A3: RX/TX-Board
===============
Con.  Func.             Wire/Coax Num.
X32 = 110,8MHz     <========== W12 ============> A10/X106 110.8MHz
X33 = RFRX1        <========== W14 ============> A20/X13 RX1
X34 = RFTX1        <========== W13 ============> A20/X14 TX1
X35 = IFRX         <=========== ? =============> ? no info in CMU Man.
X36 = IFTX         <=========== ? =============> ? no info in CMU Man.
X37 = IF3TX1       <============ W17 ==========> A7/X708 ? (IF3TX1)
X38 = RESIF3RX     <============ W18 ==========> IF3RXCH1 ???
X39 = IF3RX1       <============ W19 ==========> A7/X706 ? (IF3RX1)

A5: B17 IQ-Opt.
===============
X500 = 
X501 = 
X502 = 
X503 = 
X504 = 
X505 = 
X506 = 
X507 = 
X508 = 
X509 = 
X510 = 
X511 = 
X512 = 
X513 = 
X514 = 
X515 = 
X516 = 
X517 = 
X518 = 
X519 = 
X520 = 
X521 = 
X522 = 

A7: Digital-Board
=================
X701 = NETCKL2                 <========== W31 ============> A10/X110 NETCLK2
X702 = NETCLK1                 <========== W32 ============> A10/X109 NETCLK1
X703 = 110.8M3                 <========== W33 ============> A10/X108 110.8MHz
X704 = AUDIO_NETCLK            <==========  ?  ============> ?
X705 = REFOUT2 (BNC Rear)      <========== W35 ============> RFOUT2 (BNC Rear?)
X707 = ? no info in CMU Man.   <==========  ?  ============> ?
X709 = ? no info in CMU Man.   <==========  ?  ============> ?

A9: UMTS... Opt. B66/68/76/78
=============================
X900 = 
X901 = 
X902 = 
X903 = 
X913 = 
X914 = 
X915 = 
X923 = 
X924 = 
X925 = 

A10: Reference Board
====================
X102 = ? no info in CMU Man.
X103 = REFIN  (BNC Rear)  <========== W36 ============> REFIN (BNC Rear?)
X104 = REFOUT (BNC Rear)  <========== W37 ============> REFIN (BNC Rear?)
X105 = RESFREQ            <========== W40 ============> A11/X119 ?
X106 = 110.8M1            <========== W12 ============> A3/X32 110.8MHz
X108 = 110.8M3            <========== W31 ============> A7/X701 NETCLK2
X109 = NETCLK1            <========== W32 ============> A7/X702 NETCLK1
X110 = NETCLK2            <========== W33 ============> A7/X703 110.8M3

A11: Audio Gen. / -Analyzer
===========================
X112 = Speaker                  <========================> Speaker 
X113 = AFIN  (BNC Front)        <========== W6 ============> AFIN
X114 = AUX1  (BNC Front Output) <========== W8 ============> AUX1
X115 = AFOUT (BNC Front)        <========== W5 ============> AFOUT
X116 = AUX2  (BNC Front Output) <========== W7 ============> AUX2
X117 = ? no info in CMU Man.    <==========  ? ============> ?
X119 = ?                        <======== A10/X105 ========> ?

A20: Frontend
=============
 X1 = RF1 IN/OUT                 <==========> (N-Con. Front) RF1
 X2 = RF2 IN/OUT max 33dBm, 2W   <==========> (N-Con. Front) RF2
 X3 = RF3 OUT                    <==========> (N-Con. Front) RF3
 X4 = RF4 IN     max 13dBm, 20mW <==========> (N-Con. Front) RF4
X13 = RX1 <========== W14 ============> A3/X43 RFTX1
X14 = TX1 <========== W13 ============> A3/X33 RFRX1
X23 = RX2 <========== ? ============>
X24 = TX2 <========== ? ============>
X31 = AUX1 RF RX/TX (RF1AUX BNC Rear)
X31 = AUX2 RF RX/TX (RF2AUX BNC Read)