Comtech EF Data CDM-425, Инструкция по установке и эксплуатации

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CDM-425 Advanced Satellite Modem
Revision 0
Front Panel Operation 6–37 MN-CDM-425
6.2.1.6.2 CONFIG: Quad D&I (QDI) (QDI, Framed QDI Framing
Mode)
With QDI or Framed QDI set as the framing mode, the D&I menu branch displays Quad D&I
operation as follows:
Quad D&I (QDI): (E1s are synchronous)
Drop Insert Sync/Async Clock Mode (

)
Use the
◄ ►
arrow keys to select Drop , Insert , or Sync/Asynch Clock Mode . Press ENTER .
CONFIG: Quad D&I (QDI)

Drop or Insert
QDI Port[ch]: Drop: 01536 kbps
1[09] 2[15] 3[00] 4[00] (

)
QDI Port[ch]: Insert: 01536 kbps
1[09] 2[15] 3[00] 4[00] (

)
The Drop or Insert submenus show information for all four ports of the Drop or Insert sides, and
the cumulative Tx or Rx data rates.
Typical for either submenu , you may allocate no less than one channel and no more than 32
channels for each port. Use the
◄ ►
arrow keys on the bottom line to select the port to edit, and
then use
the ▲▼ arrow keys to edit the number of channels for that port. The cumulative data
rate calculates and displays on the top line as you edit the number of channels. Press ENTER .
Note that:
•
If you select 32 channels for the active port, that port’s operation is fixed to, and the
nested timeslot menu instead reads, “
Fixed channel mode
” where all timeslots are
allocated in order. Press ENTER or CLEAR to return to the previous menu.
•
If you select 00 channels for the active port, the nested timeslot menu displays but is
disabled. Press ENTER or CLEAR to return to the previous menu.
Otherwise, for a port where the channel is set from 01 to 31 , the nested menu appears as follows
(where Port#X denotes the tributary port Port#1 through Port#4 ):
QDI Drp-Ch: 1 2 3 4 5 6 7 8 >
Port#X TS: 01 02 03 04 11 12 13 14
QDI Ins-Ch: 24 25 26 27 28 29 30 31
Port#X TS: 07 17 04 23 05 14 10 08