Table 118 Power Input Specifications; Table 119 Power Input Specifications; Table 120 Fuse Specifications (Ies-1248-71 Ac Power Version); Table 121 Fuse Specifications (Ies-1248-71 Dc Power Version And Ies-1248-73) - ZyXEL Communications IES-1248-71 User Manual

Appendix A Product Specifications
Power Input
The following table lists the power input specifications.

Table 118 Power Input Specifications

IES-1248-71 DC POWER VERSION AND IES-1248-73
-48 VDC +/- 8 V ~ -60 VDC +/- 10 V, 120 W minimum
Power Consumption
The following table lists the power consumption.

Table 119 Power Input Specifications

IES-1248-71 DC POWER VERSION
AND IES-1248-73
120 W maximum
Fuse Rating
The following specifications are for the IES-1248-71 AC power version.

Table 120 Fuse Specifications (IES-1248-71 AC Power Version)

FUSE LOCATION
Front panel (AC inlet)
Changing fuses for the IES-1248-71 DC power version and IES-1248-73
requires disassembly of the device. Only a qualified technician should perform
this.
The following specifications are for the IES-1248-71 DC power version and IES-1248-73.

Table 121 Fuse Specifications (IES-1248-71 DC power version and IES-1248-73)

FUSE LOCATION
Mother Board
DC Switch Board
ALARM Port Power
The maximum power rating for the ALARM port is as follows:
• Input: no power, dry contact; use open or short circuits without any external input power
• Output: no power, dry contact; maximum 20 V external voltage applied to alarm output
contact while contact open, and maximum 500mA external current applied to alarm output
contact while contact closed
Operating Environment
• IES-1248-71 DC power version and IES-1248-73 temperature: -40 - 65°C
• IES-1248-71 AC power version temperature: 0 - 50°C
440
IES-1248-71 AC POWER VERSION
100~240 VAC, 50~60 Hz, 2 A Max
IES-1248-71 AC POWER VERSION
140 W maximum
FUSE RATING
250 VAC, Time lag T4A
FUSE RATING
250 VAC, T5.0A
250 VAC, T6.3A
IES-1248-71/73 User's Guide