| Leased Lines / Circuits
What is a Leased Line?
A data leased line is a
dedicated static line which is used solely for the transmission of
data from one point to another. Such lines may serve Automatic
Teller Machines (ATM), Wide Area Networks
(WAN) and also Internet resellers. These lines are specially
configured to meet the data transmission speed of your company.
How does it work?
A telephone line is assigned for private use having no means of
connecting to the public telephone system. This line is configured
to meet required speed of the subscriber and is
connected to the subscriber’s network via a CSU/DSU and a router, so
data transfer can be executed to a specific location, whether it be
direct data, voice or internet access.
Benefits
Leased Lines / Circuits are very effective for Telephony and Data
transmission because it is a dedicated connection service between
specified locations.
This service is mostly targeted to companies requiring a data or
communications link between specified locations and companies
desirous of re-selling internet services to the public.
Availability
The Leased Lines / Circuits service is only offered in Trinidad by
TSTT.
TSTT provides two scopes of the Leased Line service :
• Leased line with an internet portal.
• Leased Line without internet.
The internet access scope is further split into two types
• PIPENET
• TRADENET (with the TRADENET solely developed for internet service
re-sellers)
TSTT’s Leased Line/Circuit service is not available throughout
Trinidad and Tobago due to its sensitivity and limitation of 18,000
feet from the exchange office. It is available in the
following regions:
• Region 1: Chaguaramas, Port of Spain, Maraval, Diego Martin West,
St. James, St. Clair and parts of Woodbrook.
• Region 2: San Juan, St. Augustine, Arima, Mausica, Piarco,
Trincity and Sangre Grande.
• Region 3: Siparia, Point Lisas, San Fernando, Galeota, Penal,
Point Fortin, Marabella, Rio Claro, Mayaro and Gasparillo.
• Region 4: Scarborough, Mt. Pleasant.
• Region 5: Chaguanas, Couva and Claxton Bay.
Costing
The pricing of this service is divided into two options:
• Option A - this option is for subscribers who do not require an
internet portal, because of this the cost varies according to the
location, either connections within the same exchange or connections
across exchanges.
Leased Line without internet
| Speed (kbps) |
Installation |
Monthly Rental
(same exchange) |
Monthly Rental
(across exchange) |
| 64 |
$1,341.00 |
$1,593.00 |
$2,599.00 |
| 128 |
$1,565.00 |
$2113.00 |
$2,934.00 |
| 256 |
$1,565.00 |
$2,934.00 |
$4,107.00 |
| 512 |
$1,565.00 |
$3,604.00 |
$5,113.00 |
| 1,544 (T1) |
$1,788.00 |
$5,868.00 |
$8,882.00 |
• Option B - this option is for customers that need the internet
portal.
Leased Line with internet
| Speed (kbps) |
Installation |
Monthly Rental
(private) |
Monthly Rental
(resellers) |
| 64 |
$5000.00 |
$6,174.00 |
$12,285.00 |
| 128 |
$5000.00 |
$11,466.00 |
$23,148.00 |
| 256 |
$5000.00 |
$19,530.00 |
$28,148.00 |
| 512 |
$5000.00 |
$32,255.00 |
$32,490.00 |
| 1,544 (T1) |
$5000.00 |
$79,883.00 |
$79,883.00 |
The cost of installation includes the CSU/DSU. However, a
subscriber will have to provide their own router, preferably Cisco.
This paper was prepared by Bharat Anand Seetahal of Zandolie
Networking
June 2006
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