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Connector Locations page C-1 Parallel Connector page C-2 Audio/AUI Connector page C-3 AUI Connector page C-4 Keyboard and Mouse Connector page C-5 ISDN Connectors page C-5 Serial Ports A and B Connector page C-6 Twisted Pair Ethernet Connector page C-7 SCSI Connector page C-7 13W3 Connector page C-9 Audio Ports and Audio Module - S10BSX Service Code Systems page C-10 -----------------------------------------------------------------------
Chapter 1, "Product Description" shows the back panel of the system illustrating the connector locations.
The following sections describe each connector on the back panel. Table C-1 through Table C-12 show the pin assignments, signal descriptions, and an illustration of each connector.
Table C-1 Parallel Connector Pin Assignments
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Pin Function Signal Description I/O Level -------------------------------------------------------------------
1 DataStrobe* Data valid Strobe I/O 24 ma OC 2 Data Bit 0 Data Bit 0 I/O 24 ma OC 3 Data Bit 1 Data Bit 1 I/O 24 ma OC 4 Data Bit 2 Data Bit 2 I/O 24 ma OC 5 Data Bit 3 Data Bit 3 I/O 24 ma OC 6 Data Bit 4 Data Bit 4 I/O 24 ma OC 7 Data Bit 5 Data Bit 5 I/O 24 ma OC 8 Data Bit 6 Data Bit 6 I/O 24 ma OC 9 Data Bit 7 Data Bit 7 I/O 24 ma OC 10 Ack* Data Acknowledge I TTL 11 Busy Busy I TTL 12 PE Paper Error I TTL 13 Select Select I TTL 14 AutoFeed* AutoFeed O 24 ma TTL 15 Error* Error I TTL 16 Reset* Initialize O 24 ma TTL 17 SlctIn* Select In O 24 ma TTL 18 Shield GND 19 Shield GND 20 Shield GND 21 Shield GND 22 Shield GND 23 Shield GND 24 Shield GND 25 Shield GND 26 Shield GND * Active low signal -------------------------------------------------------------------
Table C-2 Audio/AUI Connector Pin Assignments
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Pin Function I/O Level Signal Description -----------------------------------------------------------
1 AUI_DO- O Analog Data Out Positive/Negative 2 AUI_DI+ I Analog Data Out Positive/Negative 3 AUI_CI- I Analog AUI Collision Positive/Negative 4 +12 VDC O DC 5 EMCTL I&O TTL External Mode Control 6 CHI_DX I&O TTL Digital Audio Data Transmit 7 CHI_CLK I&O TTL Digital Audio Clock 8 CHI_DFSYNC I&O TTL Digital Audio Frame Sync 9 N.C. 10 +5 VDC O DC 11 +5VDC O DC 12 ExtPwrDn I TTL 13 +5 VDC O DC 14 AUI_DO+ O Analog Data Out Positive/Negative 15 AUI_DI_ I Analog Data Out Positive/Negative 16 AUI_CI+ I Analog AUI Collision Positive/Negative 17 Ground GND 18 CHI_ResetS I&O TTL Digital Audio Reset 19 CHI_DR I&O TTL Digital Audio Data Receive 20 CHI_FS I&O TTL 21 D/C I&O TTL Data/Control Select 22 N.C. 23 Ground GND 24 Ground O GND 25 N.C. 26 Ground GND -----------------------------------------------------------
The Audio/AUI connector is installed only on the S10 service code model.
The AUI connector is installed only on the SPARCstation 10 system with the S10BSX service code.
Table C-3 AUI Connector Pin Assignments
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Pin Function I/O Level Signal Description ---------------------------------------------------------
1 AUI_DO- O Analog Data Out Positive/Negative 2 AUI_DI+ I Analog Data Out Positive/Negative 3 AUI_CI- I Analog AUI Collision Positive/Negative 4 +12 VDC O DC 5 N.C . 6 N.C . 7 N.C . 8 N.C . 9 N.C . 10 N.C . 11 N.C . 12 N.C . 13 N.C . 14 AUI_DO+ O Analog Data Out Positive/Negative 15 AUI_DI_ I Analog Data Out Positive/Negative 16 AUI_CI+ I Analog AUI Collision Positive/Negative 17 Ground GND 18 N.C . 19 N.C . 20 N.C . 21 N.C . 22 N.C. 23 N.C . 24 N.C . 25 N.C. 26 Ground GND ---------------------------------------------------------
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Pin Function I/O Level Signal Description --------------------------------------------------------------
1 Ground O GND 2 Ground O GND 3 +5 VDC O VCC 4 Mouse In I TTL Input From Mouse 5 KeyBd Out O TTL Output to Keyboard 6 KeyBd In I TTL Input from Keyboard 7 PowerOn* I TTL Power on key 8 +5VDC O VCC * Active low signal --------------------------------------------------------------
ISDN connectors are on specific models of the S10 service code only.
