WS-C4503-E has the following distinguishing entries in the manufacturer specification. Dimensions (H x W x D): thirty-one.twelve x forty-three.ninety-seven x thirty-one.seventy cm. Weight: thirty-five Kg. Rack Units (RU): seven RU.
| Datasheet series | Cisco Catalyst 4500 Series Switches |
| Exact model | WS-C4503-E |
| Official datasheet | Cisco Catalyst 4500 Series official product page |
Table 1 shows the Quick Specs.
Product Code | WS-C4503-E |
Supervisor engine slot | Slot 1 |
Line-card slots | 2 |
Redundant power supplies | 2 |
Backplane | 48 Gbps full duplex per slot (96 Gbps) |
Dimensions (H x W x D) | 31.12 x 43.97 x 31.70 cm |
Rack Units (RU) | 7 RU |
Weight | 35 Kg |
Airflow | Chassis fan tray: Right to left Power supply fan: Front to back |
Figure 1 shows the front view of WS-C4503-E with installed modules, supervisor engines and cards. These modules, supervisor engines and cards should be ordered separately.

Note:
① Redundant power supplies ② Supervisor engine (slot 1) ③ Switching module (slots 2 and 3) ④ Fan tray assembly
Table 2 shows the Cisco Catalyst 4503-E Switch Features
Feature | Description |
Chassis | Three horizontal slots. Slots are numbered from 1 (top) to 3 (bottom). |
Supervisor engines | Supports the following supervisor engines: - Supervisor Engine 8-E - Supervisor Engine 7L-E - Supervisor Engine 7-E |
Modules | Supports up to two Catalyst 4500 series modules. |
Backplane | 48 Gbps full duplex per slot (96 Gbps) |
Fan tray | The chassis supports one hot-swappable fan tray. |
Power supply | Supports one or two power supplies. All Catalyst 4500 series AC-input power supplies require single-phase source AC. |
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For WS-C4503-E, the manufacturer specification lists redundant power supplies as 2.
For WS-C4503-E, the manufacturer specification lists dimensions (h x w x d) as 31.12 x 43.97 x 31.70 cm.
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