4 ‘console’ interface connector, 5 ‘(external) reference in/out’ connector – Comtech EF Data CDM-800 User Manual
Page 45
CDM-800 Gateway Router
Revision 1
Rear Panel Connections
MN-CDM800
3–9
3.2.4.4 ‘CONSOLE’ Interface Connector
Connector Type
Name
Direction
Type ‘D’ 9‐pin male
CONSOLE
In/Out
This interface is used for EIA‐232 communications. It is intended for connection to an
M&C computer or VT (Video Terminal) device.
Table 3-2. CONSOLE Connector Pinout
Pin #
Description
Direction
1 GROUND
–
6
RESERVED ‐ DO NOT CONNECT TO THIS PIN
–
2 EIA‐232 TRANSMIT DATA
OUT
7
RESERVED ‐ DO NOT CONNECT TO THIS PIN
–
3 EIA‐232 RECEIVE DATA
IN
8
RESERVED ‐ DO NOT CONNECT TO THIS PIN
–
4 RESERVED ‐ DO NOT CONNECT TO THIS PIN
–
9
RESERVED ‐ DO NOT CONNECT TO THIS PIN
–
5 GROUND
–
3.2.5
‘(EXTERNAL) REFERENCE IN/OUT’ Connector
This interface is used for phase‐locking the internal 10MHz reference oscillator. It
allows selectable input of 1, 2, 5 or 10 MHz or an output of 10 MHz. The impedance
is matched for 50
Ω
, and requires a level in the range of 0 dBm to +10 dBm ±3 dB.
Connector Type
Name
Direction
BNC
Reference In/Out
In/Out