IEM-3400-8P – 8xGE PoE Ports – IE3400 Expansion Module
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IEM-3400-8P Description
IEM-3400-8P is a Cisco Catalyst IE3400 Rugged Series expansion module for the IE-3400-8P2S platform, built to add eight Gigabit Ethernet copper PoE/PoE+ ports in industrial edge deployments that need more powered endpoint capacity without replacing the base switch. Cisco confirms that this module is specific to the IE-3400-8P2S, supports the advanced hardware feature set available with IEM3400 modules, does not support 90W PoE, and draws 20 W at 54 V excluding powered-device load, while the base-plus-module system expands to 18 total ports.
Quick Specs
|
Parameter |
Specification |
|---|---|
|
SKU |
IEM-3400-8P |
|
Cisco ordering PID |
IEM-3400-8P= |
|
Product type |
Expansion module |
|
Compatible base switch |
Cisco IE-3400-8P2S |
|
Added port count |
8 ports |
|
Port media |
Gigabit Ethernet copper |
|
PoE support |
PoE and PoE+ supported |
|
90-W PoE support |
Not supported on this expansion module |
|
Advanced hardware features |
Yes |
|
Total system ports with module |
18 ports |
|
Module power consumption |
20 W at 54 V, excluding powered-device load |
|
Hot-swap support |
Expansion modules are not hot-swappable |
Application Scenarios
IEM-3400-8P fits IE-3400-8P2S deployments that need eight more powered Gigabit copper ports for industrial devices that draw PoE or PoE+ from the switch system.
Use the current module when the added ports must supply PoE/PoE+; IEM-3400-8T keeps the eight-port copper expansion role but does not provide the PoE function shown for IEM-3400-8P.
Plan the module addition or replacement during a powered-down maintenance window, because Cisco states that expansion modules are not hot-swappable and should not be attached while the switch is energized.
Product Comparison
|
Parameter |
IEM-3400-8P | |||
|---|---|---|---|---|
|
Product type |
Expansion module |
Expansion module |
Expansion module |
Expansion module |
|
Cisco ordering PID |
IEM-3400-8P= |
IEM-3400-8T= |
IEM-3400-8S= |
IEM-3300-8P= |
|
Compatible base switch |
IE-3400-8P2S |
IE-3400-8T2S or IE-3400-8P2S |
IE-3400-8T2S or IE-3400-8P2S |
IE-3300-8P2S, IE-3300-8U2X, or IE-3400-8P2S |
|
Total system ports with module |
18 ports |
18 ports |
18 ports |
18 ports |
|
Expansion port count |
8 ports |
8 ports |
8 ports |
8 ports |
|
Port media |
Gigabit Ethernet copper |
Gigabit Ethernet copper |
Gigabit Ethernet SFP |
Gigabit Ethernet copper |
|
PoE/PoE+ support |
Yes |
No |
No |
Yes |
|
90-W PoE support |
No |
No |
No |
No |
|
Advanced hardware features |
Yes |
Yes |
Yes |
No |
|
Module power consumption |
20 W at 54 V |
12 W |
27 W |
14 W |
- In an IEM-3400-8P vs IEM-3400-8T comparison, the main difference is PoE/PoE+ support: IEM-3400-8P adds powered GE copper ports, while IEM-3400-8T is the non-PoE copper expansion choice.
- The IEM-3400-8P vs IEM-3400-8S difference is the expansion media plan, because IEM-3400-8P uses copper PoE/PoE+ ports and IEM-3400-8S uses GE SFP ports.
- For an IEM-3400-8P vs IEM-3300-8P comparison, both are 8-port PoE expansion modules, but Cisco marks advanced hardware features as Yes for IEM-3400-8P and No for IEM-3300-8P.
- Buyers deciding which model to choose should first lock the base switch and endpoint media, then use the PoE/PoE+ and advanced-hardware rows to separate the closest expansion-module SKUs.
Selection Guide
1. Match the base switch first
Choose IEM-3400-8P only when the BOM uses a Cisco IE-3400-8P2S base switch that supports the PoE expansion module.
2. Keep IEM-3400-8P for powered copper ports
Select this SKU when the extra eight Gigabit copper endpoints require PoE or PoE+ power rather than data-only copper ports.
3. Use IEM-3400-8S for SFP expansion
Move to IEM-3400-8S when the expansion requirement is Gigabit SFP connectivity instead of RJ-45 copper PoE/PoE+ endpoint ports.
4. Check power and installation timing
Verify the PoE input-voltage plan, total PoE budget, and maintenance window before the module is added, since Cisco documents power requirements and non-hot-swap installation limits.
PoE Power Planning
|
Planning item |
Cisco-confirmed fact |
Buyer check |
|---|---|---|
|
PoE input voltage |
PoE requires 48 VDC and PoE+ requires 54 VDC on the switch system |
Match the field power supply plan to the endpoint class |
|
IE-3400-8P2S PoE budget |
Cisco lists 240 W without the expansion module and 480 W with the expansion module |
Confirm the full endpoint load before releasing the quote |
|
Expansion module draw |
IEM-3400-8P module power is 20 W at 54 V, excluding powered-device load |
Do not count the module electronics draw as endpoint PoE budget |
|
90-W PoE boundary |
Cisco marks 90-W PoE support as No for IEM-3400-8P |
Do not use this SKU for endpoints that require 90-W PoE |
Ordering Checklist
|
Check item |
What to confirm |
Why it matters |
|---|---|---|
|
Exact order line |
IEM-3400-8P page SKU and Cisco ordering PID IEM-3400-8P= |
Separates this IE3400 PoE module from IE3300 and non-PoE IE3400 modules |
|
Base switch |
Cisco IE-3400-8P2S |
Cisco lists the PoE expansion module against this PoE base switch |
|
Endpoint port plan |
Eight GE copper PoE/PoE+ expansion ports |
Prevents substitution with IEM-3400-8T or IEM-3400-8S |
|
Power design |
48 VDC for PoE or 54 VDC for PoE+ plus the system PoE budget |
PoE delivery depends on the base-switch power plan, not only the module PID |
|
Installation state |
Switch powered down before adding or removing the module |
Cisco states expansion modules are not hot-swappable |
|
Expansion position |
One expansion module attached to a base system at a time |
The final port plan depends on the base switch plus the single module choice |
Specifications
| Parameter | Specification | Parameter | Specification |
|---|---|---|---|
| SKU | IEM-3400-8P | Cisco ordering PID | IEM-3400-8P= |
| Product type | Expansion module | Compatible base switch | Cisco IE-3400-8P2S |
| Total system ports with module | 18 ports | Expansion port count | 8 ports |
| Port media | Gigabit Ethernet copper | PoE support | PoE and PoE+ supported |
| 90-W PoE support | No | Advanced hardware features | Yes |
| Module power consumption | 20 W at 54 V, excluding powered-device load | PoE input requirement | 48 VDC for PoE or 54 VDC for PoE+ |
| IE-3400-8P2S PoE budget with module | 480 W | Expansion module count | One expansion module attached to a base system at a time |
| Hot-swap support | Not hot-swappable | Installation warning | Do not attach the expansion module while the switch is energized |
| Primary comparison SKUs | IEM-3400-8T, IEM-3400-8S, IEM-3300-8P |
Get More Information
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