AVT MAGIC ISDN, Описание аппаратуры

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PA G E 5 8
I N T E R F A C E S
A2.4 Sampling clock output
A2.5 Data interfaces
A2.5.1 HSD interface
The HSD channel is intended for the transmission of high-speed data. At pre-
sent only a data rate of 64-kbit/s is available
A2.5.2 LSD interface
The LSD channel is used for the transmission of low-speed data or for the re-
mote control / diagnosis of the system at the far (remote) end with the J.52 in-
band signalling protocol. Remote control of the far end system is possible bet-
ween MAGIC systems. A software update of the far end (Remote Software
Update) during transmission has also been implemented.
Socket: Sampling Clock Out (BNC)
Pin Signal Electrical characteristics
1
Clock Amplitude: 0.5 to 1.9 Vp0 (input))
1.5 Vp0 (output)
Impedance: 75
Ω
, unsym.
2
GND
Socket: HSD (SUB-D 15-pole)
Pin Signal Electrical characteristics
1
SHIELD Schirm Type: DCE
Type: V.11, symmetrical
Data rate: 64 to 1536-kbit/s
Range: 100 m
2
T a Transmit a
3
C a Control a
4
R a Receive a
5
I a Indicate a
6
S a Signal Element Timing a
7
B a Byte Timing a
8
GND Ground
9
T b Transmit b
10
C b Control b
11
R b Receive b
12
I b Indicate b
13
S b Signal Element Timing b
14
B b Byte Timing b
15
not connected
Socket: LSD (SUB-D 9pole)
Pin Signal Electrical characteristics
1
CD Carrier Detect Type: DTE
Level: V.24
Data rate: 300 to 38400 Baud
Range: max. 15 m
2
RxD Receive Data
3
TxD Transmit Data
4
DTR Data Terminal Ready
5
GND Ground
6
DSR Data Set Ready
7
RTS Request To Send
8
CTS Clear to Send
9
RI Ring Indication
1
2