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Telco Terminology |
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Written by Joel Gacosta
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Some of the basic telco reference guide to define some often used industry terms.
Access: The term Access has several meanings, but generally refers to a physical circuit connecting last mile locations; most typically, a user’s end-location(s) to a carrier(s).
Bandwidth: Identifies the capacity of a single connection by measuring its maximum speed within one-second increments; the larger the bandwidth, the more capacity and the higher the cost. The table below is a comparison at just how fast is ‘fast’.
Bandwidth Table:
| Connection |
Speed |
Difference |
| T1, DS-1 |
1.544 Mbps |
Baseline |
| T3, DS-3 |
44.736 Mbps |
2,798% faster |
| OC-3 |
155.520 Mbps |
9,973% faster |
| OC-12 |
622.080 Mbps |
40,191% faster |
| OC-48 |
2.488 Gbps |
161,040% faster |
| OC-192 |
10 Gbps |
647,569% faster |
Definition of Units of Measurement
bit= smallest unit of digital information, i.e. ones & zeros
byte= a set of bits
bps= bits per second
Kbps= kilobits per second =1000 bits per second
Mbps = Million bits per second =1,000,000 bits per second
Gbps = Gigabits per second = 1,000,000,000 (one billion) bits per second
Tbps = Terabits per second = 1,000,000,000,000 (one trillion) bits per second
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Read more... [Telco Terminology]
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Dual Boot: Windows 7 and Ubuntu 9.04 |
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Written by Joel Gacosta
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It seems Ubuntu 9.04 or lower does not recognized Windows 7 partition, perhaps Microsoft rewrite it or something to prevent this kind of setup?? :(
Anyways here is a workaround for it.
1. Partition the Disk using Ubuntu 9.04 CD. There are two ways to accomplish it, 1) using fdisk or 2) using gparted in which you have to run the Ubuntu 9.04 CD with Live Session option
2. Assuming you followed the option 2 above... Open a terminal and run gParted
>sudo gparted
3. Create an NTFS partition with your desired disk size.
4. Quit GParted and reboot
5. Boot up with Windows 7 RC DVD
6. When asked where to install, select the NTFS partition you created in step# 3 and click Next
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Read more... [Dual Boot: Windows 7 and Ubuntu 9.04]
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Philippine holidays and long-weekend schedule for 2009 |
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Written by Joel Gacosta
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Here is the schedule of upcoming Philippine holidays and long-weekends for 2009 based on RA 9492 and Proclamation 1699, as well as a recent executive order declaring the two-day Eid al-Adha as national holidays.
- September 21 (Mon) - Eid'l Fitr (three-day weekend from September 19 to 21)
- November 1 (Sun) - All Saints Day
- November 2 (Mon) - Non-Working Holiday (three-day weekend from October 31 to November 2)
- November 27 & 28 (Fri & Sat) - Eid al-Adha
- November 30 (Mon) - Bonifacio Day (four-day weekend from November 27 to 30)
- December 24 (Thu) - Non-Working Holiday
- December 25 (Fri) - Christmas (four-day weekend from December 24 to 27)
- December 30 (Wed) - Rizal Day
- December 31 (Thu) - Non-Working Holiday
- January 1 - (Fri) New Year's Day (five-day weekend from December 30 to January 3)
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