ELN27T-0005-M BLACK BOX, ELN27T-0005-M Datasheet - Page 2

• Manufacturer Part Number: ELN27T-0005-M
• Description: CAT5 25-PAIR 24-AWG MALE
• Manufacturer: BLACK BOX

4/7/2010
#22660
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CAT5 cables support high-bandwidth (to 100
MHz), high-speed communications over data
and voice circuits (CAT5).
CAT3 cables can be used to expand PBXs
in voice circuits.
Choose from male or female 50-pin telco
to blunt-cut open end, male 50-pin telco,
or female 50-pin telco terminations.
724-746-5500
blackbox.com
OVERVIEW
communication network applications with bandwidths up to 100
MHz, including ANSI ASC X3T12 TP-PMD, ATM, and ISDN.
requirements including Power Sum Near-End Crosstalk (PS-NEXT).
Underwriters Laboratories (UL
Cable Type CMR 75C, for installation as general building wiring in
accordance with the National Electrical Code (NFPA 70), and has
verified them to CAT5.
Type PCC 60C FT4 in accordance with the National Building Code
of Canada.
systems.
together. Each pair has two 24 AWG copper conductors, twisted
together with varying lays to reduce crosstalk.
ripcord is located under the jacket. You can also choose from cables
with plenum jacketing.
connector at one end and your choice of a male 50-pin telco
connector, a female 50-pin telco connector, or no termination at all
(a blunt-cut open end) on the other end. They are available with AMP
or AVAYA style connectors.
The
The CAT5 cables conform to ANSI/TIA/EIA 568-A CAT5
The cables are also CSA certified as Communications Cable
The CAT3 cables can be used to expand PBXs in office phone
Each CAT5 or CAT3 cable’s core consists of 25 twisted pairs cabled
The PVC cables’ jacket material is flame-retardant PVC, and a
All cables are terminated with a male or female 50-pin telco
CAT5 25-Pair Telco Connector Cables
®
) lists the cables as Communications
support high-speed
Attenuation — Nominal: 20.2 dB/100 m @ 100 MHz;
Cable Type — 25-pair UTP
Conductors — 24 AWG, bare copper, 0.020" nominal diameter
DC Resistance — 9.38 ohms/100 m maximum
Impedance — 100 ± 15 ohms
Insulation — HDPE
Jacket — Gray PVC: 0.032" nominal wall thickness, 0.5" nominal diameter;
Mutual Capacitance — 5.6 nF/100 m nominal
PS-NEXT — Worst case: 32 dB @ 100 MHz
Standards — TIA/EIA 568-A
Velocity of Propagation — 75% nominal
Connectors — AMP or AVAYA style
NOTE: Pairs 13 and 38 are skipped.
AMP Style
Maximum: 22 dB/100 m @ 100 MHz
Ripcord located under jacket
10 ————— — 9
11 ————— — 12
14 ————— — 15
16 ————— — 17
18 ————— — 19
20 ————— — 21
22 ————— — 23
24 ————— — 25
26 ————— — 27
28 ————— — 29
30 ————— — 31
32 ————— — 33
34 ————— — 35
36 ————— — 37
39 ————— — 40
41 ————— — 42
43 ————— — 44
45 ————— — 46
47 ————— — 48
49 ————— — 50
13 ————— — 38
T e c h S p e c S f o r c a T 5 2 5 - p a i r
1 ——————
3 ——————
6 ——————
8 ————— — 7
T e l c o c o n n e c T o r c a b l e S
2
4
5
BLACK BOX
AVAYA Style
10 ——— — 35
11 ——— — 36
12 ——— — 37
13 ——— — 38
14 ——— — 39
15 ——— — 40
16 ——— — 41
17 ——— — 42
18 ——— — 43
19 ——— — 44
20 ——— — 45
21 ——— — 46
22 ——— — 47
23 ——— — 48
24 ——— — 49
25 ———— 50
1 ——— — 26
2 ——— — 27
3 ——— — 28
4 ——— — 29
5 ——— — 30
6 ——— — 31
7 ——— — 32
8 ——— — 33
9 ——— — 34
®
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