under ETR

.

Network:- updated up to 31.03.2002

Sl. 

No.

Media

Route

 System
TYPE

length

(in kms)

 TYPE

length

(in kms)

1.

 OFC

24 fiber

12 fiber

6 fiber

 

Total

828.32

14780.72

1209.92

 

16818.96

 

STM 16

STM 4

STM 1

565 Mbps

140 Mbps 

34 Mbps

 

Total

1361.64

1063.95

1647.25

1157.18

21520.73

4529.17

 

31279.92
2.

M/W

(Digital)

155 Mbps

140 Mbps

34 Mbps

8 Mbps

 

Total

93.20

4387.05

2130.61

1283.58

 

7894.44

155 Mbps

140 Mbps

34 Mbps

8 Mbps

 

Total

93.20

5507.80

2330.61

1283.58

 

9015.19
3. UHF (Digital) All

2977.81

 All

2977.81
4. Coaxial (Digital) All

146.37

 All

146.37
5. Satellite Stns: TYPE Nos.
Main 3
Primary 15
Remote & LCT 25
MCPC V-Sats 49
HV NET 17

 

Eastern Telecom Region, Kolkata is the telecom gateway for the entire Eastern India including all the states of north eastern Region of India and Andaman & Nicobar islands. It maintains the TAX centers located at Kolkata with capacities 68 K and co-ordinates all the national and international long distance routing through the Eastern part of India.

Trunk Auto Exchange (TAX) Maintained by ETR at Kolkata

Level-I TAX at Kolkata

(Capacity)

1. Digital TAX E-10 B at Telephone Bhawan

8.0K

2. OCB TAX at Telephone Bhawan

38.00K

3. OCB TAX at Salkia 

22.00K

 

  

 
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