Front panel from left to right:
Input 1 (female combi jack)
Input 2 (female combi jack)
Gain 1
Gain 2
Above the gain knobs, you'll find a horizontal row of five latching buttons. These are:
Line/Inst for input 1 (line level input is out, Insturment level input is in)
Pad for input 1 (off is out, on is in)
Line/Inst for input 2 (line level input is out, Insturment level input is in)
Pad for input 2 (off is out, on is in)
Stereo/Mono (Stereo is out, Mono is in)
Moving further to the right, you'll find two knobs positioned vertically:
Mix is at the top. Hard left is IN, hard right is PB (in other words, left for direct monitoring, right for computer playback)
Output is at the bottom (in other words, speaker volume)
To the right of the Mix knob, you'll find one more latching button, Mix A/B.
Headphones volume is the right-most knob, female headphones jack is directly below it.

Back panel left to right, described from the perspective of looking over the top of the interface with the front toward you:
Insert female jacks aligned vertically (input 1 at top, input 2 at bottom)
Main Out female jacks aligned vertically (output 1 is top, output 2 is bottom)
Playback Outputs, group of 4 female phonos arranged in a square:
Left vertical pair are Playback A (1 at top, 2 at bottom)
Right vertical pair are Playback B (3 at top, 4 at bottom)
Phantom power switch (left is on, right is off)
Kensington lock port is positioned above phantom power switch
Pair of horizontally aligned female MIDI sockets (In is left, Out is right)
USB type A connection

As ever, if this prooves useful and you can afford to help cover the time taken to write it up, donations of any amount sent to https://paypal.me/ScottChesworth will be converted into hot coffee.
My ever-appreciative oesophagus thanks you in advance. :)