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

Page 151

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(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