Table C-5 ISDN Connectors Signal Descriptions
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Signal Description -------------------------------------------------------------
OUT_NT3 +/- Differential External Power Supply Source (NC) NT_In +/- Differential Network Terminator Data Input NT_Out +/- Differential Network Terminator Data Output OUT_Nt@ +/- Differential Internal Power Supply Source OUT_TE3 +/- Differential Internal Power Supply Source (NC) TE_OUT +/- Differential Terminal Equipment Data Output TE_In +/- Differential Terminal Equipment Data Input OUT_TE2 +/- Differential External Power Supply Source -------------------------------------------------------------
Table C-6 Serial Port A/B Pin Assignments
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Pin Function I/O Level Signal Description ------------------------------------------------------------------
1 N.C. 2 Xmit Data A O RS232/423 Xmit Data A/Transmit Data Port A 3 Rec Data A I RS232/423 Receive Data Port A 4 RTS A O RS232/423 Request to Send Port A 5 CTS A I RS232/423 Clear to Send Port A 6 DSR A I RS232/423 Data Set Ready Port A 7 Ground GND 8 DCD A I/O RS232/423 Data Carrier Detect Port A 9 N.C. 10 N.C. 11 DTR B I RS232/423 Data Terminal Ready Port B 12 DCD B I RS232/423 Data Carrier Detect Port B 13 CTS B I RS232/423 Clear To Send Port B 14 Xmit Data B O RS232/423 Transmit Data Port B 15 TRxC A I RS232/423 Receive/Transmit Clock Port A (Pullup) 16 Rec Data B I RS232/423 Receive Data Port B 17 RTxC A I RS232/423 Secondary/Transmit Clock (Receive) Port 18 TRxC B I RS232/423 Receive/Transmit Clock Port B (Pullup) 19 RTS B O RS232/423 Request to Send Port B 20 DTR A O RS232/423 Data Terminal Ready Port A 21-23 N.C. 24 TxC A O RS232/423 Transmit Clock Port A 25 TxC B O RS232/423 Transmit Clock Port B ------------------------------------------------------------------
Note - TRxC A and TxC A are connected to the same bidirectional pin.
Table C-7 Twisted Pair Ethernet Pin Assignments
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Pin Function I/O Level Signal Description ------------------------------------------------------------
1 TPO+ O Analog Differential Twisted Pair Transmit Data 2 TPO- O Analog Differential Twisted Pair Transmit Data 3 TPI+ I Analog Differential Twisted Pair Receive Data 4 N.C. 5 N.C. 6 TPI- I Analog Differential Twisted Pair Receive Data 7 N.C. 8 N.C. ------------------------------------------------------------
Table C-8 shows the pin assignments, signal description, and an illustration of the SCSI connector on the back panel of the system.
