Mark Levinson RS-232 manual

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Table of contents for the manual

  • Page 1

    1 No320S preamplifier RS-232 control guide[...]

  • Page 2

    2 Overview Overv iew The Mark Levinson No 320S pream plifier is equipped with an RS-23 2 control port. A com plete set of command in puts and stat us outputs a llow control of the No32 0S by an exter nal control s ystem (such as AMX or Crestron). T his guide contains connection d etails and t he RS-23 2 comm and list. Contacting Technical Support P[...]

  • Page 3

    3 Connection RS-232 Port Location RS-232 contr ol is throu gh an RJ-11 c onnector loc ated on the bac k of the No32 0S next to the IR outp ut. This c onnector has 6 pins of w hic h only thr ee are used f or comm unication. RS-232 Port Pin Configuration. The No320 S will rece ive control d ata on pin 2 D ata Receive and transm it status data on pin [...]

  • Page 4

    4 RS-232 Control Cable Madriga l Audio Labs offers s everal parts to help comm unicate via RS-232 to th e No320S. T he followin g parts can be order from Madrigal A udio Labs T echnical Support. Part # D escription MRC878 DS UB9 to RJ-11 A daptor and 2 m eter RJ-11 to RJ -11 Cable MRC808 DU B9 to RJ-11 Ada ptor MLC732 2 meter RJ-11 to RJ-11 Cable F[...]

  • Page 5

    5 D i a g r a m 2 – R J - 11 t o D S U B 9 C a b l e Pa r t s U se d f o r C a b l e D i g i ke y P a r t# R a d i os ha c k P a r t # (1 ) - 9 p in DSU B Fem ale Co nnecto r A2047-ND 2 76-1537 (2 ) - 6 pin RJ-11 Connector A9027-ND 2 79-421 (3 ) - 9 pin DSUB Housing A9001-ND 2 76-1539 (4 ) - 6 C onduc tor Da ta / P hone Ca ble H0063 (l ength in f[...]

  • Page 6

    6 Comma nd list Settings: 38.4K baud, 1 s top bit, no parity Format: !< command><cr> or ! Vxx.x<cr> Th e '!' is used as a framing char acter an d can be s ent any ti me to reset the packet recep tion code. N ote that al l commands are 5 bytes ( '!' + 3char co mmand + <cr > ) with the ex ception o f the di[...]

  • Page 7

    7 GI2 Go to input 2 GI3 Go to input 3 GI4 Go to input 4 GI5 Go to input 5 GI6 Go to input 6 GI7 Go to input 7 Note: “ GI7 ” selects either input 7 or phono i nput if inst alled. GBA Go to balance mode GBE Exit balance mode IOF Go to display inte nsity 0 I25 Go to display inte nsity 25% I50 Go to display inte nsity 50% IFU Go to display intensit[...]

  • Page 8

    8 Status Update: Any change in the following 6 control keys will automatically send out the correspondi ng ASCII stri ng. CONTROL KEY RETURNED VALUE COMMENT Select k nob 1:IN:<1 -7>:<input alias><cr> or 1:IN:NONE <cr> if no c urrent valid input selecti on input ali as> is m ax 7 chars, no null term ination input ali as = [...]