7
ISDN BRI Network Modules
4-port ISDN BRI network module with an
S/T interface
NM-4B-S/T
4-port ISDN BRI with NT1 network mod-
ule
NM-4B-U
8-port ISDN BRI network module with an
S/T interface
NM-8B-S/T
8-port ISDN BRI with NT1 network mod-
ule
NM-8B-U
Asynchronous/Synchronous Network
Modules
4-port asynchronous/synchronous serial
network module
NM-4A/S
8-port asynchronous/synchronous serial
network module
NM-8A/S
16-port asynchronous serial network mod-
ule
NM-16A
32-port asynchronous serial network mod-
ule
NM-32A
Ethernet Network Modules
1-port Ethernet network module NM-1E
4-port Ethernet network module NM-4E
Fast Ethernet Network Module
1-port Fast Ethernet network module 100-
Base-TX (RJ-45)
NM-1FE-TX
1-port Fast Ethernet network module 100-
Base-FX (Fiber optic)
NM-1FE-FX
Serial Network Module
4-port serial network module NM-4T
WAN Interface Cards
1-port serial WAN interface card WIC-1T
1-port ISDN BRI WAN interface card3 WIC-1B-S/T
1-port ISDN BRI with NT1 WAN interface
card3
WIC-1B-U
1-port, 4-wire, 56-kbps DSU/CSU WAN
interface card
WIC-1DSU-56K4
Blank WAN interface card panel WIC-BLANK-PANEL=
Cisco 3640 DRAM Memory
4-MB DRAM SIMM MEM3640-4D=
8-MB DRAM SIMM MEM3640-8D=
16-MB DRAM SIMM MEM3640-16D=
32-MB DRAM SIMM MEM3640-32D=
16- to 24-MB DRAM upgrade MEM3640-16U24D
16- to 32-MB DRAM upgrade MEM3640-16U32D
16- to 48-MB DRAM upgrade MEM3640-16U48D
16- to 64-MB DRAM upgrade MEM3640-16U64D
16- to 128-MB DRAM upgrade MEM3640-16U128D
Part Description Part Number