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T1/E1
T1/E1 Drop
& Insert
PBX
• Extend life of serial routers
• Update the functionality of serial network equipment
• Connect to serial NTUs
• Integrate T1/E1 voice and IP data over one circuit
• Reuse spare DS0s for sub T1/E1 data
Ethernet LAN
Ethernet LAN
V.35/X.21
WWW
Voice & Data
VPN Service
Model 2803
Model 2620
Model 2621/2635
Enterprise HQ
These units are low cost WAN routers which provide “Ethernet to X.21 or V.35 converter” functionality.
If you need to add a second Ethernet port to an existing modular router or provide IP access for exist-
ing leased-line based networks, the 2621 and 2635 are right for you.
The Model 2621/2635 WAN Router provides basic IP access across any TDM WAN net-
work by providing standard X.21 and V.35 WAN interfaces
If you have an existing leased line or a TDM network carrying legacy TDM data and you want to add some IP con-
nectivity between locations, the Model 2620 is right for you.
The Model 2620 is a multi-port T1/E1 WAN Router that supports TDM drop and insert between
both T1/E1 ports and the on-board IP Ethernet Ports. With full routing functionality, the 2620 allows users to leverage
existing legacy networks to add IP applications.
If you are a Carrier or Service Provider delivering a managed IP VPN service across WAN circuits, the 2803 series
is right for you. Boasting QoS, IPSec/VPN Tunneling as well as DES/3DES and AES encryption, plus Firewall and
IKE security, the 2800 series is ideal for your banking, government, and other security-minded customers.
The Model 2800 Series is a line of IPSec/VPN Enterprise Routers with strong
encryption and a variety of integrated WAN interface options.
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