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Chapter 3 Option card and DIMM installation 53
Nortel VPN Router Installation — VPN Router 1750
Option card installation and replacement
The VPN Router 1750 provides four slots for option cards. This section provides
instructions about how you can add new option cards to the VPN Router 1750 or,
if necessary, replace an existing card.
The following table lists the option cards that you can install in the VPN Router
1750.
Table 16 Supported option cards for the Nortel VPN Router 1750
Option card
Maximum
number Restrictions
SSL VPN Module 1000 1 Install this card in slot 1 only. The VPN Router 1750
must run Version 5.0 or later.
VPN Router 1750 Security Accelerator
1
Install one VPN Router 1750 Security Accelerator
card or one Hardware Accelerator card. Do not
install a Hardware Accelerator card in slot 4. The
VPN Router 1750 must run Version 4.90 or later.
Hardware Accelerator
10/100BASE-TX Ethernet interface 4 —
1000BASE-T (1000 GT) Ethernet
interface
4 The VPN Router 1750 must run Version 5.05.330,
6.05.140 and later, 7.00.062, 7.05.100 and later, or
7.05.300 and later.
1000BASE-T (1000 MT) interface
(copper)
2
Install two 1000BASE-T (1000 MT) cards, two
1000BASE-SX cards, or one card of each type. For
more information, see “Installing the SSL VPN
Module 1000 with other option cards” on page 54.
The VPN Router 1750 must run Version 4.90 or
later.
1000BASE-SX interface (fiber)
56/64K channel service unit/digital
service unit
(CSU/DSU) WAN interface
4 The VPN Router 1750 must run Version 5.0 or later.
ADSL WAN interface 4 The VPN Router 1750 must run Version 4.90 or
later.
Integrated Services Digital Network
(
ISDN) BRI S/T or U interface
4 The VPN Router 1750 must run Version 4.80 or
later.
T1CSU/DSU WAN interface (full-height) 4
For E1 support, you must install the half-height
interface card.
T1/E1 CSU/DSU WAN interface
(half-height)
4
Quad T1/E1 CSU/DSU WAN interface 3 The VPN Router 1750 must run Version 4.90 or
later.