11 overhead/ds0 audio rear panel interface -7 – Comtech EF Data MM200 User Manual
Page 83
Advertising
MM200 High-Speed Microwave Modem
Electrical Interfaces
TM086 - Rev. 4.1
5-7
5.11 Overhead/DS0 Audio Rear Panel Interface
This rear panel interface (Figure 5-4) provides eight 64 Kbps DS0 interfaces or seven DS0 and
one Audio Channels. Refer to Tables 5-6 and 5-7 for pin assignments.
Figure 5-4. Overhead/DS0 Audio Rear Panel Interface
Table 5-6. Channel 1 (Female 15-pin HD ‘D-Sub’)
DS0
Audio
Pin
Signal
Direction
Pin
Signal
1
RX_DS0 +
Out
1
2
GND
2
3
TX_DS0 +
In
3
PUSH_TT
4
REF_CLK +
Out
4
REF_CLK +
5
N/C
5
AUDIO_TX -
6
RX_DS0 -
Out
6
7
RX_CLK +
Out
7
8
TX_CLK -
In
8
9
REF_CLK -
Out
9
REF_CLK -
10
N/C
10
AUDIO_RX +
11
RX_CLK -
Out
11
12
TX_CLK +
In
12
13
TX_DS0 -
In
13
PUSH_TT-GND
14
N/C
14
AUDIO_RX -
15
N/C
15
AUDIO_TX +
Advertising