CX28398 Conexant Systems, CX28398 Datasheet - Page 98

• Manufacturer Part Number: CX28398
• Description: (CX28394 - CX28398) Quad/x16/Octal?T1/E1/J1 Framers
• Manufacturer: Conexant Systems

2.0 Circuit Description
2.4 Transmitter
Figure 2-20. XMTR Diagram
2-40
TNEGO/MSYNCO
TPOSO/TNRZO
Loopback
Line
2.4 Transmitter
The Transmitter (XMTR) inserts T1/E1 overhead data and outputs single rail
NRZ data from the TSB or ZCS-encoded P and N rail NRZ data. The CX28395
only provides single rail NRZ transmit signals.
Data Links, Test Pattern Generator, In-Band Loopback Code Generator, Overhead
Pattern Generator, Alarm Generator, Zero Code Suppression (ZCS) Encoder,
External Transmit Data Link (CX28394 and CX28398 only), CRC Generation,
Framing Pattern Insertion, and Far End Block Error Generator.
Loopback
Framer
The XMTR,
Generator
AIS
Figure
Conexant
2-20, consists of the following elements: two Transmit
Encoder
ZCS
Transmitter
Timebase
TXCLK
Quad/x16/Octal—T1/E1/J1 Framers
CX28394/28395/28398
100054E
To TSBI
TNRZ