TECHNICAL SPECIFICATION Type: Plain Paper Facsimile Transmission Standard: Conform ITU-T G3 Standard Applicable line: PSTN/ PABX Transmission Speed ( bps) 14400/ 12000/ 9600/ 7200/ 4800/ 2400 Transmission....
Tianjin Optical Electrical Group Co., Ltd. ( i.e. TOEC) is a High-Tech enterprise located in Tianjin, its business fields involve in the R& D, manufacture and distribution of optical communication....
PCM series Intelligent PCM120 offers 16 E1 directions and 120 voice channels. All of the 512 time slots can be cross-connected flexibly. The 1U4E1PCM30 offers 4 E1 and 30 channels. All time slots....
Tianjin Hengguang Techonlogy Co Ltd., founded in 1993. At that time, to be under the jurisdiction or command of the 754 factories ( Tianjin TOEC) . In 1997, as 15 state-owned enterprise reform, one of....