3Com Switch 7700 Installation Manual

Also see for Switch 7700: Installation guide Datasheet Configuration guide Configuration guide Configuration guide

Contents

S W I T C H 7 7 0 0 C O M P O N E N T STable 11 Attributes of the 8-port 1000BASEX (GBIC) GE CardAttribute 8GBICCPU MPC850BootROM 512KBSDRAM 64MbDimensions (L x W) 366.7mm x 340mmMaximum power consumption 50WQuantity of GBIC port(s) 8Optional GBIC module types3CGBIC 913CGBIC 923CGBIC 933CGBIC 97Port transmission speed 1000Mbps, full duplexCompliance IEEE 802.3zIEEE 802.3xEvery 8GBIC port has a green LED, as shown in Figure 7.Figure 7 The 8-port 1000BASEX (GBIC) GE module panel3C16858Table 12 describes the states of the LED.Table 12 Description of the 8-port 1000BASEX (GBIC) GE module LEDIndicator State descriptionGreen (LINK) — The port is connected to another portOff (LINK) — The port has not been connected to any other portLINK/ACTGreen Flashing — Data is being transmitted or received via the port.The cables for each of the supported 8GBIC modules are described in Table 13.Table 13 Description of the module port cablesGBIC Module Type Central Wave Length Connector Type Fiber InterfaceSpecificationsTransmissionDistance3CGBIC91 850 nm SC 50/125 mmMultimode Fiber550 meters3CGBIC92 1550nm SC 9/125 mm SingleMode Fiber10 Km3CGBIC93 N/A RJ-45 Cat 5E UTP 100 meters3CGBIC97 1550nm SC 9/125mm SingleMode Fiber70 Km8-port 10/100/1000BASE-T GE Card (8BT) (3C16861)The 8BT module, shown in Figure 8, provides 8 external 10/100/1000Mbps auto-sensing Ethernet electrical ports.16