Appendix B: Technical Specifications
Summit Family Switches Hardware Installation Guide
496
Table 104 shows the wire-to-pin connections for the connector on the rear panel of the EPS-160 power
supply.
Table 103: EPS-160 External Power Module (Model 10907)
For use with the Summit X150-24t, X150-48t, X250e-24t, X250e-24x, X250e-48t, X450-24t,
and X450-24x switches
Operational voltage range 90 to 264 V
Nominal input ratings 100 to 250 V, 4 to 2 A, 47 to 63 Hz
Line frequency range 47 to 63 Hz
Input current 2 A at 100 V
1 A at 240 V
Line frequency 50 to 60 Hz
Maximum inrush current 30 A at 115 V , 50 A at 230 V
Output 12 V , 11 A
5 V , 1.5 A
Power supply cord type AC
Power supply input socket IEC 320 C14
Power supply input plug IEC 320 C13
Power cord wall plug Refer to “Power Cord Requirements for AC-Powered Switches and
AC Power Supplies” on page 500.
Power supply cord gauge 18 AWG (0.75 mm
2
) up to 6 feet or 2 meters
or
16 AWG (1.0 mm
2
) over 6 feet
Efficiency 80% at 100% load
Heat dissipation, Watts/BTU 38.5 W, 131.4 BTU/hr
Power consumption, Watts, BTU/hr 178 W, 607.4 BTU/hr
Ambient operating temperature 0° C to 40° C (32° F to 104° F)
Table 104: Pinouts for the Redundant Power Supply Connector
Connector
Pin
Number Wire Label Pin Number Wire Label
1NC 8 RS+
2 GND 9 GND
3GND10 INT PG
4 GND 11 EXT_CON
5 GND 12 EXT_PG
6+12 V13 +5 V
7 +12 V 14 +12 V
ES4K028
17
814
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