Comtech EF Data CDM-625 - Manual (Page 133)

CDM-625 Advanced Satellite Modem Revision 15
Front Panel Operation MN-CDM625
5–33
5.2.1.6 CONFIG: D&I (Drop & Insert)
Chapter 9. CLOCK MODES AND DROP & INSERT (D&I).
1. Drop & Insert operation is a FAST option.
2. D&I (Drop & Insert) is not available when IP-ACM mode is selected.
If D&I has not been selected, this menu displays as shown:
Drp-Type= N/A Chan/TS Loop=Y (Y/N)
Ins-Type= N/A Chan/TS ()
If you configure the modem for Quad Drop and Insert (QDI), then a different menu displays –
see Sect. 5.2.1.6.4.
For one-port D&I, the menu displays as shown:
Drp-Type= T1-D4 Chan/TS Loop=Y (Y/N)
Ins-Type= T1-D4 Chan/TS ()
On the top line – Use the ◄ ► arrow keys to select the Drp-Type (Drop-Type); its Chan/TS
(Channel Timeslot); or the Loop.
On the bottom line – Select the Ins-Type (Insert-Type) or its Chan/TS (Channel Timeslot).
For any of these selections, press ENTER to continue on to that selection’s submenu branch, and
then use the ▲▼ arrow keys to individually edit those parameters.
5.2.1.6.1 CONFIG: D&I  Loop
Selecting Loop ties Drop Data Out (DDO) to Insert Data Input (IDI) without having to externally
connect cables to these ports. Use the ▲▼ arrow keys to select Y(es) or N(o) for the Loop
feature.
5.2.1.6.2 CONFIG: D&I  Drp-Type or Ins-Type
The Drop-Types and Insert-Types are:
► T1- D4 ► T1 – ESF ► E1 – CCS ► E1 – CAS
Use the ▲▼ arrow keys to select the desired Drop-Type and Insert-Type. To edit the Channel
Timeslots (Chan/TS) for either Drop or Insert, press ENTER to display the screens featured in the
next sections.