This document provides specifications for optical fiber cables and equipment for a telecommunications project. It includes specifications for (1) 149 km of 24-core overhead fiber cable, (2) 84 km of 48-core underground fiber cable, (3) 50 optical fiber jointing kits/closures, and (4) 4 patch panels. The specifications cover technical details such as fiber types, core counts, attenuation rates, color coding, and packaging. Delivery is required within 40 days of purchase order with end-to-end testing done on each cable drum.

1. Sr. Description Quantity
A. 24 Core Fig-8 Overhead Optical Fiber Cable (G652B) 149 km (4km/drum)
B. 48 Core SM Optical Fiber Cable (Underground) 84 km (4 Km/drum)
C. Optical Fiber Jointing Kit / Closure 50 nos.
D. Patch Panel / ODF (Optical Distribution Frame) 4 nos.
TECHNICAL SP ECIFICAT ION O F CAB LE AND EQUIP MENT
A. 24 Core Fig-8 Overhead Optical Fiber Cable (G652B)
CABLE DESIGN
SR. NO DESCRIPTION BL APPROVED SPECIFICATIONS
Fiber Cable Brand DRAKA or CORNING or EGYTECH
1 Fiber type Single mode fiber
2 No of Fibers 24
3 Design (Element x Fiber/Tube) 5 x 6
4 Loose Tube/Filler-Dia 2.0 mm ((higher value is preferable)
5 Outer Sheath / Outer Jacket (thickness) 1.6 mm-2.0 mm (higher value is preferable)
6 Messenger Sheath Thickness 1.0 mm (higher value is preferable)
7 Cable Diameter 10.5mm - 12mm (higher value is preferable)
8 Dia & material of Central Strength Member (CSM) 1.5mm (higher value is preferable)
9 Water blocking tape and yarn Availability & material to be mentioned
10 Max tensile load 2000 N
11 Drum Size 4 km ± 5%
12 Cable Diameter 10.6mm - 12mm (higher value is preferable)
13 Maximum Operation Tension 5 KN
14 Minimum Bending Radius without tension 10 x cable Diameter
15 MinimumBendingRadius with maximum tension 20 x cable Diameter
16 Temperature range under operation ('C ) -20°C — +70°C
17 Fiber cable weight/km 184 ± 5 kg/km
18 Armor Corrugated steel tape. 2 ripcords beneath
19 Messenger wire
7x1.2mm(minimum) galvanized stranded steel
wire
20 Crush 2000 N/100m

2. 21 Fillers Black
22 Outer Sheath Color Black
23 Drum Size (Delivery Length)
Standard delivery length is 4 km/drum with a
tolerance of ± 5%.
24 Packing Wooden drum with protection
OPTICAL PROPERTIES
SR. NO DESCRIPTION BL APPROVED SPECIFICATIONS
1 Mode Field Diameter (MFD) at [at λ = 1310 nm] 9.2 ± 0.4 µm
2 Mode Field Diameter (MFD) at [at λ = 1550 nm] 10.4 ± 0.5 µm
3 Attenuation at λ = 1310 nm ≤ 0.36 dB/Km
4 Attenuation at λ = 1550 nm ≤ 0.22 dB/Km
5 Cladding Diameter 125 ± 1 µm
OPTICAL FIBER COLOUR CODING
SR. NO. DESCRIPTION BL APPROVED COLOR
1 Fiber 1 Blue
2 Fiber 2 Orange
3 Fiber 3 Green
4 Fiber 4 Brown
5 Fiber 5 Gray
6 Fiber 6 White
TUBE COLOUR CODING
SR. NO. DESCRIPTION BL APPROVED COLOR
1 Tube 1 Blue
2 Tube 2 Orange
3 Tube 3 Green
4 Tube 4 Brown

