BT8375 CONEXANT [Conexant Systems, Inc], BT8375 Datasheet - Page 81

• Manufacturer Part Number: BT8375
• Description: single chip transceivers for T1/E1 and Integrated Service Digital Network (ISDN) primary rate interfaces
• Manufacturer: CONEXANT [Conexant Systems, Inc]

Bt8370/8375/8376
Fully Integrated T1/E1 Framer and Line Interface
N8370DSE
2.8 Transmitter
The Digital Transmitter (XMTR) inserts T1/E1 overhead data and encodes single
rail NRZ data from the TSB into P and N rail NRZ data, suitable for transmission
by the TLIU.
Transmit Data Links, Test Pattern Generator, In-Band Loopback Code Generator,
Overhead Pattern Generator, Alarm Generator, Zero Code Suppression (ZCS)
Encoder, External Transmit Data Link, CRC Generation, Framing Pattern
Insertion, and Far End Block Error Generator.
Figure 2-28. XMTR Diagram
The XMTR, illustrated in
TNEG
TPOS
Conexant
Loopback
Line
Encoder
ZCS
Figure
Loopback
Framer
2-28, consists of the following elements: two
Transmitter
Timebase
TCLK
2.0 Circuit Description
To TSBI
TNRZ
2.8 Transmitter
2-53