Comtech EF Data CRS-150 - Manual (Page 32)

CRS-150 1:1 Redundancy Switch Revision 2
Connector Pinouts MN/CRS150.IOM
3–6
3.2.2.3 Audio Connector, DB-9F
The 9-pin ‘D’ Type female (DB-9F) Audio connector is used for the two 32
kbps ADPCM audio inputs and outputs (600
Ω transformer coupled, balanced
signals). These can be used for both ESC voice circuits in IDR mode, or as the
primary data (FAST option).
Audio Connector (DB-9F)
Pin # Signal Function Direction
1 Tx Audio 1 (+) In
6 Tx Audio 1 (-) In
2 Rx Audio 1 (+) Out
7 Rx Audio 1 (-) Out
8 Tx Audio 2 (+) In
4 Tx Audio 2 (-) In
9 Rx Audio 2 (+) Out
5 Rx Audio 2 (-) Out
3 Common
3.2.2.4 G.703 Connectors
3.2.2.4.1 Balanced G.703 Interface Connector, DB-15F
The 15-pin ‘D’ Type female (DB-15F) P7 Balanced G.703 connection is used
for balanced operation at the G.703 data rates of T1 (1.544 Mbps), E1 (2.048
Mbps), or T2 (6.312 Mbps).
Balanced G.703 Connector (DB-15F)
Pin # Signal Function Name Direction
1* Drop Data Input ( - ) DDI– In
9* Drop Data Input (+) DDI+ In
2 Ground GND
10 Not Used
3* Insert Data Output ( - ) IDO– Out
11* Insert Data Output (+) IDO+ Out
4 Ground GND
12 Drop Data Output ( - ) DDO– Out
5 Drop Data Output (+) DDO+ Out
13 Insert Data Input ( - ) IDI– In
6 Insert Data Input (+) IDI+ In
14 Not Used
7 Not Used
15 Not Used
8 Not Used
*Use for all non-Drop and Insert and T2/E2 balanced applications.