TASCAM Celesonic US-20x20 Reference Manual V2.10 - Page 5

Rear panel 2 - Names and Functions of Parts w COAXIAL IN jack This digital audio input jack complies with the S/PDIF standard. e USB port Use the included USB cable to connect the unit to a computer or iOS device (supports USB 2.0/3.0). CAUTION • The included USB cable (USB 2.0 or USB 3.0) that can be used depends on the the computer and OS you are using. (See "Computer connections" on page 12.) • USB 1.1 is not supported. r OPTICAL (S/MUX) IN/OUT connectors These input and output multichannel digital audio in optical format. 44.1, 48, 88.2, 96, 176.4 and 192kHz sampling frequencies are supported. SMUX2 is supported for 88.2/96kHz formats, and SMUX4 is supported for 176.4/192kHz formats. t MIDI OUT connector This 5-pin DIN is a standard MIDI output jack. This outputs MIDI signals. y MIDI IN connector This 5-pin DIN is a standard MIDI input jack. Use this to input MIDI signals. u WORD IN/OUT connectors These BNC connectors are for the input and output of word clock signals. Word clock signals of 44.1, 48, 88.2, 96, 176.4 and 192 kHz can be input and output. CAUTION If a digital system has multiple word clock masters, serious problems, including damage to equipment, could occur. i 75Ω ON/OFF/THRU/WORD OUT switch Use this switch to make the following settings. • Whether or not the WORD IN connector has 75Ω termination • WORD output THRU/OUT setting (OUT is for WORD only) o LINE IN 9-10 (BALANCED) jacks and LEVEL switch These standard TRS jacks are line inputs. (Tip: HOT, Ring: COLD, Sleeve: GND) Use the LEVEL switch to set the nominal level to −10dBV or +4dBu. NOTE The input gain cannot be adjusted for these jacks. p COAXIAL OUT jack This digital audio input jack complies with S/PDIF and AES/ EBU standards. Set the digital signal format on the "INTERFACE" page of the Settings Panel. a LINE OUT (BALANCED) 1-10 jacks These standard TRS jacks are analog line outputs. The nominal output level is +4 dBu. (Tip: HOT, Ring: COLD, Sleeve: GND) s AUTO POWER SAVE switch Use this switch to have the unit turn itself off automatically (start standby) when operating in mic preamp mode if no input signal above −60 dBFS is detected for 30 minutes. CAUTION If you want to turn the unit on again after it has turned itself off (started standby) automatically, press the STANDBY/ ON button once, wait at least 8 seconds and then press the STANDBY/ON button again. d Cord holder Hook the cord of the included AC adapter here to prevent accidental disconnection. f DC IN 12V connector Connect the included AC adapter (GPE248-120200-Z) here. TASCAM US-20x20 5