Getnet Router GA-121A User Manual

							
  
 
 
 
 
 
 
 
 
 
GA-121A User Manual 
 
 
 
 
 
 
  
						

							
GA-121A User Manual 
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Contents 
1 Introduction ........................................................................\
................................ 1 
1.1 Packing List ........................................................................\
................... 1 
1.2 Safety Cautions ........................................................................\
............. 1 
1.3 LEDs and Interfaces ........................................................................\
...... 2 
1.4 System Requirements ........................................................................\
... 4 
1.5 Features ........................................................................\
........................ 4 
1.6 Supported Protocols ........................................................................\
...... 5 
2 Hardware Installation ........................................................................\
................. 6 
3 About the Web Configuration ........................................................................\
..... 9 
3.1 How to Access the Router ..................................................................... 9 
3.2 Status........................................................................\
........................... 10 
3.2.1 System ........................................................................\
.............. 10 
3.2.2 LAN ........................................................................\
................... 11 
3.2.3 WAN ........................................................................\
................. 11 
3.2.4 Port Mapping ........................................................................\
.... 11 
3.2.5 Statistics........................................................................\
............ 12 
3.2.6 ARP Table ........................................................................\
......... 13 
3.3 Wizard ........................................................................\
......................... 13 
3.4 Network ........................................................................\
....................... 21 
3.4.1 LAN ........................................................................\
................... 21 
3.4.2 WAN ........................................................................\
................. 26 
3.5 Service........................................................................\
......................... 32 
3.5.1 DNS ........................................................................\
.................. 32 
3.5.2 Firewall ........................................................................\
............. 34 
3.5.3 UPNP ........................................................................\
................ 40 
3.5.4 IGMP Proxy ........................................................................\
...... 40 
3.5.5 TR069 ........................................................................\
............... 41 
3.5.6 ACL ........................................................................\
................... 44 
3.6 Advance........................................................................\
....................... 44 
3.6.1 Bridge Setting ........................................................................\
... 45 
3.6.2 Routing ........................................................................\
............. 46 
3.6.3 Port Mapping ........................................................................\
.... 49 
3.6.4 QoS........................................................................\
................... 50  
						

							
GA-121A User Manual 
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3.6.5 SNMP ........................................................................\
............... 52 
3.6.6 Others ........................................................................\
............... 52 
3.7 Admin ........................................................................\
.......................... 53 
3.7.1 Commit/Reboot ........................................................................\
. 53 
3.7.2 Upgrade ........................................................................\
............ 54 
3.7.3 System Log ........................................................................\
....... 55 
3.7.4 Password ........................................................................\
.......... 56 
3.7.5 Time Zone ........................................................................\
......... 57 
3.8 Diagnostic ........................................................................\
.................... 57 
3.8.1 Ping........................................................................\
................... 57 
3.8.2 ATM Loopback ........................................................................\
.. 58 
3.8.3 ADSL ........................................................................\
................ 58 
3.8.4 Diagnostic Test ........................................................................\
. 59 
Appendix A USB Software Setup ...................................................................... 60 
  
						

							
GA-121A User Manual 
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1   Introduction 
The GA-121A is an ADSL access device that supports multiple line modes. It 
provides one 10/100 base-T Ethernet interfaces and one USB device interface at 
the user end. Utilizing the high-speed AD SL connection, the device provides 
users with broadband connectivity to the Internet or the Intranet for high-end 
users, such as, net bars and office us ers. The device provides high performance 
access to the Internet, downlink up to 24 Mbps and uplink up to 1 Mbps. 
1.1   Packing List 
  1 x GA-121A 
   1 x external splitter 
   1 x power adapter 
   2 x telephone cables (RJ11) 
   1 x Ethernet cable (RJ45) 
   1 x USB cable 
   1 x CD 
1.2   Safety Cautions 
Follow the following instructions to prevent the device from risks and damage 
caused by fire or electric power: 
   Use volume labels to mark the type of power. 
   Use the power adapter packed within the device package. 
   Pay attention to the power load of the outlet or prolonged lines. An  overburden power outlet or damaged li nes and plugs may cause electric 
shock or fire accident. Check the power cords regularly. If you find any 
damage, replace it at once. 
   Proper space left for heat dissipati on is necessary to avoid damage caused 
by overheating to the device. The  long and thin holes on the device are 
designed for heat dissipation to ensure that the device works normally. Do 
not cover these heat dissipation holes. 
   Do not put this device close to a pl ace where a heat source exits or high 
temperature occurs. Avoid the  device from direct sunshine.  
						

