Environmental - GE B30 Instruction Manual

2.4 SPECIFICATIONS
EMITTER TYPE CABLE
TYPE
1300 nm LED, 62.5/125 μm
multimode
50/125 μm
1300 nm ELED, 9/125 μm
2
single mode
1300 nm Laser, 9/125 μm
single mode
1550 nm Laser, 9/125 μm
single mode
Typical distances listed are based on the follow-
ing assumptions for system loss. As actual losses
vary from one installation to another, the distance
NOTE
covered by your system may vary.
CONNECTOR LOSSES (TOTAL OF BOTH ENDS)
ST connector
FIBER LOSSES
820 nm multimode
1300 nm multimode
1300 nm single mode
1550 nm single mode
Splice losses:
SYSTEM MARGIN
3 dB additional loss added to calculations to compensate for
all other losses.
AMBIENT TEMPERATURES
Storage temperature:
Operating temperature: –40 to 60°C; the LCD contrast can be
HUMIDITY
Humidity:
2-26
CONNECTOR TYPICAL DISTANCE
TYPE
BEFORE
JANUARY
2012
ST 4 km
ST 4 km
ST 11.4 km
ST 64 km
ST 105 km
0.7 dB (each)
3 dB/km
1 dB/km
0.35 dB/km
0.25 dB/km
One splice every 2 km,
at 0.05 dB loss per splice.
–40 to 85°C
impaired at temperatures less than –
20°C
operating up to 95% (non-condensing) at
55°C (as per IEC60068-2-30 variant 1, 6
days).
B30 Bus Differential System
FROM
JANUARY
2012
5 km
5 km
20 km
65 km
125 km
Compensated difference in transmitting and receiving (channel
asymmetry) channel delays using GPS satellite clock: 10 ms
OTHER
Altitude: 2000 m (maximum)
Pollution degree: II
Overvoltage category: II
Ingress protection: IP20 front, IP10 back
Noise: 0 dB
2 PRODUCT DESCRIPTION

2.4.10 ENVIRONMENTAL

GE Multilin