Mitech Preloader
Syria, Damascus, Bahsa, Shbib #Bldg F1


Call for price : +963 11 9574

G2502 is a high-speed product of ZISA G.SHDSL series. Understanding the urgent needs of both bandwidth and routing functions, G2502 is designed to provide the business customer a high performance standalone unit with rich of routing features via single/two/four pairs G.SHDSL line. Strongly committed to friendly configuration, G2502 has the Web-based and GUI-based configuration features for configuring the unit in the easiest way ever.
G2502 is an ideal product for enterprise or mobile base station backhaul for Ethernet access.


G.SHDSL Specification

  • Downstream and upstream symmetrical data rates up to 60M in EFM with four pairs DSL line
  • ITU G.991.2 Annex A ,B,F,G
  • Line Code: TC-PAM 16/32/128
  • EFM bonding and SHDSL M-pair mode for 1/2/4 pairs
  • Fixed/ Auto rate negotiation : compliant G.994.1
  • STU-C/STU-R mode selectable
  • Impedance: 135 ohm
  • Performance monitoring: (error seconds, severely error seconds, unavailability seconds)
  • SNR /Attenuation Value calculation

Physical interfaces

  • 4 ports RJ45 for 10/100Mbs Ethernet LAN connection
  • 1 RJ-11 port for G.SHDSL connection
  • 1 console port for local configuration and management


ATM Protocol

  • VC multiplexing and LLC encapsulation
  • Multi-protocol over AAL5 (RFC 1483/2684 bridged and routed PDU)
  • Classical IP over ATM (RFC 1577 with MTU = 1500)
  • 4 PVCs
  • ATM QoS CBR, UBR, VBR, VBR-rt support
  • UNI 3.1/4.0 PVC
  • I.610 OAM F5 loopback

PPP Support

  • PPP (RFC 1661)
  • PPP over Ethernet (RFC 2516)
  • User authentication with PAP/CHAP
  • PPTP and L2TP ( VPN )

Routing Capability

  • Support IP/TCP/UDP/ARP/ICMP protocols
  • IP routing with static routing and RIPv2 (RFC1058/2453), OSPF( RFC1583 ), BGP
  • Network address translation (NAT/PAT) (RFC1631), one to one, many to one, many to many
  • DNS relay and caching (RFC1034/1035)
  • DHCP server (RFC2131/2132)
  • Support IP / MAC / DNS Filter
  • Support DDNS function


  • IEEE 802.1D transparent learning bridge
  • Up to 2048 MAC learning addresses
  • Raid spanning tree ( 802.3w )


  • Local console (RS232)
  • Telnet access
  • Web-based GUI (HTTP)

Network Management

  • Web-based GUI for express setup, configuration and management
  • Local console and Telnet access, command line and configure for sub-interfaces.
  • Password protected management and access control list for administration
  • SNMP management with SNMPv1/SNMPv2c
  • Software upgrade via TFTP server
  • Supports inband management vlan.


Power Supply

External power adapter 12V DC, 1000mA

LAN  Port

RJ45 x 4

WAN  Port

RJ11 x 2

Console Port

RJ45 x 1

Operating temperature

0° to 45°C

Storage temperature

-10° to 70°C


plastic case


220mm x 150mm x 40mm (L x W x H)



  • Easy configuration and management with password control for various application environments
  • Efficient IP routing and transparent learning bridge to support
  • broadband Internet services
  • Fully ATM protocol stack implementation over SHDSL
  • Getting enhancements and new features via firmware upgrade
  • Built-in 4-port 10/100Mbps switch
  • Web ,Telnet supported
  • One pair or Two pairs or four pairs DSL
  • WAN Port ping Disable /Enable
  • Support IEEE802.1p with 4 – level Queue
  • Support VLAN 802.1Q, QinQ
  • Support 4094 VLAN and VLAN ID and VLAN tag and remove features
  • Support basic firewall configuration. Support IP / MAC / DNS filter.
  • Support SNTP protocol to get network time.
  • Support rapid spanning tree.
  • PPTP, L2TP VPN or VPN pass-through for safeguarded connections
  • PPPoE support user authentication with PAP / CHAP
  • SNMP management with SNMPv1 / SNMPv2 agent and MIB II
  • Support OSPF
  • Support BGP


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Do the prices include shipping and handling fees?
the shown prices don't include shipping and handling charges.
When is a purchase order considered executable?
The purchase order is deemed executable upon receipt of a bank transfer notification of the value of the purchase order.
How is Product order procedure done?
The product can be ordered online by adding it to cart , then complete check-out procedure.
Is there a maintenance workshop and spare parts for the offered products?
We have technicians specialized in carrying out the necessary maintenance work and we also have original spare parts.
How long is the product warranty?
All THEKA products are guaranteed for one year in case of mis-manufacture only, and the warranty does not include malfunctions resulting from mis-use.
Can the product be shipped to the governorates of Syria?
Of course, when the customer places the order, he can specify the exact shipping address and his preferred shipping company, and the product will be shipped within 24 hours from the date of purchase.
Can the product be delivered inside Damascus?
Unfortunately, there is no delivery within Damascus governorate, delivery is usually done in our warehouses.
What payment methods are available?
Payment methods currently available are bank deposit in one of the banks specified on our site - or cash on delivery.
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