Signamax™ Category 3 Modular-Telco Patch Panels
Fast and Easy Voice-Grade Patching Solution for Rackmount Applications
SX-24112-C3MU
What's special about these Telco patch panels?
- Utilizes 50-position Telco-style connectors in a standard pin configuration to provide easy installation while offering users greater flexibility for multi-port premises connectivity
- Available with either RJ-11 or RJ-45 jacks supporting 2- and 4-USOC wiring schemes, to accommodate a wide range of network or telecom voice solutions
- Compact, high-density profile provides up to 48 ports for large capacity cross-connections, while only using up to 2U of rack space
- Click for More Features


Signamax™ Category 3 Telco Patch Panels are available in 24- and 48-port sizes to provide high density cross-connection for telecom / datacom voice-level applications. These 19” rack mount patch panels include an integrated cable management / strain relief system to provide improved cable life, organization and system reliability.
NOTE: These products ship in 5 business days
RJ-11 2-Wire (Active Pins 3-4) | ||||||
---|---|---|---|---|---|---|
Part # | Description | Ports | U (Rms) | Telco Connectors | Weight | Price |
SX-24112-C3MU | CAT3 Modular-Telco Patch Panel, USOC Wiring | 24 | 1U (1.75") | Male Telco | 2 lbs | Manufacturer Direct |
SX-24112-C3FU | CAT3 Modular-Telco Patch Panel, USOC Wiring | 24 | 1U (1.75") | Female Telco | 2 lbs | Manufacturer Direct |
SX-48112-C3MU | CAT3 Modular-Telco Patch Panel, USOC Wiring | 48 | 2U (3.50") | Male Telco | 4 lbs | Manufacturer Direct |
SX-48112-C3FU | CAT3 Modular-Telco Patch Panel, USOC Wiring | 48 | 2U (3.50") | Female Telco | 4 lbs | Manufacturer Direct |
RJ11 4-Wire (Active Pins 2-5) | ||||||
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Part # | Description | Ports | U (Rms) | Telco Connectors | Weight | Price |
SX-24114-C3MU | CAT3 Modular-Telco Patch Panel, USOC Wiring | 24 | 1U (1.75") | Male Telco | 2 lbs | Manufacturer Direct |
SX-48114-C3MU | CAT3 Modular-Telco Patch Panel, USOC Wiring | 48 | 2U (3.50") | Male Telco | 4 lbs | Manufacturer Direct |
RJ-45 2-Wire (Active Pins 4-5) | ||||||
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Part # | Description | Ports | U (Rms) | Telco Connectors | Weight | Price |
SX-24452-C3MU | CAT3 Modular-Telco Patch Panel, USOC Wiring | 24 | 1U (1.75") | Male Telco | 2 lbs | Manufacturer Direct |
SX-48452-C3MU | CAT3 Modular-Telco Patch Panel, USOC Wiring | 48 | 2U (3.50") | Male Telco | 4 lbs | Manufacturer Direct |
SX-48452-C3FU | CAT3 Modular-Telco Patch Panel, USOC Wiring | 48 | 2U (3.50") | Female Telco | 4 lbs | Manufacturer Direct |
RJ-45 4-Wire (Active Pins 3-6) | ||||||
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Part # | Description | Ports | U (Rms) | Telco Connectors | Weight | Price |
SX-24454-C3MU | CAT3 Modular-Telco Patch Panel, USOC Wiring | 24 | 1U (1.75") | Male Telco | 2 lbs | Manufacturer Direct |
SX-48454-C3MU | CAT3 Modular-Telco Patch Panel, USOC Wiring | 48 | 2U (3.50") | Male Telco | 4 lbs | Manufacturer Direct |
- Meets and exceeds CAT3 transmission performance to provide excellent voice transmission
- Each Telco connector is equipped with a Velcro strain relief bracket to safely secure 25-pair cable in either a 90° or 180° position
- Easy to access rear Telco connectors greatly reduce installation time and maintenance when compared to punchdown-style terminations
- Each jack is individually rated to withstand up to 750 plug insertions, to offer the highest level of reliability and system stability for fast-paced network environments
- Connector contact plate provides enhanced plug-to-jack connection integrity while protecting against damage caused by insertion of 4- or 6- position plugs
- Panel is constructed from high quality steel to provide maximum strength and durability
- Ports are individually numbered, with additional space provided for easy labeling and port recognition
- UL listed
- FCC rated
- IEC and EN compliant
- Exceeds ANSI/TIA/EIA specifications
- IEEE compliant
Transmission Performance | |
---|---|
ANSI/TIA/EIA-568-B.2: | Category 3 (1 – 16 MHz) specifications |
IEC 60603-7: | Category 3 (1 – 16 MHz) specifications |
Transmission Media | |
Modular jacks: | Unshielded or Shielded 2- & 4-pair twisted pair (UTP/ScTP/FTP/SFTP) patch cords/equipment cables |
Unshielded 12-leg (24-pair) twisted pair (UTP) adapter cables | |
Telco connectors: | Unshielded 25-pair twisted pair (UTP) patch cords/equipment cables |
Unshielded 12-leg (24-pair) twisted pair (UTP) adapter cables | |
Jack Type | |
8p8c (8-position, 8-contact) “RJ45” type | |
Wiring Scheme | |
USOC | |
Construction | |
Steel, PCB | |
Jack Contacts | |
Phosphor bronze, nickel plating with a minimum of 50 micro inches of gold plating in contact area | |
Dimensions | |
24-port: 19” rack mountable, 1.75” (1 RMU) high | |
48-port: 19” rack mountable, 3.5” (2 RMU) high | |
Operating Temperature | |
-14°F – 140°F (-10°C – +60°C) | |
Compliance | |
ANSI/TIA/EIA-568-B.2, IEC 60603-7,FCC Part 68, UL 1863 | |
Applications | |
X.21, V.11, S0, ISDN, CSMA/CD 10BASE-T, TR 4 | |
Warranty | |
25-year component and system limited warranty |
Wiring Scheme
Hydra Leg | Patch Panel Port | Port Position | ||||||||
1 | 2 | 3 | 4 | |||||||
1 | 1 | 13 | 25 | 37 | White | Blue | Blue | White | Orange | Orange |
2 | 2 | 14 | 26 | 38 | White | Green | Green | White | Brown | Brown |
3 | 3 | 15 | 27 | 39 | White | Gray | Gray | Red | Blue | Blue |
4 | 4 | 16 | 28 | 40 | Red | Orange | Orange | Red | Green | Green |
5 | 5 | 17 | 29 | 41 | Red | Brown | Brown | Red | Gray | Gray |
6 | 6 | 18 | 30 | 42 | Black | Blue | Blue | Black | Orange | Orange |
7 | 7 | 19 | 31 | 43 | Black | Green | Green | Black | Brown | Brown |
8 | 8 | 20 | 32 | 44 | Black | Gray | Gray | Yellow | Blue | Blue |
9 | 9 | 21 | 33 | 45 | Yellow | Orange | Orange | Yellow | Green | Green |
10 | 10 | 22 | 34 | 46 | Yellow | Brown | Brown | Yellow | Gray | Gray |
11 | 11 | 23 | 35 | 47 | Violet | Blue | Blue | Violet | Orange | Orange |
12 | 12 | 24 | 36 | 48 | Violet | Green | Green | Violet | Brown | Brown |
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