Cisco NM-1FE-TX - Interface Module Ethernet Fiche technique - Page 3
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Fast Ethernet with One and Two Port ISDN/PRI or Channelized T1/E1 Connectivity
Figure 3
NM-1FE1CT1, NM-1FE1CT1-CSU, NM-1FE2CT1, NM-1FE2CT1-CSU, NM-1FE1CE1B, NM-1FE1CE1U, NM-1FE2CE1B, and NM-1FE2CE1U
Network Modules
The new mixed media LAN/WAN network modules series offers a single network module that combines a single
10/100BaseTX interface with eight combinations of either one or two ISDN/PRI or Channelized T1/E1 to support
a wide range of LAN-to-LAN, LAN-to-WAN, and dial applications in a single network module. The single-port
10/100Base-TX interface supports autosensing and autonegotiation of 10/100 Mbps, and the ISDN/PRI interfaces
support most of the Cisco IOS software related dial features up to and including 11.3(4)T. The single-port
10/100BaseTX interface has one RJ-45 port. This port connects to two-pair Category 5 UTP cabling following the
100BaseTX physical layer protocol. The ISDN/PRI/Channelized T1/E1 interfaces are available with and without an
integrated CSU and in one or two-port versions. The network modules without integrated CSUs have a DB-15
connector and require a connection to an external CSU, whereas the network modules with integrated CSUs connect
directly to the network with an RJ-48 cable.
Figure 4
3620 Applications with Mixed Media Network Modules
3620 with 1FE + PRI +
1 Channelized T1 +
PRI
24 Digital Modems
PSTN
Frame Relay
Channelized
T1
FE LAN
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