Use the right mouse button to return to the top of this page after
visiting a link.
Illustrations, pinouts, and specifications are provided for the following ports:
Microphone | Tip | Ring | Sleeve |
Silicon Graphics supplied electret mono microphone | Signal(+) | Signal(+) | Ground(-) |
Line level mono microphone | Ground (-) | Signal (+) | Ground (-) |
Microphone Jack |
|
Connector |
3.5 mm stereo mini (mono signal on tip and ring) |
Power |
+5 phantom power on tip |
Type |
Unidirectional electret condenser |
Speaker Power | Tip |
Sleeve |
10 Volt DC | Power (+) | Ground |
500 mA |
Speaker/headphone | Tip | Ring | Sleeve |
Left | Right | Ground |
Speakers | |
Power | 3 W (average) per channel |
Frequency range | 180Hz - 15K Hz |
Magnetic flux leakage | <50mGauss @2cm |
Input impedance | 150 ohms |
Signal connector | 3.5 mm stereo mini |
Power connector | 2.5 mm mono micro |
Headphone | |
Recommended impedance | 35 ohms |
Connectors | 3.5 mm stereo |
Analog Line Level Audio Specifications |
Line In |
Line Out |
Line level | -10dBV | -10dBV |
OdBFS Maximum | +10dBV to -22dBV | 6.5dBV 0.5dBV |
Coaxial Digital
Optical Digital
Pin | Assignment | Pin | Assignment |
1 | Ground | 35 | -DB(12) |
2 | Ground | 36 | -DB(13) |
3 | Ground | 37 | -DB(14) |
4 | Ground | 38 | -DB(15) |
5 | Ground | 39 | -DB(P1) |
6 | Ground | 40 | -DB(0) |
7 | Ground | 41 | -DB(1) |
8 | Ground | 42 | -DB(2) |
9 | Ground | 43 | -DB(3) |
10 | Ground | 44 | -DB(4) |
11 | Ground | 45 | -DB(5) |
12 | Ground | 46 | -DB(6) |
13 | Ground | 47 | -DB(7) |
14 | Ground | 48 | -DB(P) |
15 | Ground | 49 | Ground |
16 | Ground | 50 | Ground |
17 | Termpwr | 51 | Termpwr |
18 | Termpwr | 52 | Termpwr |
19 | Open | 53 | Open |
20 | Ground | 54 | Ground |
21 | Ground | 55 | -ATN |
22 | Ground | 56 | Ground |
23 | Ground | 57 | -BSY |
24 | Ground | 58 | -ACK |
25 | Ground | 59 | -RST |
26 | Ground | 60 | -MSG |
27 | Ground | 61 | -SEL |
28 | Ground | 62 | -C/D |
29 | Ground | 63 | -REQ |
30 | Ground | 64 | -I/O |
31 | Ground | 65 | -DB(8) |
32 | Ground | 66 | -DB(9) |
33 | Ground | 67 | -DB(10) |
34 | Ground | 68 | -DB(11) |
Pin | Assignment |
1 | Transmit+ |
2 | Transmit- |
3 | Receive+ |
4 | (Reserved) |
5 | (Reserved) |
6 | Receive- |
7 | (Reserved) |
8 | (Reserved) |
IEEE 1284-C for a Printer
Pin | Assignment | Pin | Assignment |
1 | Busy | 19 | Signal Ground (Busy) |
2 | Select | 20 | Signal Ground (Select) |
3 | nAck | 21 | Signal Ground (nAck) |
4 | nFault | 22 | Signal Ground (nFault) |
5 | PError | 23 | Signal Ground (PError) |
6 | Data 1 | 24 | Signal Ground (Data 1) |
7 | Data 2 | 25 | Signal Ground (Data 2) |
8 | Data 3 | 26 | Signal Ground (Data 3) |
9 | Data4 | 27 | Signal Ground (Data 4) |
10 | Data5 | 28 | Signal Ground (Data 5) |
11 | Data 6 | 29 | Signal Ground (Data 6) |
12 | Data 7 | 30 | Signal Ground (Data 7) |
13 | Data 8 | 31 | Signal Ground (Data 8) |
14 | nInit | 32 | Signal Ground (nInit) |
15 | nStrobe | 33 | Signal Ground (nStrobe) |
16 | nSelectIn | 34 | Signal Ground (nSelectIn) |
17 | nAutoFd | 35 | Signal Ground (nAutoFd) |
18 | Host Logic High | 36 | Peripheral Logic High |
Pin | Assignment |
1 | Keyboard/mouse data |
2 | (Reserved) |
3 | Ground |
4 | Keyboard/mouse power (+5 V) |
5 | Keyboard/mouse clock |
6 | (Reserved) |
Pin | Assignment | |
1 | DCD | Data Carrier Detect |
2 | RD | Receive Data |
3 | TD | Transmit Data |
4 | DTR | Data Terminal Ready |
5 | SG | Signal Ground |
6 | DSR | Data Set Ready |
7 | RTS | Request to Send |
8 | CTS | Clear to Send |
9 | RI | Ring Indicator |
For serial converter cables see Serial
Cables and Converters
Pin | Assignment |
A1 | Red Signal, Analog |
A2 | Green Signal, Analog |
A3 | Blue Signal, Analog |
1 | Monitor ID Bit 3, TTL |
2 | Monitor ID Bit 0, TTL |
3 | Composite Sync (Active Low), TTL |
4 | Horizontal Drive ()Active High), TTL |
5 | Vertical Drive (Active High), TTL |
6 | Montior ID Bit 1, TTL |
7 | Monitor ID Bit 2, TTL |
8 | Ground |
9 | Ground |
10 | Ground |
Pin | Assignment |
1 | Stereo left/right Eye Signal (1=left, 0=right) (STEREO_LEFT) |
2 | Signal Return Ground |
3 | Reserved for Future Use |
4 | Signal Return Ground (Frame lock ground) |
5 | Reserved for Future Use (Frame lock) |
6 | Digital Return Ground |
7 | Digital Return Ground for Stereo View |
8 | +12V DC Output to Stereoview Device |
9 | Unused |