3. B. 48 Core SM Optical Fiber Cable (Underground)
CONFIGURATION, MECHANICAL &
ENVIRONMENTAL CHARACTERSTICS
SR. NO DESCRIPTION BL APPROVED SPECIFICATIONS
Fiber Cable brand DRAKA or CORNING or EGYTECH
1 Fiber type Single mode fiber
2 Outer Sheath / Outer Jacket (thickness) 1.6 mm-2.0 mm (higher value is preferable)
3 Diameter of Loose Tube 1.8mm or more (higher value is preferable)
4 No of Gel filled tubes 8 nos.
5 Total No of Fiber Core 48F (6F/Tube)
6 Fiber G.652.B 36F (6 Tubes, 6F/tube)
7 Fiber G.655.C 12F (2 Tubes, 6F/tube)
8 Water blocking tape Availability & material to be mentioned
9 Water blocking yarn Availability & material to be mentioned
10 Dia & materialof Central Strength Member (CSM) 2.1mm-2.3mm (higher value is preferable)
11 Max tensile load 3000 N
12 Drum Size 4 km
13 Cable Diameter
10.5mm - 12mm (higher value is
preferable)
14 Minimum Bending Radius without tension(Install) 10 x cable Diameter
15
Minimum Bending Radius withmaximum tension
(Static)
20 x cable Diameter
16 Temperature range under operation ('C ) -30°C — +70°C
17 Fiber cable weight/km
95 kg- 130 kg (the higher value is
preferable)
G.652.B FIBER ATTRIBUTES
SR. NO DESCRIPTION BL APPROVED SPECIFICATIONS
18 Mode Field Diameter
(i) MFD [at λ = 1310 nm] 9.2 ± 0.5 µm
(ii) MFD [at λ = 1550 nm] 10.4 μm ± 0.4 μm
19 Cladding Diameter 125 ± 1 µm
20 Attenuation
(i) at λ = 1310 nm ≤ 0.35 dB/Km (the lowest value is better)
(ii) at λ = 1550 nm ≤ 0.21 dB/Km (the lowest value is better)

4. G.655.C FIBER ATTRIBUTES
SR. NO DESCRIPTION BL APPROVED SPECIFICATIONS
21 Mode Field Diameter (MFD) at [at λ = 1550 nm] 9.6 ± 0.5 µm
22 Cladding Diameter 125 ± 1 µm
23 Attenuation at λ = 1550 nm ≤ 0.22 dB/Km
OPTICAL FIBER COLOUR CODING
SR. NO. DESCRIPTION BL APPROVED SPECIFICATIONS
24 G.652.B Fiber G.652.B Fiber
(i) Fiber 1 Blue
(ii) Fiber 2 Orange
(iii) Fiber 3 Green
(iv) Fiber 4 Brown
(v) Fiber 5 Gray
(vi) Fiber 6 White
25 G.655.C Fiber G.655.C Fiber
(i) Fiber 1 Red
(ii) Fiber 2 Black
(iii) Fiber 3 Yellow
(iv) Fiber 4 pink
(v) Fiber 5 Turquoise
(vi) Fiber 6 Magenta
TUBE COLOUR CODING
SR. NO. DESCRIPTION BL APPROVED SPECIFICATIONS
26 Buffer Tube Colors Buffer Tube Colors
(i) Tube 1 (Blue : G.652.B) Blue : G.652.B
(ii) Tube 2 (Orange : G.652.B) Orange : G.652.B
(iii) Tube 3 (Green : G.652.B) Green : G.652.B
(iv) Tube 4 (Brown : G.652.B) Brown : G.652.B
(iv) Tube 5 (Gray : G.652.B) Gray : G.652.B
(iv) Tube 6 (White : G.652.B) White : G.652.B
(vii) Tube 7 (Red : G.655.C) Red : G.655.C

5. (viii) Tube 8 (Black : G.655.C) Black : G.655.C
IMPORTANT NOTE
 Fiber cable musthaverip chord with notablecolor forcutting it longitudinally.
C. Jointing Kit / Closure
SR. NO. DESCRIPTION BL APPROVED SPECIFICATIONS
Equipment Brand CORNING” or “OPTICUBE” or “TYKO”
1 Optical Fiber Jointing Kit/Closure
Closures should have separate splice tray
for each tube (OFC 8 tube), each tray
should have the capacity of accommodate
12 splice protector
D. Patch Panel / ODF (Optical Distribution Frame)
SR. NO. DESCRIPTION BL APPROVED SPECIFICATIONS
Equipment Brand CORNING” or “OPTICUBE” or “TYKO”
1 Patch Panel/ODF (Optical Distribution Frame)
Patch Panel (48 Port ODF with pigtails, 8
splice trays, adapters and ODF must have
option to be installed in standard 19" TX
rack); [“CORNING” or “OPTICUBE” or
“TYKO”]
D ELIVERY D ETAILS
 Delivery to be done within 40 days from the date of purchase order issuance.
 End to end (ETE) OTDR test of each drum to be done by the supplier at delivery
point.