Cabling Requirements; Environmental Requirements; Physical Specifications; Power Specifications - 3Com 10-Port 100BASE-FX Quick Start Manual

22 10-Port 100BASE-FX and 20-Port 10/100BASE-TX Fast Ethernet Layer 2 Switching Modules Quick Start Guide
Module
Specifications
The following tables list specifications for the 10-port 100BASE-FX and
20-port 10/100BASE-TX Fast Ethernet Layer 2 Switching Modules:

Cabling Requirements

Module Required Cable Type
100BASE-FX Multimode fiber
(3CB9LF10MC) 62.5/125 micron
10/100BASE-TX UTP Category 5
(3CB9LF20R)

Environmental Requirements

Operating temperature
Operating humidity
Storage temperature
Storage humidity

Physical Specifications

Module Dimensions
100BASE-FX 25.4 mm x 340.36 mm x 388.112 mm
(3CB9LF10MC) (1 in. x 13.4 in. x 15.28 in.)
10/100BASE-TX 25.4 mm x 340.36 mm x 388.112 mm
(3CB9LF20R) (1 in. x 13.4 in. x 15.28 in.)

Power Specifications

Module Voltage
100BASE-FX +5.2 V
(3CB9LF10MC)
+3.5 V
+12 V
Total Wattage = 60
10/100BASE-TX +5.2 V
(3CB9LF20R)
+3.5 V
+12 V
Total Wattage = 71
Maximum Segment Length
Half-duplex mode: 400 m (1312 ft
Full-duplex mode: 2 km (1.2 mi)
Up to 100 m (328 ft)
0 to 50 C (32 to 122 F)
10% to 90% relative humidity, noncondensing
–40 to 66 C (–40 to 151 F)
5% to 95% relative humidity, noncondensing
Wattage
25 W
33 W
2 W
28 W
41 W
2 W
Weight
1.135 kg
(2.5 lb)
1.1804 kg
(2.6 lb)