5 - red (SG) ------- 4 - grey (RTS) these two optional - needed for reset 9 - black (DTR) ------------------------------------------------------------------------ PC (486) connector (eg. Wand PC cable) 9 pin female 2 - yellow (RD) 3 - green (TD) 4 - 6 (?) 5 - red (SG) 6 - 4 (?) 7 - 8 (?) 8 - orange (DTR) ------------------------------------------------------------------------ PC (XT etc) connector (eg. CAT-PC cable) 25 pin female ------------------------------------------------------------------------ SGI & Mac 8 pin mini din (colors from cable) pins 1 - red ----- 2 - orange /6 7 8\ 3 - yellow ( 3 4 5 ) 4 - green \ 1 2 / 5 - blue ----- 6 - black 7 - white 8 - brown RJ45 to SGI din8 (colors based on din8 to din8 cable) 1 - n/c 2 - din8-7 (white) 3 - din8-1 (red) 4 - din8-4,8 (green & brown - wired together) 5 - din8-5 (blue) 6 - din8-3 (yellow) 7 - din8-2 (orange) 8 - din8-6 (black) Macintosh connected to Modem: Full con| Simple con (connection at other end) --------------------------- Green(4)| no | no Brown(8)| yes | no Both | yes | yes SGI Indigo 2 connected to Logitech: Full con| Simple con (connection at other end) --------------------------- Green(4)| | Brown(8)| | Both | | SGI Indigo 2 connected to Modem: Full con| Simple con (connection at other end) --------------------------- Full con| Simple|full/n |simp/n | (connection at other end) ---------------------------------------- Green(4)| no | no | yes | | Brown(8)| yes | yes | | | Both | yes | yes SGI Indigo 2 connected to another SGI (using kermit): Full con| Simple|full/n |simp/n | (connection at other end) ---------------------------------------- Green(4)| yes | yes | no | ? Brown(8)| no | no | yes | ? Both | no | no | yes | ? ------------------------------------------------------------------------ 7 pin mini din for Logitech tracker (pp 64,65) pins ----- /5 6 7\ ( 3 - 4 ) \ 1 2 / ----- din7 pins - RJ45 wires (color) 1 - CTS n/c 2 - RD (red) 3 - TD (black) 4 - DTR n/c 5 - SG (green) 6 - DSR n/c 7 - RTS n/c ------------------------------------------------------------------------ SGI Powered serial connection connections: 8 pin large din slots 1 - DTR --v-- 2 - CTS /4 2 5\ 3 - STEREO (Stereo field sync) (1 8 3) 4 - RD \6 7/ 5 - TD --^-- 6 - SG 7 - GND 8 - 10V supply Connections for CAVE Ascension unit: Din-8 DB9 RJ45 ----- --- ---- 1 4 8 4 3 5 5 2 6 6 7 4 8 9 3 (power) ------------------------------------------------------------------------ ********************************** **** Non RS-232 Connections **** ********************************** Keyboard to 6-pin mini din (colors from cable) ** - requires verification pins 1 - red ----- 2 - orange /5 6\ 3 - yellow ( 3 4 ) 4 - green \ 1 2 / 5 - blue ----- 6 - black RJ45 to din6 (colors based on din8 to din8 cable) 1 - n/c 2 - din6-4 (+8Vdc) 3 - din6-1 (KbTx) 4 - din6-3 (Gnd) 5 - din6-6 (-8Vdc or n/c) 6 - din6-5 (KbRx) 7 - din6-2 (MoTx) 8 - n/c ------------------------------------------------------------------------ 6 pin mini din (from DB9-adaptor cable) 1 - brown (db9-1) ----- 2 - NC /5 6\ 3 - red (db9-3,5) ( 3 # 4 ) 4 - orange (db9-4,7,9) \ 1#2 / 5 - yellow (db9-6) ----- 6 - NC NC - black (db9-2,8) Because din6-2 is unconnected, this cable end is useless! ------------------------------------------------------------------------ 3 pin mini-din for Stereo Glasses 1 +12V +12 Volts DC Output 2 GND Ground - 3 Stereo Stereo Sync Output ------------------------------------------------------------------------ ************************************ **** Direct Cable Information **** ************************************ SGI to Mac cabling: Mac end (DB-25 PC connections) 2 - black 3 - white 7 - red 4,5,8 - connected together 6,20 - connected together Mac end (Din-8 connections) 1 - n/c 2 - n/c 3 - black 4 - red 5 - white 6 - n/c 7 - n/c 8 - red (connected to 4) SGI end (DB-9 connections) 2 - white (TD) 3 - black (RD) 7 - red (Signal Gnd) ------------------------------------------------------------------------ SGI to PC (cat) cabling: SGI end (DB-9 connections) 2 - white (TD) 3 - black (RD) 7 - red (SG) Cat PC end (DB-25 female!) 1 - n/c 2 - black 3 - white 4 - PC-5, PC-8 5 - PC-4, PC-8 6 - PC-20 7 - red 8 - PC-4, PC-5 20 - PC-6 ------------------------------------------------------------------------ .