A1.11; Extension Bus Interface - AVT MAGIC DAB Hardware/Software Description

I n t e r f a c e s
1
14
PAG E 6 2

A1.11

Extension Bus Interface

The Extension Bus allows a cascading of two or more MAGIC systems.
This function is in this variant not available.
TAB. 16
13
Connector: Extension Bus (SUB-D, 25-pole)
25
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
PIN ASSIGNMENT: EXTENSION BUS INTERFACE
Signal
Shield
TXa Transmit Data a
Ca Control a
RXa Receive Data a
CLK48a Clock 256x48 kHz a
CLKa Clock Receive a
GND Ground
TXb Transmit Data b
Cb Control b
RXb Receive Data b
CLK48b Clock 256x48 kHz b
CLKb Clock Receive b
CTa Control RS485-Bus
CTb Control RS485-Bus
C_DATAa RS485-Bus
C_DATAb RS485-Bus
RXD_Va Receive_D_Valid a
RXD_Vb Receive_D_Valid b
TXD_Va Transmit_D_Valid a
TXD_Vb Transmit_D_Valid b
FSa Frame_Sync a
FSb Frame_Sync b
reserved
reserved
Electrical characteristics
Data Rate:
64-kbit/s to 2,048-Mbit/s
Level: V.11, balanced
Protocol for RS-485:
1 Startbit
8 Data bits
1 Parity bit
1 Stop bit
Data Rate: 19200 Bd