10/100 Base-T System and Category 5
RJ21 x Patch Panel Products

ATS's Universal series Product C548-25P is a RJ45 module to RJ21X connector multi port patch panels that exceeds the requirements for 10 Base-TX, 100 Base-TX and category 5 system connecting hardware. These connecting hardwares are designed to support high speed data transmissions up to 100 Mega-Bits per Second (100 Mbps) levels. Typical applications are for 10 Base-TX and 100 Base-TX Ethernet HUB's the utilize 25 pair telco RJ21X connector to distribute the signal ports instead of RJ45 CONNECTOR. ATS also carries RJ21X to RJ21X 25 pair category 5 patch cords for patch panel connections.



    Features: 100/100 Base-T System and Category 5 System
  • Exceeds 10Base-T and 100Base-TX connecting hardware performance. (4 wires)
  • RJ21X female performance.
  • Telco configured RJ21X scheme
  • Enhanced PCB design technology provides reliable performance up to CAT 5 (100 MHz, 8 wires).
  • Panels are available in 24, 48 port sizes.
  • Standard sizes is EIA standard 19 inches.


    Specifications
  • Panels are .090" thick rolled edge black painted Aluminum with white write-on blocks.
  • Meets FCC Sub-part 68 requirements.
  • Insertion Life - 750 cycles minimum.
  • Temperature range - 40° to 200° F.
  • Jack contacts - Phosphor Bronze alloy with a minimum 50 micro inch gold plating over Nickel.
  • Pre-assembled Rear RJ21X connector holder for quick and easy cable management.
  • Front and Rear Port numbering for Horizontal LAN cable path locations
  • RJ21X connector to RJ45 connector.
  • Patch cords RJ21X to RJ21X Style.

Ordering Information
Patch Information
Reference Code Type&
Wiring		 Dimensions Type Port/
Adapter
C524-25PF-4 24 Port T568B 1.75"h x 19"w 10/100Base-T (4 wires) 12
C548-25PF-4 48 Port T568B 3.50"h x 19"w 10/100Base-T (4 wires) 12
C524-25PF 24 Port T568B 1.75"h x 19"w Category 5 (8 wires) 6
C548-25PF 48 Port T568B 3.50"h x 19"w Category 5 (8 wires) 6


C5 25 Pair Patch Cords Type&
Style
C5PC-25PFF* Female RJ21 to Female RJ21
C5PC-25PMM* Male RJ21 to Male RJ21
C5PC-25PM-RJ45* Male RJ21 to RJ45
*Length request of patch cord

Category 5 RJ21X 25 Pair Telco Wiring (per Adapter)
Each Adapter: RJ21X telco to RJ45 T568B wiring


RJ21X25 Pair Telco Wiring Chart
(per Adapter)
Port 25p Telco
Wire pin pairs 1-2,3-6 =
1 26-1, 27-2
2 28-3, 29-4
3 30-5, 31-6
4 32-7, 33-8
5 34-9, 35-10
6 36-11, 37-12
7 38-13, 39-14
8 40-15, 41-16
9 42-17, 43-18
10 44-19, 45-20
11 46-21, 47-22
12 48-23, 49-24




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