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Table 2
Physical Limitation of Serial Modules per Chassis
Physical Characteristics
Type of Module
Cisco
3660
Cisco 2600
and 2600xm
Cisco
3745
Cisco
3725
Cisco
3640
Cisco
3620
NM-1FE-TX, NM-1FE-FX, and NM-1FE-FX-V2
6
N/A
N/A
N/A
4
2
NM-1FE-SMF
6
1
1
1. Support for the NM-1FE-SMF is available on the Cisco 2691, only.
4
2
4
2
NM-1FE1CT1, NM-1FE1CT1-CSU, NM-1FE2CT1,
NM-1FE2CT1-CSU, NM-1FE1CE1B, NM-1FE1CE1U,
NM-1FE2CE1B, and NM-1FE2CE1U
6
N/A
4
2
4
2
NM-4E
6
1
N/A
N/A
3
2
NM-1E2W
6
N/A
N/A
N/A
4
2
NM-1E1R2W
6
N/A
N/A
N/A
4
2
NM-2E2W
6
N/A
N/A
N/A
4
2
NM-1E
6
1
N/A
N/A
3
2
Table 3
Cisco IOS Software Release Requirements for Network Modules
Module Model
Cisco IOS Release Number
NM-1FE-TX
11.2.(6)P or later
NM-1FE1CT1, NM-1FE1CT1-CSU, NM-1FE2CT1, NM-1FE2CT1-CSU,
NM-1FE1CE1B, NM-1FE1CE1U, NM-1FE2CE1B, and NM-1FE2CE1U
11.3(4)T or later
NM-4E
11.2.(5)P or later
NM-1E
11.2.(5!P or later
NM-1FE-FX
11.2(9)P or later
NM-1FE-FX-V2
12.0(24), 12.1(17), 12.2(13), 12.2(13)T, or later
NM-1FE-SMF
12.3(2)T or later
