telco's jargons

alien terms i am hearing around me for the very first time...

RRU [/aar:aar:youh/] expands for Remote Radio Unit

Ref: Product Description for RBS 6601
RBS 6000 M&C
RBS 6601 HW Installation Guide
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IP-55 [/aai:pee:pach-pan/] is an outdoor cabinet that provide shelter to telecom network equipments.
It is placed outside BTS.
It is usually designed waterproof.
IP stands for Ingress Protection.
It is actually an standard (a two-digit number established by the International Electro Technical Commission)

Ref: http://www.mpl.ch/info/IPratings.html

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DUG Card [/duck:kard/] expands for Digital Unit GSM

Ref: Radio Base Station (RBS)
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-48VDC [/my-nus:fourty:eight:volt:the-sea/], also encoded as V48N
V: Volts
DC: Direct Current
N: Negative

(i) Positive voltage courses comparatively more corrosion in metal then Negative voltage.

(ii) Negative voltage is safer for human body while doing Telecom activities.

(iii) Thundering may cause positive voltage in the equipment circuit. In the case negative voltage (Lack of electrons) neutralizes positive charges and protects producing heat.

(iv) Negative voltage is safer for long telephone line for transmitting power trough it.

(v) A standard lead-acid battery provides6V. This number corresponds to8 of those, which is pretty standard. It's the highest, safest compromise voltage to run over long wires.Negative voltage is used so that leakage currents to ground caused by moisture do not electroplate away the copper in the wires.

Ref:  Izzat Mallad, a μ-wave Er. in response to the question asked by Binu Balan Uralath\

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2G, 3G, 4G, GSM, CDMA, EVDO, UMTS, WCDMA, GERAN, UTRAN

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BTS BSC and BSS

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Tower Erection

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Msc...its miscellaneous

Alcatel's TCPOL
Alcatel's TCID
Alcatel's TCSUC
https://www.chicagotech.com/products/alca/pg100
Capital expenditures (CAPEX) and operating expenses (OPEX)

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