							
GA-121A User Manual 
   Do not put this device close to a place where it is over damp or watery. Do 
not spill any fluid on this device. 
   Do not connect this device to any PC s or electronic products, unless our 
customer engineer or your broadband provider instructs you to do this, 
because any wrong connection may  cause power or fire risk. 
   Do not place this device on an unstable surface or support. 
1.3   LEDs and Interfaces 
Front Panel 
 
 
The following table describes the LEDs of the device: 
LEDs ColorStatus Description 
On The device is powered on. GreenOff The device is powered off.  
Red On The device is self-testing, self-testing 
is failed, or the software is upgrading. 
On The device has established connection 
with the office physical layer. 
Blinks 
(fast) The device is handshaking with the 
office physical layer. ADSL Green
Blinks 
(slow) The device does not detect the signals.
On 
The device has a successful Internet 
connection in the routing mode, and no 
data is being transmitted. 
Blinks Data is being transmitted on the 
Internet in the routing mode. Green
Off The device is in bridge mode. 
Internet 
Red On After the successful synchronous in 
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GA-121A User Manual 
LEDs ColorStatus Description 
the routing mode, the Internet 
connection is failed.
 
On The device has successful LAN 
connection. 
Blinks 
Data is being transmitted on LAN or 
data is being transmitted on the 
Internet in the bridge mode. LAN Green
Off The LAN connection is failed. 
On The USB connection is normal. 
Blinks Data is being transmitted through the 
USB interface. USB Green
Off The USB connection is failed. 
 
Rear Panel 
 
 
The following table describes the interfaces of the device: 
Interface Description 
Line RJ-11 interface, for connecting to the ADSL interface or a 
splitter through the telephone cable. 
USB USB interface, for connecting to the USB host interface of the 
PC for USB Ethernet connection. 
Ethernet RJ-45 interface, for connecting to the Ethernet interface of 
the PC or the Ethenet devices with the cable. 
Reset 
Reset to the factory defaults. To restore factory defaults, keep 
the device powered on and push a paper clip into the hole. 
Press down the button over 3 seconds and then release. 
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Interface Description 
Power Power interface, for connecting to the power adapter of 12 V 
DC, 0.5 A. 
 
1.4   System Requirements 
Recommended system requirements are as follows: 
   A 10/100 base-T Ethernet card is installed on your PC 
   A hub or Switch. (attached to several PCs through one of Ethernet interfaces on the device) 
   Operating system: Windows 98SE, Windows 2000, Windows ME, Windows XP or Windows Vista 
   Internet Explorer V5.0 or higher, Netscape V4.0 or higher, or firefox 1.5 or higher 
1.5   Features 
The device supports following features: 
   Various line modes 
   External PPPoE dial-up access 
   Internal PPPoE and PPPoA dial-up access 
   Leased line mode 
   1483B, 1483R, and MER access 
   Multiple PVCs (eight at most) and these PVCs can be isolated from each other 
   A single PVC with multiple sessions 
   Multiple PVCs with multiple sessions 
  DHCP server 
   NAT and NAPT 
  Static route 
   Firmware upgrade: Web, TFTP, and FTP 
   Reset to factory default 
  DNS relay 
  Virtual server  
						

							
GA-121A User Manual 
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  DMZ 
   IP address mapping 
   Two-level passwords and user names 
  Web interface 
  Telnet CLI 
   System status display 
   PPP session PAP and CHAP 
  IP filter 
  IP QoS 
   Remote access control 
   Line connection status test 
   Remote management (Telnet and HTTP) 
   Backup and restoration of the configuration file 
   Ethernet interface supports crossover detection, auto-correction and polarity correction 
  UPnP 
1.6   Supported Protocols 
The device supports the following protocols: 
   ITU  G.992.1  (G.DMT) Annex A 
  ITU G.992.2 (G.LITE) 
   ANSI T1.413 Issue 2 
  ITU G.992.3 (ADSL2) 
  ITU G.992.5 (ADSL2+) 
  Annex L 
  Annex M  
						

							
GA-121A User Manual 
2   Hardware Installation 
Step 1 Connect the Line  interface of the device and the  Modem interface of 
the splitter through a telephone cable. Connect the phone to the 
Phone  interface of the splitter through a cable. Connect the incoming 
line to the  Line interface of the splitter. 
The splitter has three interfaces: 
   Line: Connect to a wall phone jack (RJ-11 jack) 
   Modem: Connect to the ADSL jack of the device  
  Phone : Connect to a telephone set. 
Step 2  Connect the  Ethernet interface of the device to the network card of the 
PC through an Ethernet cable (MDI/MDIX). 
I  Note: 
Use twisted-pair cables to connect with the hub or switch. 
Step 3  Plug one end of the power adapter to the wall outlet and connect the 
other end to the  Power interface of the device. 
Connection 1 
错误！未找到引用源。  displays the application diagram for the connection of the 
router, PC, splitter and the telephone sets, when no telephone set is placed 
before the splitter. 
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GA-121A User Manual 
 
Figure 1 Connection diagram (Without connecting telephone sets before the splitter) 
Connection 2 
Figure 2 shows the connection when the splitter is installed close to the router. 
 
Figure 2 Connection diagram (Connecting a telephone set before the splitter) 
  Note: 
When connection 2 is used, the filter must be installed close to the telephone 
cable. See Figure2. Do not use the splitter to replace the filter. 
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