U L T R A F L E X H D P D U U S E R M A N U A L
3.7.3.1
Testhead Fan connector J46
below for details on testhead fan connector J46: Connector used is Amp Mate-
N-Lok series, part number 770028-1 with sockets 194213-1 for fan power and sockets 1-770253-0 for the fan
speed control wires. Recommended mating part numbers are housing 770021-1 with pins 194212-1 for fan
power and pins 1-770252-0 for the fan speed control wires.
Figure 18 – Testhead fan connector J46
Pin Number
Pin type
Description
1
Socket 194213-1
+48V DC output
2
Socket 194213-1
+48V DC return
3
Socket 194213-1
Chassis Ground
4
Socket 1-770253-0
Fan speed control 1
5 Socket
1-770253-0
Fan
speed control 1 return
6 -
No
contact
7 -
No
contact
8 -
No
contact
9 -
No
contact
Pin 3
Pin 1
Pin 4
Pin 5
Table 9 – J46 Pinout
3.7.3.2
Cabinet Fan connectors J47/J48
below for details on the cabinet fan connectors J47 and J48. The pinout for
both connectors is identical. Connector used is Amp Mate-N-Lok series, part number 770025-1 with sockets
194213-1. Recommended mating part numbers are housing 770018-1 with pins 194212-1.
708401 Rev B
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