GE MultiLink ML600, Инструкция по эксплуатации, Страница: 8 / 36

1–4 MULTILINK ML600 ETHERNET COMMUNICATIONS SWITCH – INSTRUCTION MANUAL
INTRODUCTION CHAPTER 1: INTRODUCTION
ALARM RELAY
Internal 60 VA relay contact: ...................open for power off
closed for power on (hardware).
POWER SUPPLY
These products are to be supplied by a listed, direct plug-in power unit, marked “Class 2”, or a
listed ITE power supply, marked “LPS”, which has suitably rated output voltage (i.e. 24 or
48 V DC), and suitably rated output current (i.e. 100 to 500 mA). When connected to a 48 V DC
centralized source, these products shall be provided with a listed 5 A DC fuse in the supply
circuit.
Input (DC units): ...............................................10 to 36 V DC for 24 V DC unit
30 to 60 V DC for 48 V DC unit
Input (AC units).................................................6 ft. AC power cord to IEC 320 connector on 100 to
240 V AC at 47 to 63 Hz external power adapter (output
of 12 V DC, 1.25 A)
Power consumption:.....................................7.0 W typical, 9 W maximum
1.3.2 Environmental Specifications
OPERATING ENVIRONMENT
Ambient temperature: .................................long term per agency tests (UL): –13 to 140°F (–25 to
60°C)
short term per IEC type tests: –40 to 149°F (–40 to 85°C)
Storage temperature: –40 to 160°F (–40 to 85°C)
Ambient relative humidity: ........................5% to 95% (non-condensing)
Cold start:...........................................................to –20°C
Altitude:...............................................................–200 to 5000 ft. (–60 to 1520 m)
NEBS:....................................................................NEBS compliance, including vibration, shock, and altitude
1.3.3 Physical Specifications
PACKAGING
)
Enclosure: .........................................................rugged sheet metal (steel)
Dimensions:.......................................................3.7 in.
× 3.0 in. × 1.7 in. (H × W × D)
9.4 cm × 7.6 cm × 4.3 cm (H × W × D)
Weight: ................................................................13 oz. (370 g) for unit
5.8 oz. (165 g) for AC adapter
1.3.4 Approvals and Warranty
APPROVALS
UL:..........................................................................UL listed (UL60950), cUL, CE;
FCC:.......................................................................emissions meet FCC part 15 class A
NEBS:....................................................................level 3
ETSI:.......................................................................certified for carrier central offices
IEEE: ......................................................................IEEE P1613 environmental standard for electric power
substations
IEC:.........................................................................IEC61850 EMC and operating conditions class C for
power substations