Belden 7997A Outdoor Cat 5e Cable

Belden 7997A Cable

A Belden 7997A paired DataTwist ® Category 5e Outdoor cable with 4 pair UTP, 24 AWG which is suitable for horizontal cable, Gigabit Ethernet, 100BaseTX, 100BaseVT, ANYLAN, 155ATM, 622ATM, NTSC/PAL Component or Composite Video, AES/EBU, Digital Video, RS-422, 200MHz Category 5e, Outside Plant and Ducting.

Cable Construction

Number of Conductor Pairs: 4
Total number of conductors: 8
Conductor AWG: 24
Conductor Stranding: Solid
Conductor Material: Bare Copper (BC)
Insulation Material: Polyolefin (PO)
Cable Pair Colours: Pair 1: White / Blue Stripe & Blue
Pair 2: White / Orange Stripe & Orange
Pair 3: White / Green Stripe & Green
Pair 4: White / Brown Stripe & Brown
Outer Shield Material: Unshielded
Outer Jacket Material: Polyethylene (PE)
Overall Nominal Diameter: 0.251"

Mechanical Properties

Operating Temperature Range: -40°C To +60°C
Bulk Cable Weight: 31 lbs/1000 ft.
Maximum Recommended Pulling Tension: 35 lbs
Minimum Bending Radius (Install): 2.5"
IEC Specification: Exceeds 11801 Category 5
EU RoHS Compliant: Yes
EU RoHS Compliance Date: 01-07-2005
TIA/EIA Specification: Exceeds 568-B.2 Category 5e
Plenum No

Electrical Properties

Nom. Mutual Capacitance @ 1 KHz: 14 pF/ft
Maximum Capacitance Unbalance (pF/100 m): 66 pF/100 m
Nominal Velocity of Propagation: 65 %
Maximum Delay Skew (ns/100m): 25 ns/100 m
Maximum Conductor DC Resistance at 20° C: 8.9 Ohms/100 m
Maximum DCR Unbalance @ 20° C: 3%
Maximum Operating Voltage - UL: 300 V RMS

Premise Cable Electricals Table One

Frequency (MHz) Max. Attenuation (dB/100 m) Min. NEXT (dB) Min. PSNEXT (dB) Min. ACR (dB) Min. PSACR (dB) Min. Return Loss (dB) Min. Structural Return Loss (dB)
1 2.0 70.3 68.3 70.3 66.3 20.0
4 4.0 61.3 59.3 59.3 55.3 23.0
8 5.7 56.8 54.8 53.1 49.1 24.5
10 6.4 55.3 53.3 50.9 46.9 25.0
16 8.1 52.2 50.2 46.1 42.1 25.0
20 9.1 50.8 48.8 43.7 39.7 25.0
25 10.2 49.3 47.3 41.1 37.1 24.3
31.25 11.4 47.9 45.9 38.5 34.5 23.6
62.5 16.4 43.4 41.4 29.0 25.0 21.5
100 21.0 40.3 38.3 21.3 17.3 20.1
155 26.6 37.4 35.4 12.9 8.9 18.8
200 30.5 35.8 33.8 7.3 3.3 18.0
*350 41.4 32.1 30.1 16.3
*400 44.6 31.3 29.3 15.9

Premise Cable Electrical Table 2

Frequency (MHz) Input (Unfitted) Impedance (Ohms) Fitted Impedance (Ohms) Min. ELFEXT (dB) Min. PSELFEXT (dB)
1 100 ± 15 100 ± 15 67.8 64.8
4 100 ± 15 100 ± 15 55.8 52.8
8 100 ± 15 100 ± 15 49.7 46.7
10 100 ± 15 100 ± 15 47.8 44.8
16 100 ± 15 100 ± 15 43.7 40.7
20 100 ± 15 100 ± 15 41.8 38.8
25 100 ± 15 100 ± 15 39.8 36.8
31.25 100 ± 15 100 ± 15 37.9 34.9
62.5 100 ± 15 100 ± 15 31.9 28.9
100 100 ± 15 100 ± 15 27.8 24.8
155 100 ± 22 100 ± 15 24.0 21.0
200 100 ± 22 100 ± 15 21.8 18.8
*350 100 ± 22 100 ± 15
*400 100 ± 22 100 ± 15

Cable Ordering

Order Number Description Put-Up (ft) Shipping Weight (lbs) Sheath Colour
7997A 0101000 4 PR #24 PO PE 1000 38 Black

Want Monthly Offers, Promotions & News?

We only use your email address for one thing, sending you some great stuff!

  • Discount and Promo Codes
  • Special Offers
  • All the latest Industry and CSE news
  • Plus so much more…
Your email address is only kept in our mailing list and not used for any other purposes than for contacting you with our newsletters.

Thank you for signing up to the newsletter