Related to ERSL

Xf means the Final Index Level, and “Xi” means the Initial Index Level.
SDSL or "Symmetric Digital Subscriber Line" is a baseband DSL transmission technology that permits the bi-directional transmission from up to 160 kbps to 2.048 Mbps on a single pair. "VDSL" or "Very High Speed Digital Subscriber Line" is a baseband DSL transmission technology that permits the transmission of up to 52 Mbps downstream (from the Central Office to the End User Customer) and up to 2.3 Mbps digital signal upstream (from the End User Customer to the Central Office). VDSL can also be 26 Mbps symmetrical, or other combination.
CM means City Manager of COE appointed in terms of Section 82 of the Local Government: Municipal Structures Act 117 of 1998
RFT means Request for Tender.
SES means - the State Emergency Service as described in the State Emergency Service Act 1989 No 164.

ERSL definition