6 DB-9 Figure 6-1. DB-9 6-1
DB-9 EIA CCIT T DB9 DTE # PC DB9 DTE # DB9 DCE # 9 COM DTE-DCE CF 109 DCD 1 1 8 <------ BB 104 RxD 2 2 3 <------ BA 103 TxD 3 3 2 ------> CD 108.2 DTR 4 4 20 ------> AB 102 SG 5 5 7 -------- CC 107 DSR 6 6 6 <------ CA 105 RTS 7 7 4 ------> CB 106 CTS OK 8 8 5 <------ CE 125 RI 9 9 9 22 <------ CCITT 9 COM 1 DCD -----------DCD ---------- 1 2 RXD <---------TXD ------------ 3 3 TXD -----------RXD ----------> 2 4 DTR -----------DSR ----------> 6 5 SGND -----------SGND ---------- 5 6 DSR -----------DTR ---------- 4 7 RTS -----------CTS ----------> 8 8 CTS <---------RTS ------------ 7 9 RI -----------RI ---------- 9 6-2
25 DCE 9 CCITT 1 <---------DCD ------------ 8 2 <---------RXD ------------ 3 3 -----------TXD ----------> 2 4 -----------DTR ----------> 20 5 -----------SGND ---------- 7 6 <---------DSR ------------ 6 7 -----------RTS ----------> 4 8 <---------CTS ------------ 5 9 <---------RI ------------ 22 25 DCE 25 DTE Switch s 9-Pin Serial Port Null Modem PC s 25-Pin DTE Port 1 DCD 1 1 8 DCD 2 RXD 2 3 3 TXD 3 TXD 3 2 2 RXD 4 DTR 4 8 20 DTR 5 SGND 5 20 7 SGND 6 DSR 6 7 6 DSR 7 RTS 7 4 4 RTS 8 CTS 9 5 5 CTS 9 RI 20 6 22 RI 6-3
Memo 6-4
Bandwidth Utilization BOOTP OS Distance Vector Multicast Routing Protocol (DVMRP) RIP Reverse Path Broadcasting (RPB) GARP VLAN Registration Protocol (GVRP) VLAN VLAN VLAN Generic Attribute Registration Protocol (GARP) GARP LAN Group Address Registration Protocol Group Attribute Registration Protocol Generic Attribute Registration Protocol Generic Multicast Registration Protocol (GMRP) IEEE 802.1p ICMP Router DiscoveryICMP ICMP Router Discovery ICMP -1
Internet Control Message Protocol (ICMP) Ping IEEE 802.1D MAC IEEE 802.1Q VLAN VLAN LAN VLAN IEEE 802.3ac VLAN Internet Group Management Protocol (IGMP) querier IGMP SnoopingIGMP IP IP IGMP Query IGMP Report IP IP Multicast FilteringIP Layer 2 OSI7 MAC -2
Layer 3 OSI7 Link Aggregation Port Trunk Management Information Base (MIB) Management Information Base Multicast Switching VLAN Open Shortest Path First (OSPF) RIP (VLSM) Port Mirroring RMON Port Trunk Remote Monitoring (RMON) SNMP -3
Routing Information Protocol (RIP) RIP-2 RIP Simple Network Management Protocol (SNMP) Spanning Tree Protocol (STP)( Telnet TCP/IP Trivial File Transfer Protocol (TFTP) TCP/IP Virtual LAN (VLAN)( LAN) LAN XModemX 128-4
Numerics 802.1p,, 802.1Q VLAN,, 802.3x A ARP (Address Resolution Protocol),,, auto-negotiation, B BOOTP, BOOTP relay BOOTP, BPDU (Bridge Protocol Data Unit) C CoS (Class of Service),, D DHCP relay DHCP, DVMRP (Distance Vector Multicast Routing Protocol),,, G GARP (Group Address Registration Protocol),, GMRP (GARP Mulitcast Registration Protocol) VLAN VLAN GMRP (GARP Mulitcast Registration Protocol) GVRP (GARP VLAN Registration Protocol) VLAN VLAN GVRP (GARP VLAN Registration Protocol) H HTTP I IGMP (Internet Group Management Protocol),, snooping,, IP,,,, -1
L,,,,,, IP,,, l M MAC, O OSPF (Open Shortest Path First) P Ping Proxy ARP PVID,, R RIP (Routing Information Protocol), RIP, RIP2, RMON (Remote Monitoring), S SNMP SNMP (Simple Network Management Protocol), STA (Spanning Tree Algorithm),,, STA T TFTP, V VLAN (Virtual LAN) -2
VLAN ( LAN) VLANVirtual LAN VLAN LAN W Web Web Web X XModem,, SNMP software,, SNMP,, priority threshold,, information, restart menu XModem,,,,, IP, MAC, Web -3
,,,,,,,,,,,,,,, Ethernet, RMON,,,,,,,,,,,,, 25 DTE,,,, auto-negotiation, priority threshold, STA, VID,,,,,,,,,,,, -4
,,,,,,,,,,, RMON,,,,, 2, Web, -5
Memo -6
LSM-L3-24 2001 12