Nortel Networks 2700 User Manual

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  Appendix A  Technical specifications
NN46110-311 02.01
10/100/1000BASE-X Ethernet interface card (RoHS-compliant)
1000BASE-T Ethernet interface card
1000BASE-SX Ethernet interface card
56/64K CSU/DSU WAN interface card
ADSL WAN interface card
ISDN BRI interface card
T1 CSU/DSU WAN interface card (full-height card)
T1/E1 CSU/DSU WAN interface card (half-height 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.
VPN Router Security Accelerator cards
Nortel supports the VPN Router Security Accelerator option card that performs 
bulk encryption and compression algorithms for IPsec tunnel traffic.
 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 (AES)-128 cryptography with SHA-1 
authentication and triple Data Encryption Standard (DES) cryptography with 
either Message Digest 5 Algorithm (MD5) or Secure Hash Algorithm (SHA)-1 
authentication.