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82 Appendix A Technical specifications
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•56/64K CSU/DSU WAN interface card
•ADSL WAN interface card
•ISDN BRI interface card
•T1 CSU/DSU WAN interface card
•T1/E1 CSU/DSU WAN interface card
•Quad T1/E1 CSU/DSU WAN interface card
•V.90 modem interface card
•Single V.35/X.21 WAN interface card
•HSSI WAN interface card
This section provides information about the option cards, including the connector and the cable pinouts for each supported network interface card. For more information about the restrictions on the option cards see Table 16 on page 68.
VPN Router Security Accelerator
Nortel supports the VPN Router Security Accelerator option card that performs bulk encryption and compression algorithms for IPsec tunnel traffic.
Figure 30 shows the VPN Router Security Accelerator card.
Figure 30 VPN Router Security Accelerator card
The VPN Router Security Accelerator card uses a single Hifn 7854 chip for encryption and compression and has 64 MB of onboard RAM. It supports Advanced Encryption Standard