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splitterless A type of DSL installation where no splitter is installed,
saving the cost of a service call by the telephone compa-
ny. Instead, each jack in the home carries both voice and
data, requiring a microlter for each telephone to prevent
interference from the data signal. ADSL is usually split-
terless; if you are unsure if your installation has a splitter,
ask your DSL provider. See also splitter, microlter.
subet A subnet is a portion of a network. The subnet is dis-
tinguished from the larger network by a subnet mask
which selects some of the computers of the network
and excludes all others. The subnet’s computers remain
physically connected to the rest of the parent network,
but they are treated as though they were on a separate
network. See also network mask.
subet mask A mask that denes a subnet. See also network mask.
TCP See TCP/IP.
TCP/IP Transmission Control Protocol/Internet Protocol The basic
protocols used on the Internet. TCP is responsible for di-
viding data up into packets for delivery and reassembling
them at the destination, while IP is responsible for deliv-
ering the packets from source to destination. When TCP
and IP are bundled with higher-level applications such as
HTTP, FTP, Telnet, etc., TCP/IP refers to this whole suite of
protocols.
Telet An interactive, character-based program used to access a
remote computer. While HTTP (the web protocol) and FTP
only allow you to download les from a remote computer,
Telnet allows you to log into and use a computer from a
remote location.
TFTP Trivial File Transfer Protocol. A protocol for le transfers,
TFTP is easier to use than File Transfer Protocol (FTP) but
not as capable or secure.
TTL Time To Live A eld in an IP packet that limits the life
span of that packet. Originally meant as a time duration,
the TTL is usually represented instead as a maximum hop
count; each router that receives a packet decrements this
eld by one. When the TTL reaches zero, the packet is
discarded.
twisted pair The ordinary copper telephone wiring long used by tel-
ephone companies. It contains one or more wire pairs
twisted together to reduce inductance and noise. Each
telephone line uses one pair. In homes, it is most often
installed with two pairs. For Ethernet LANs, a higher
grade called Category 3 (CAT 3) is used for 10BASE-
T networks, and an even higher grade called Category
5 (CAT 5) is used for 100BASE-T networks. See also
10BASE-T, 100BASE-T, Ethernet.
upstream The direction of data transmission from the user to the
- Contents 2
- 4 www.netcomm.com.au 4
- Overview 5
- NB5Plus4/W Package Contents 6
- Minimum System Requirements 7
- Do I need a Micro filter? 8
- LED Indicators 9
- Back Panel Ports 10
- Restoring Factory Defaults 11
- Default Settings 12
- Connecting your NB5Plus4/W 13
- Configuring your NB5Plus4/W 16
- Windows® XP PCs 18
- Windows 2000 PCs 18
- Windows Me PCs 18
- Windows 95, 98 PCs 19
- Advanced Settings 20
- Setup>LAN Configuration 22
- LanGroup #3 23
- Configuring LAN Groups 24
- IP Settings 25
- Services 27
- Ethernet Switch 27
- WAN Setup>New Connection 28
- PPPoE Connection Setup 30
- PPP Settings 30
- PPPoA Connection Setup 33
- Static Connection Setup 34
- DHCP Connection Setup 35
- Bridge Settings 35
- CLIP Connection Setup 36
- WAN Setup>Modem 37
- 38 www.netcomm.com.au 38
- Advanced 39
- Advanced>UPnP 40
- Advanced>SNTP 41
- Advanced>IPQoS 43
- QoS Setup Page 43
- Rules Configuration Page 43
- Traffic Queuing Configuration 44
- En-queuing Policy 45
- De-queuing Policy 46
- TOS-to-Priority Mapping 47
- Advanced>LAN Clients 48
- Advanced > LAN Isolation 48
- Advanced > Bridge Filters 49
- DMZ Settings 50
- Advanced > IP Filters 54
- Advanced > Access Control 54
- Tools>System Commands 55
- Tools>User Management 55
- Tools>Update Firmware 56
- Tools>Ping Test 56
- Advanced > Multicast 57
- Advanced > Static Routing 59
- Advanced>Dynamic Routing 60
- Advanced>Port Forwarding 61
- More about Port Forwarding 62
- Tools>Modem Test 64
- Status>Network Statistics 64
- Status > Connection Status 65
- Status > DHCP Clients 66
- Status > Modem Status 66
- EasyConfig 67
- Wireless Main Screen 68
- Wireless>Setup 70
- 76 www.netcomm.com.au 76
- User Isolation 80
- Save Your Changes 80
- Wireless>Configuration 81
- Wireless>Security 83
- Wireless>Security>WEP 84
- Wireless>Security>WPA 87
- Wireless>Management 88
- Create an Access List 89
- Appendix B: Specification 90
- ENCAPSULATION SUPPORT 91
- NETWORK SUPPORT 91
- SECURITY 93
- MANAGEMENT SUPPORT 93
- HARDWARE 95
- PLATFORM SUPPORT 95
- LED INDICATORS 95
- Appendix D: Glossary 96
- Straight-Through Cabling 99
- Cross-Over Cabling 99
- Contact Information 107
- Customer Information 107
- Product Warranty 108
- Limitations of Warranty 109
- 110 www.netcomm.com.au 110
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