H3C Technologies H3C MSR 50 - Manual (Page 94)

2-74
Table 2-61 Description of the LEDs on the SIC-3G-GSM panel
LED Description
WWAN
z
Steady green means that a link is present.
z Blinking green means that data is being transmitted or received.
RSSI
z Steady green means strong signal.
z
Blinking green means middle or low signal.
z
OFF means weak signal or no signal.
UMTS
z
Steady yellow means the service is valid.
z
OFF means no service.
HSDPA
z Steady yellow means the service is valid.
z
OFF means no service.
Interface cable
1) TNC RF antenna
The TNC RF interface on the SIC-3G-GSM uses a rod-shaped antenna, magnetic antenna, or ceiling
mount antenna for connection.
z
Rod-shaped antenna
The following table describes the specifications of the rod-shaped antenna.
Table 2-62 Specifications of the rod-shaped antenna
Item Description
Frequency scope 824-960 MHz / 1710-2170 MHz
Voltage standing wave ratio ≤ 2
Input impedance 50 Ω
Gain 1.5 dBi
Polarization type Vertical
Maximum input power 10 W
Interface TNC-Male
Lightning protection
Direct current grounding
Height 153 mm (6.02 in.)
Weight 26 g (0.92 oz)
Length None
Color Black
Operation temperature
–30 °C to 60 °C (–22°F to 140°F)