Model 3610 Installation
2-73610-A2-GB41-60 March 1999
Changing the DSD Option Card
The TDM/DSD or MCMP/DSD is shipped from the
factory with the option card set to EIA-232. The following
procedure tells you how to change this setting to V.35 or
back to EIA-232.
NOTE
If the unit has already been
installed, make sure that the unit
is disconnected from its power
source before changing the
option card.
"Procedure
1. Gently work the option card free of its connector
(refer to Figure 2-6).
2. Turn the card around, and re-insert the option card
so that from the rear, the option card reads THIS
SIDE FACES REAR FOR V.35.
3. Reinstall the DSU circuit card, securing it to the
base with the three screws (refer to Figure 2-4).
4. Reconnect the LCD, keypad, and TDM/MCMP
flat cables. For the TDM/MCMP flat cable, make
sure the flat-cable ferrite choke is properly
positioned on the edge between the DSU and the
TDM/MCMP circuit card.
5. Replace the cover over the expanded base,
carefully aligning the rear panel and four snap tabs
over their corresponding slots.
6. Press the cover and base together until all four
tabs snap into place.
OPTION
CARD
REAR
PANEL
LED 2
(YELLOW
V.35)
LED 1
(GREEN
EIA-232) 496-13845-02
THIS SIDE FACES REAR FOR V.35
Figure 2-6. Changing TDM/DSD or MCMP/DSD Interface Compatibility