Table C-8 SCSI Pin Assignments
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Pin Function Level Pin Function I/O Level Description --------------------------------------------------------------------------------
1 Ground GND 26 sd0* I&O TTL SCSI Data Bit 0 2 Ground GND 27 sd1* I&O TTL SCSI Data Bit1 3 Ground GND 28 sd2* I&O TTL SCSI Data Bit 2 4 Ground GND 29 sd3* I&O TTL SCSI Data Bit 3 5 Ground GND 30 sd4* I&O TTL SCSI Data Bit 4 6 Ground GND 31 sd5* I&O TTL SCSI Data Bit 5 7 Ground GND 32 sd6* I&O TTL SCSI Data Bit 6 8 Ground GND 33 sd7* I&O TTL SCSI Data Bit 7 9 Ground GND 34 sdp* I&O TTL SCSI Data Parity 10 Ground GND 35 Ground GND 11 Ground GND 36 Ground GND 12 Ground GND 37 Ground GND 13 Ground GND 38 Termpower I&O TTL Termination Voltage 14 Ground GND 39 Ground GND 15 Ground GND 40 Ground GND 16 Ground GND 41 atn* O TTL Attention 17 Ground GND 42 Ground GND 18 Ground GND 43 bsy* O TTL Busy 19 Ground GND 44 ack* O TTL Acknowledge 20 Ground GND 45 rst* O TTL Reset 21 Ground GND 46 msg* O TTL Message 22 Ground GND 47 sel* O TTL Select 23 Ground GND 48 cd* O TTL Control/Data 24 Ground GND 49 req* O TTL Request 25 Ground GND 50 io* O TTL Input/Output * Active low signal --------------------------------------------------------------------------------
Table C-9 shows the pin assignments, function, and a picture of the 13W3 connector. This connector is built into the S10BSX service code (as noted on the system board). For the S10 service code, you must insert a video frame buffer card with a 13W3 connector on it into one of the SBus slots to drive the monitor.
Table C-9 13W3 Connector Pin Assignments
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Pin Function I/O Level -----------------------------
A1 Red O Analog A2 Green O Analog A3 Blue O Analog 1 Serial Read TTL 2 Vert Sync O TTL 3 Sense <0'> I TTL 4 Ground GND 5 Comp Sync O TTL 6 Hort Sync O TTL 7 Serial Write TTL 8 Sense <1'> I TTL 9 Sense <2'> I TTL 10 Ground GND -----------------------------
The audio ports are on the model with the S10BSX service code on the system board. Table C-10 gives the signals for the audio ports.
Table C-10 Signals for the Audio Ports
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Headphone Microphone Microphone Line-Out Line-In (new) (old) -----------------------------------------------------------------------------------
Tip Left Channel Mono In Left Channel Left Channel Left Channel Ring (Center) Right Channel Microphone Right Channel Right Channel Right Channel power Shield Return Ground Return Return Return -----------------------------------------------------------------------------------
This connector is for connecting a set of stereophonic headphones to the system for private listening of audio output.
This connector is used to connect the Sun Microphone to the system to provide it with voice input.
This connector is to connect the system audio output to a stereophonic amplifier and external loudspeakers.
This connector is to connect external sound sources such as a compact disc player or cassette tape player to the system.
The audio module has two connectors, a digital connector and an audio connector. Table C-11 and Table C-12 list the signals for the two audio module connectors.
Table C-11 Pinout of Audio Module Digital Connector
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Pin Signal Pin Signal ----------------------------------------------
1 Speaker Negative 16 Speaker Positive 2 Ground 17 Ground 3 Active low 18 NC 4 SBI Reset 19 SBI Alternate Power Down 5 NC 20 +12V 6 SBI Used Power Down 21 +12V 7 SBI Data/Control 22 +12V 8 +5V 23 +5V 9 NC 24 +5V 10 SBI Time Slot Out 25 +5V 11 Ground 26 Ground 12 Ground 27 Ground 13 SBI Frame Sync 28 Ground 14 SBI Data Transmit 29 SBI Time Slot In 15 SBI Clock 30 SBI Data Receive ----------------------------------------------
Table C-12 Pinout of Audio Module Analog Connector
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Pin Signal Pin Signal ---------------------------------------------------
1 Headphone Ring (Center) 16 Headphone Tip 2 Headphone Shield 17 Headphone Shield 3 Chassis Ground 18 Chassis Ground 4 Chassis Ground 19 Chassis Ground 5 Microphone Tip 20 Microphone Ring (Center) 6 Microphone Shield 21 Microphone Shield 7 Chassis Ground 22 Chassis Ground 8 Chassis Ground 23 Chassis Ground 9 Line Out Ring (Center) 24 Line Out Tip 10 Line Out Shield 25 Line Out Shield 11 Chassis Ground 26 Chassis Ground 12 Chassis Ground 27 Chassis Ground 13 Line In Tip 28 Line In Ring (Center) 14 Line In Shield 29 Line In Shield 15 Chassis Ground 30 Chassis Ground ---------------------------------------------------