Mocomtech CRS-300 User Manual
Page 175
CRS-300 1:10 Redundancy Switch
Revision 16
Connector Pinouts
MN/CRS300.IOM
6–7
6.2.5
Balanced G.703 – DB-15F Connector (CRS-325/330/340)
Table 6-8 indicates the pinout for the DB-15F TMI User Data Interface connector (Balanced
G.703): Located at J6 on the CRS-325; J1 on the CRS-330; and P1 on the CRS-340.
Table 6-8. Balanced G.703 Connector
Pin
Signal Description
Name
Direction
1*
Tx, Drop Data Input (-)
DDI–
In
9*
Tx, Drop Data Input (+)
DDI+
In
2 Ground
GND
10 Not
Used
3*
Rx, Insert Data Output (-)
IDO–
Out
11*
Rx, 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.
TMI User Data Interface:
Balanced G.703 connector