CHAPTER 1: Specifications
5
1. Specifications
Standards:
IEEE 802.3 10BASE-T Ethernet, IEEE 802.3u 100BASE-TX/FX Fast Ethernet, ANSI/IEEE 802.3x
flow control for full duplex
Protocol:
CSMA/CD
Topology:
Star
Transmission Method:
Store-and-forward
Distance (Maximum):
LGB2007A: 328 ft. (100 m) over Category 3, 4, or 5 UTP cable;
LGB2007C-SC, LGB2007C-ST: 1.3 mi. (2.1 km) over 50-, 62.5-, or 125-µm multimode fiber;
LGB2007C-SSC: 12.6 mi. (20.3 km) over 8-, 9-, or 125-µm single-mode fiber
Speed:
Ethernet: 10 Mbps (half-duplex), 20 Mbps (full duplex);
Fast Ethernet: 100 Mbps (half-duplex), 200 Mbps full duplex
Media:
10BASE-T: UTP Category 3, 4, or 5;
100BASE-TX: UTP Category 5
Port Module Option:
Slide-in slot for 100-Mbps fiber module (LGB2007C-SC, LGB2007C-ST, or
LGB2007C-SSC)—see separate module manual
RAM Buffer:
Total 2.5 M bits per device
Filtering Address Table:
8 K
Packet Filtering/Forwarding Rate:
148,800 or 14,800 pps, wire speed per port (for 100 Mbps and 10 Mbps)
Connectors:
(24) 10-/100-Mbps RJ-45, (1) RJ-45 RS-232 console, (1) fiber slide-in slot for multimode or
single-mode module with (2) SC or ST, (1) power
Indicators:
(73) LEDs: (1) Power, (24) Link/Act, (24) FDX/Col, (24) 100
Temperature Tolerance:
Operating: 32 to 113°F (0 to 45°C); Storage: 32 to 140°F (0 to 60°C)
Humidity Tolerance:
Operating: 10 to 90%; Storage: 5 to 95%
Power:
90–264 VAC, 47–63 Hz, 10 watts maximum
Size:
1.75"H (1U) x 17.5"W x 6"D (4.4 x 44.5 x 15.2 cm)
Summary of Contents for LGB2007A
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