7705 SAR-Hm and 7705 SAR-Hmc Overview
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SAR-Hm and SAR-Hmc Chassis Installation Guide
© 2022 Nokia. Nokia Confidential Information
Use subject to agreed restrictions on disclosure and use.
3HE 17810 AAAA TQZZA
The 7705 SAR-Hmc chassis is available in the following variants. The modules are
designed to support the radio protocols and bands used in the geographic regions
specified in Table 9.
All variants of the 7705 SAR-Hm and 7705 SAR-Hmc chassis have the same
physical features and run the same operating system software. The terms
7705 SAR-Hm and 7705 SAR-Hmc are used in this document as a generic reference
to all variants of the chassis. When referring to a specific chassis variant, the variant
and part number are specified.
The 7705 SAR-Hm and 7705 SAR-Hmc chassis are designed for DIN-rail or
flat-surface mounting and can be installed indoors or outdoors in enclosures (such
as the 7705 Outdoor Enclosure), cabinets, or huts that provide weather and
environmental protection in an extended temperature-controlled environment.
The 7705 SAR-Hm and 7705 SAR-Hmc support a low DC voltage input feed. The
7705 SAR-Hm supports a nominal rating of ± 12/24 VDC and the 7705 SAR-Hmc
supports a nominal rating of ± 12/24/48 VDC. A separately orderable 35W High
Voltage Power Supply Unit (HV-PS35) with an operating range of 88 VDC to 300
VDC or 90 VAC to 264 VAC is available for high-voltage applications.
The 7705 SAR-Hm chassis is equipped with six Fast Ethernet data ports and two
RS-232 RJ-45 ports, WLAN, 3G/LTE, and GPS antenna connectors, console and
alarm connectors, and indicator LEDs. All physical cabling connections are made at
the front of the chassis, including the chassis ground connection and DC power input.
All status and alarm LEDs are visible on the front of the chassis.
The 7705 SAR-Hmc chassis is equipped with three Fast Ethernet data ports and two
RS-232 ports in a single RJ-45 connector, an LTE and GPS antenna connector,
console and alarm connectors, and indicator LEDs. All physical cabling connections
are made at the front of the chassis, including the chassis ground connection and DC
power input. All status and alarm LEDs are visible on the front of the chassis.
Table 9 7705 SAR-Hmc Chassis Variants
7705 SAR-Hmc
Chassis Part Number
Variant Description
3HE12472AA 7705 SAR-Hmc NA
3HE12473AA 7705 SAR-Hmc NA Variant 2
3HE12474AA 7705 SAR-Hmc B31 (EMEA/CALA)
3HE12475AA 7705 SAR-Hmc B87 (EMEA/CALA)
3HE12477AA 7705 SAR-Hmc EMEA/APAC
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