Network Devices Ihsan Lumasa Rimra MSc DECN Politeknik Negeri Padang Networking Devices Media Media Multiplexer PC PC Network Diagram Example Media on PC 1. 2. 3. 4. Modem Ethernet PC Card (WLAN) DVB Modem - Connection Modem – Internal/External 2. Ethernet - Architecture Ethernet, a LAN technology (IEEE 802.3) 10Base-2:50Ω Thin cable, 185m. 10Base-5:50Ω Thick cable, 500m. 10Base-T:100Ω UTP cable, 100m. 10Base-F:Fiber optic cable, 1000m. 100Base-TX: 100Ω UTP/STP cable, 100m. 100Base-T4: 100Ω UTP (4p) cable, 100m. 100Base-FX: Fiber optic cable, 400m. 1000Base-T: 100Ω UTP/STP cable, 100m. Ethernet – 10Base5 Ethernet – 10Base2 Ethernet – 10BaseT NIC Connector type Coaxial Bayonet Twisted Cable RJ-45 Fiber Nut Connector (BNC) Pair Cable (8 wire) Optics SMA connectors 3. PC Card – WLAN (802.11) PC Card (WLAN) - 1 PC Card (WLAN) - 2 PC Card (WLAN) – Indoor Antena Media Wired Twisted Pair (TP) : STP & UTP Coaxial Fiber Wireless Microwave Satellite Network Cabling Twisted Pair Dua kawat yang saling melilit dan dibungkus oleh isolator tipis. Dirancang untuk mengurangi cross-talk akibat induktansi Digunakan untuk jaringan komputer Pemakaian bandwidthnya terbatas Shielded twisted-pair (STP) Unshielded twisted-pair (UTP) UTP – Unshielded Twisted Pair Pair 1 White/blue Blue Pair 2 White/Orange Orange Pair 3 White/Green Green Pair 4 White/Brown Brown RJ45 Connector UTP - Category Category Maximum Data Rate Usual Application CAT 1 Less than 1 Mbps CAT 2 4 Mbps CAT 3 16 Mbps Voice and data on 10BASE-T Ethernet CAT 4 20 Mbps Used CAT 5 100 Mbps CAT 5E 100 Mbps 155 Mbps Gigabit Ethernet CAT 6 200-250 Mbps Super-fast Broadband Applications. Analog voice (POTS), Integrated Services Digital Network Basic Rate Interface in ISDN Doorbell wiring Mainly used in the IBM Cabling System for token ring networks in 16 Mbps Token Ring Otherwise not used much 100 Mbps TPDDI (100BASE-T or Fast Ethernet) 10Base-T: Straight-thru cable 1: White Orange 2: Orange 3: White Green 4: Blue 5: White Blue 6: Green 7: White Brown 8: Brown PC HUB 1: White Orange 2: Orange 3: White Green 4: Blue 5: White Blue 6: Green 7: White Brown 8: Brown UTP – Straight Cable Wo/O Wg/B Wb/G Wbr/Br 10Base-T: Crossover cable 1: White Orange 2: Orange 3: White Green 4: Blue 5: White Blue 6: Green 7: White Brown 8: Brown PC PC 1: White Green 2: Green 3: White Orange 4: Blue 5: White Blue 6: Orange 7: White Brown 8: Brown UTP – Cross Cable Wg/G Wo/B Wb/O Wbr/Br 10Base-T: Crimp down the wires •RJ-45 jack & Plug Coaxial Cable Coaxial Cable Coaxial Cable Fiber Optic Cable Fiber Optical Sinyal yang dikirim dikonversi ke bentuk cahaya Bandwidth yang besar Kebanyakan digunakan untuk saluran utama komunikasi Microwave – Antenna (1) Omni 2.4GHz 8dBi Microwave – Antenna (2) Sectoral 14dBi 180deg Microwave – Antenna (3) Sectoral 17dBi 90deg Microwave – Antenna (4) Direct (Grid) 2.4 GHz 24dB Microwave – Power AMP Satellite - Broadband Media Comparison Multiplexer HUB Switch Bridge Router Hub versus Switch Hub memberikan hubungan untuk semua ports (i.e. masuk satu port dan keluar semua port). Passive hub – tidak ada pembangkitan sinyal Active hub – pembangkitan sinyal Switch mengarahkan pesan ke port yang tepat. Lebih mahal tapi lebih baik dalam penggunaan bandwidth Hub versus Switch LAN Hub device Hub LAN Switch device Switch Bridge – Access Point (WLAN) Router Menghubungkan segmen yang Mempunyai interface yang berbeda berbeda (Ethernet, Serial, Fiber) Router