Key specification – 708tx, 708fx2, 708fxe2 – B&B Electronics 708TX - Manual User Manual
Page 151

(Revised 2010-7-30)
Page 151 of 154
KEY SPECIFICATION – 708TX, 708FX2, 708FXE2
Switch Properties
Number of MAC Addresses:
8,000
Aging Time:
Programmable
Latency Type:
2.9 µs
Switching Method:
Store & Forward
Physical
Height:
2.27" (5.8cm)
Width:
6.0" (15.3cm)
Depth: 708TX
3.75" (9.6cm)
708FX(E)2
4.70” / (11.94cm)
Weight (max):
1.7 lbs (0.8kg)
Din-Rail mount:
35mm
Electrical
Redundant Input Voltage:
10-30VDC (Regulated)
708FX(E)2 Input Current (max):
330mA max. @ 24VDC
708TX Input Current (max):
250
mA max. @ 24VDC
Inrush @ 24VDC:
11.8A/0.1ms @ 24VDC
Input Ripple:
Less than 100 mV
N-TRON Power Supply:
NTPS-24-1.3 (1.3 Amp@24VDC) (NOTE: Not appropriate for use with
M12, POE, and HV models.)
Environmental
Operating Temperature:
-40°C to 85°C
Storage Temperature:
-40°C to 85°C
Operating Humidity: 5% to 95%
(Non Condensing)
Operating Altitude 0 to 10,000 ft.
Shock and Vibration
(bulkhead mounting)
Shock: 200g @ 10ms
Vibration/Seismic:
50g, 5-200Hz,Triaxial
Reliability
MTBF: >2 Million Hours
Warranty: 3 years from the date of purchase.
Connectors
10/100BaseTX: (8) RJ-45 Copper Ports (708TX) and (6) RJ-45 Copper Ports (708FX2)
100BaseFX: (2) SC or ST Duplex Ports (716FX2)
Recommended Wiring Clearance:
Top: 1 " (2.54 cm)
Front: 4 " (10.16 cm) FX models
Front: 2 " (5.08 cm) TX models
Network Media
10BaseT:
>Cat3 Cable
100BaseTX:
>Cat5 Cable
minimum length : 1 meter
maximum length : 100 meters
100BaseFX
Multimode:
50-62.5/125µm
100BaseFXE
Singlemode:
7-10/125µm
100 Mb Fiber Transceiver Characteristics
Fiber Length
2km*
15km**
40km**
80km**
TX Power Min
-19dBm
-15dBm
-5dBm
-5dBm
RX Sensitivity Max
-31dBm
-31dBm
-34dBm
-34dBm
Wavelength Min/Max
1310nm
1310nm
1310nm
1550nm
* Multimode Fiber Optic Cable
** Singlemode Fiber Optic Cable