Nortel Networks 2750 manual Installing and replacing option cards

68Chapter 4 Installing option cards and DIMMs

Installing and replacing option cards

The VPN Router 2750 has four slots for option cards (Figure 22 on page 66). This section provides instructions about adding new option cards to the gateway or, if necessary, replacing an existing card. Table 16 lists the option cards that you can install in the VPN Router 2750.

Table 16 Supported option cards for the Nortel VPN Router 2750 2750

	Maximum
Option card	number	Restrictions
SSL VPN Module 10001	1	Install this card in slot 1 only.
VPN Router 2750 Security Accelerator2	1
10/100BASE-TX Ethernet interface	4
1000BASE-T (1000 GT) Ethernet	4
interface3
1000BASE-T (1000 MT) interface		Install two 1000BASE-T (1000 MT) (1000 MT)
(copper)4	2	cards, two 1000BASE-SX cards, or one card of
		each type. (But see Table 17 on page 69.)
1000BASE-SX interface (fiber)5
56/64K channel service unit/digital	4
service unit (CSU/DSU) WAN interface6
Asymmetric digital subscriber line	4
(ADSL) WAN interface7
Integrated Services Digital Network	4
(ISDN) BRI S/T or U interface8
T1 CSU/DSU WAN interface	4
(full-height)		For E1 support, you must install the half-height
T1/E1 CSU/DSU WAN interface	4	interface card.
(half-height)
Quad T1/E1 CSU/DSU WAN interface9	3
V.90 modem interface10	4	If an SSL VPN Module 1000 is in slot 1, do not
		install the V.90 modem interface card in slot 2.
Single V.35/X.21 WAN interface	4
(full-height)
Single V.35/X.21 WAN interface	4
(half-height)11
HSSI WAN interface12	2	Do not install in slot 4; install in slot 3 or 1 if
		possible. If an SSL VPN Module 1000 is installed,
		you can install only one HSSI WAN interface card.

NN46110-318 02.01