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![[Photo of 24 Port Shielded RJ45 to RJ21 Through Coupler Panel RJ45 View]](/images/couplers/rj45-telco-through-coupler-24e1-40075.jpg "24 Port Shielded RJ45 to RJ21 Voice Through Coupler Panel RJ45 View")
![[Photo of 24 Voice Circuit Shielded RJ45 to RJ21 Through Coupler Panel RJ21 View]](/images/couplers/rj45-rj21-vg310-rear.jpg "24 Port Shielded RJ45 to RJ21 Through Coupler Panel RJ21 View")
The 24 Voice Circuit Through Coupler Panel provides interconnectivity for 24 Circuits between a RJ21 Telco connector and 24 RJ45s.
Only 1U high, the panel is available in two different wiring patterns. Compatible with a wide range of voice equipment from Cisco and other manufacturers.
| Part Number | Description | Wiring |
|---|---|---|
| TK-UTC45-024-STO | Through Coupler 24 Port RJ45 to RJ21 Telco | STO |
| TK-UTC45-024-STA | Through Coupler 24 Port RJ45 to RJ21 Telco | STA |
| Specifications | |
|---|---|
| Telco Connector | RJ21 Telco 50 way Female shielded |
| RJ45 Connector | 24 x RJ45 Female shielded |
| Wiring Scheme | STO, STA |
| Power Requirements | None |
| Operating Temperature | -40°C to +85°C |
| MTBF | 30 years |
| Dimensions (WxHxD) | 482 x 44 x 60 mm |
| Weight | 1.25 kg max. |
| Materials | Case - Zintec, black powder coated |
| Warranty | 10 years, parts and labour |
| Conformance | RoHS CE |
| RJ45 | RJ21 Telco | |
|---|---|---|
| Circuit | Pin | Pin |
| 1 | 4 | 2 |
| 5 | 27 | |
| 2 | 4 | 3 |
| 5 | 28 | |
| 3 | 4 | 4 |
| 5 | 29 | |
| ˜ | ˜ | ˜ |
| 24 | 4 | 25 |
| 5 | 50 | |
| RJ45 | RJ21 Telco | |
|---|---|---|
| Circuit | Pin | Pin |
| 1 | 4 | 1 |
| 5 | 26 | |
| 2 | 4 | 2 |
| 5 | 27 | |
| 3 | 4 | 3 |
| 5 | 28 | |
| ˜ | ˜ | ˜ |
| 24 | 4 | 24 |
| 5 | 49 | |
