Interface Description  R&S XU 4200 
 6.15 6166.5368.02.01 
 
6.2.14  TX E1 – Communication Data Connector X14 
10 pins modular jack 
 
 
Fig. 6.14  TX E1 − Communication data connector X14. 
Entry in column D (direction): O =  Output  I =  Input    B = Bi-directional 
Entry in column T (type):  A = Analog  D = Digital  P = Power
 
Signal description  D  T  Range  Contact  Remarks 
N.C. – – – X14.1 Not connected 
RX1_RING  I  D  X14.2  Receive input negative 
RX1_TIP I D 
2Mbits TDM/120  
Mark 
– balanced: 3.0 Vp 
Space  
– balanced: 0 Vp 
+/– 0.3 V  
X14.3  Receive input positive 
S P – Shielding/GND X14.4 Receive ground 
TX1_RING  O  D  X14.5  Transmit output negative 
TX1_TIP O D 
2Mbits TDM/120  
Mark 
– balanced: 3.0 Vp 
Space  
– balanced: 0 Vp 
+/– 0.3 V  
X14.6  Transmit output positive 
S P – Shielding/GND X14.7 Transmit ground 
N.C. – – – X14.8 Not connected 
N.C. – – – X14.9 Not connected 
N.C. – – – X14.10 Not connected 
 
 
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