User Manual

1785-5.19 - January 1999
Optical Transceiver 7
Technical Data
Transceiver interface (AUI)
Operating voltage +12 V
Current consumption (no signal) 200 mA
Bit rate (Manchester Code) 10 Mbit/s
Dimensions W x H x D 44 mm x 22 mm x 91 mm (1.8 in. x .83 in. x 3.6 in.)
Weight 130 g
Ambient temperature 0° C to +50° C
Storage temperature –20° C to +80° C
Relative humidity 10 % to 90 % (non-condensing)
Fiber optic interface: Transmitter
Light source LED
Wave length 820 nm
Minimum peak optical power [in dBm/µW] fed
into the fiber optic cable
50/125
62.5/125
–19/ 12.6
–16/ 25
Fiber type gradient
IDLE-Signal 1 MHz ± 10%
Preamble loss transmit typ. 1 bit; max. 2 bit
Steady state delay 20 ns
Jabber protect time out 70 ms
Jabber reset 450 ms
Fiber optic interface: Receiver
Photo detector PIN diode
Optical input power > –31 dBm (0.8 µW)
Bit error rate (1µW)
< 10
–
9
Low light threshold –30 dBm (1 µW)
Saturation limit ≥ –9 dBm
Preamble loss receive typ. 1 bit; max. 3 bit
Steady state delay 20 ns
Collision detection time (Data in → SQE out) max. 350 ns
Input:
Termination resistor
Sensitivity
Maximum DC component
78 Ω ±1%
500 mVPP
± 50 V
Output:
Output voltage
(data and CD signal)
CD signal frequency
SQE Test (heartbeat)
delay time
length
AUI cable length
1,6 VPP
10 MHz ± 10%
can be disabled
1100 ns
1000 ns
0 to 50 m max.