08.143GPPBase Station System (BSS) - Serving GPRS Support Node (SGSN) interfaceGb interface Layer 1General Packet Radio Service (GPRS)Release 1999TS

3.1 Definitions

Refer to 3GPP TS 02.60 [2].

3.2 Symbols

Refer to 3GPP TS 03.60 [3].

3.3 Abbreviations

For the purposes of the present document the following abbreviations apply. Additional applicable abbreviations can be found in 3GPP TS 01.04 [1] and 3GPP TS 03.60 [3].

DCE Data Circuit-terminating Equipment

DTE Data Terminal Equipment

E1 A four wire symmetrical digital transmission path carrying PCM signal at 2048 kbit/s.

FRF Frame Relay Forum

T1 A four wire symetrical digital transmission path carrying PCM signal at 1544 kbit/s.