TDK-Lambda HFE1600 User Manual page 7

IN / OUT Connector Pin Assignment
HFE 1600 - LAN
Connector Position Signal Names
B1 SIGNAL RETURN
B2 MODULE EXIST
B3 +12V AUX IN
B13 SCL
B17 SDA
B20 SMB ALERT
Note - If HFE LAN module is installed in the rack, +12V_AUX (pin 38 of J1 connector
on HFE/S1U rack) cannot be used as an auxiliary supply.
HFE 2500 - LAN
Connector Position Signal Names
B1 SIGNAL RETURN
B2 MODULE EXIST
B3 +12V AUX IN
B13 SCL
B17 SDA
B20 SMB ALERT
Note - If HFE LAN module is installed in the rack, +12V_AUX (pin 38 of J1 connector
on HFE/S1U rack) cannot be used as an auxiliary supply.
Description
Return for PMBus signals: SCL, SDA, SMB ALERT
Indicates that module is inserted into the shelf.
"Active low" when connected to SIGNAL RETURN
12V DC Input referenced to SIGNAL RETURN.
(11.2 ~ 12.5V, 500mA max)
Serial Clock signal
Serial Data signal
PMBus INTERRUPT Signal
Table 1. HFE 1600-LAN Pin Assignment
Description
Return for PMBus signals: SCL, SDA, SMB ALERT
Indicates that module is inserted into the shelf.
"Active low" when connected to SIGNAL RETURN
12V DC Input referenced to SIGNAL RETURN.
(11.2 ~ 12.5V, 500mA max)
Serial Clock signal
Serial Data signal
PMBus INTERRUPT Signal
Table 2. HFE 2500-LAN Pin Assignment
7