![[Made in Britain logo]](/images/misc/made-in-britain.jpg "Made in Britain")
![[Photo of 24 E1 Port Shielded RJ45 to Telco Through Coupler Panel RJ45 View]](/images/couplers/rj45-telco-through-coupler-24e1-40075.jpg "24 Port Shielded RJ45/48 to RJ21 Telco Through Coupler Panel RJ45 View")
![[Photo of 24 E1 Port Shielded RJ45 to Telco Through Coupler Panel Telco View]](/images/couplers/rj45-telco-through-coupler-24e1-rear-40075.jpg "24 Port Shielded RJ45/48 to RJ21 Telco Through Coupler Panel Telco View")
The 24 Port Through Coupler Panel provides interconnectivity for 24 Ports (Tx and Rx) between 2 RJ21 Telco connectors and 24 RJ45/48 circuits.
Only 1U high, the panel is available in 3 different wiring patterns. Compatible with a wide range of telecommunications equipment from Cisco, Sonus, Sycamore and other manufacturers.
| Part Number | Description | Wiring |
|---|---|---|
| TK-UTC45-024-TOA | Through Coupler 24 Port RJ45/48 to RJ21 Telco | TOA |
| TK-UTC45-024-TOB | Through Coupler 24 Port RJ45/48 to RJ21 Telco | TOB |
| TK-UTC45-024-TTR | Through Coupler 24 Port RJ45/48 to RJ21 Telco | TTR |
| Specifications | |
|---|---|
| Telco Connector | 2 x RJ21 Telco 50 way Female shielded |
| RJ45 Connector | 24 x RJ45 / RJ48C Female shielded |
| Wiring Scheme | TOA, TOB, or TTR |
| 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 |
| RJ45/48 | RJ21 Telco | |
|---|---|---|
| Socket | Pin | Pin |
| 1 | 1 | 26 |
| 2 | 1 | |
| 4 | 27 | |
| 5 | 2 | |
| 2 | 1 | 28 |
| 2 | 3 | |
| 4 | 29 | |
| 5 | 4 | |
| 3 | 1 | 30 |
| 2 | 5 | |
| 4 | 31 | |
| 5 | 6 | |
| ˜ | ˜ | ˜ |
| 12 | 1 | 48 |
| 2 | 23 | |
| 4 | 49 | |
| 5 | 24 | |
| RJ45/48 | RJ21 Telco | |
|---|---|---|
| Socket | Pin | Pin |
| 1 | 1 | 1 |
| 2 | 26 | |
| 4 | 14 | |
| 5 | 39 | |
| 2 | 1 | 2 |
| 2 | 27 | |
| 4 | 15 | |
| 5 | 40 | |
| 3 | 1 | 3 |
| 2 | 28 | |
| 4 | 16 | |
| 5 | 41 | |
| ˜ | ˜ | ˜ |
| 12 | 1 | 12 |
| 2 | 37 | |
| 4 | 25 | |
| 5 | 50 | |
| RJ45/48 | RJ21 Telco | ||
|---|---|---|---|
| Socket | Pin | Tx Pin | Rx Pin |
| 1 | 1 | 26 | n/c |
| 2 | 1 | n/c | |
| 4 | n/c | 26 | |
| 5 | n/c | 1 | |
| 2 | 1 | 27 | n/c |
| 2 | 2 | n/c | |
| 4 | n/c | 27 | |
| 5 | n/c | 2 | |
| 3 | 1 | 28 | n/c |
| 2 | 3 | n/c | |
| 4 | n/c | 28 | |
| 5 | n/c | 3 | |
| ˜ | ˜ | ˜ | ˜ |
| 24 | 1 | 49 | n/c |
| 2 | 24 | n/c | |
| 4 | n/c | 49 | |
| 5 | n/c | 24 | |
