Service manual

2-8 11713A Operating and Service Manual
Installing the Agilent Technologies 11713A Attenuator/Switch Driver
Table 2-2 Attenuator Cable Connector Pin Numbers and Wire
Color Codes
For the SWITCHES, if pin 3 is grounded (lamp on), pin 4 is connected to +24 V.
Front Panel Pushbuttons
a
ATTENUATOR X, Y, and SWITCHES
Rear Panel connectors ATTEN X or Y, and
Attenuator Cable
Pushbutton
Number
Pushbutton LEDs Pin Numbers Attenuator Cable Wire
Color Code
1 Red (24 Vdc)
2 White/Brown (Gnd)
SWITCHE
S
Connect to S9 and
S0 outputs
9 ON ATTEN X 3(S9-A) Gray
9 OFF ATTEN X 4(S9-B0 White/Red
0 ON ATTEN Y 3 (S0-A) Grey
0 OFF ATTEN Y 4 (S0-B) White/Red
ATTENUATORS
XY
1 5 OFF 5 Violet
ON 6 Yellow
26 OFF 7 Black
ON 8 Green
3 7 OFF 9 Orange
ON 10 Blue
48 OFF 11 Brown
ON 12 White
a. The ON/OFF status of the pushbutton lamps indicates which cable wire or pin on the
rear panel connector is grounded.For example, if ATTENUATOR X pushbutton 3 is illu-
minated, pin 10 of the ATTEN X connector (blue wire of the cable) is grounded and pin 9
floats at a high impedance.