•
•
•
•
•
•
•
•
•
•
•
•
—LAN with channelized/ISDN PRI
8 and 16 analog modem network modules
Channelized T1, ISDN PRI and E1 ISDN PRI network modules
Combined FastEthernet and PRI network modules
4- and
4- and
1- and
8 and 16 port analog modem modules
Compression network module
The figure below shows how a vacant chassis slot on the Cisco 3640 accepts a mixed media network module, which in turn accepts a WAN interface card.
Figure
Vacant chassis slot
Slot 3
Slot 1
2E 2W W1
B1
B2
| BRI |
|
|
| S/T |
| WO |
ETH 1 | ACT | LNK |
|
|
| ETH 0 | AUI |
|
| EN | |
|
|
|
WAN interface cards
slide into network modules
Network modules slide into vacant chassis slots
Slot 2
Slot 0
H7340
Note For detailed information about network modules (NMs), WAN interface cards (WICs), and Voice interface cards, (VICs), see the “NMs, WICs, and VICs for the Cisco 3600 Series, 2600 Series, and 1600 Series” section in this chapter.
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