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COMSPHERE 3600 Series Data Service Units
2-4 March 1999 3610-A2-GB41-60
Changing Hardware Settings
If you have a new TDM/Flex or MCMP/Flex or if you
ordered a Flex field installation upgrade for a DSU having
firmware version 6.3x or greater, you do not change
hardware straps; you set each port to operate
independently of the others via the DCP, an async
terminal, or an NMS.
If you ordered the 6-port TDM/Flex or MCMP/Flex
field installation upgrade for a DSU having a firmware
version less than 6.3x, use the S1 switch to change the
TDM or MCMP port interface operation – EIA-232 or
V.35.
If you have a TDM/DSD or MCMP/DSD, use the
option card to change the TDM or MCMP port interface
operation – EIA-232 or V.35.
Follow this procedure to open the DSU and separate it
from the TDM or MCMP (refer to Figures 2-3 and 2-4).
Select the appropriate procedure based upon the type of
TDM or MCMP you have – either the switch (Flex) or
option card (DSD).
NOTE
If the unit has already been
installed, make sure that the unit
is disconnected from its power
source before changing the Flex
interface switch position.
" Procedure
1. With the unit upside down, use a small flat-head
screwdriver to release the four snap tabs holding
the base in place (refer to Figure 2-3).
2. Turn the unit over while being careful not to allow
any cable to be pulled free of the connectors.
496-14518a-01
SNAP TABS
COMSPHERE 3610
SNAP TAB
SERIAL
NUMBER
R
U
L
R
THIS DIGITAL APPARATUS DOES NOT EXCEED THE CLASS A LIMITS FOR RADIO NOISE
EMISSIONS FROM DIGITAL APPARATUS SET OUT IN THE RADIO INTERFERENCE
REGUAALTIONS OF THE CANADIAN DEPARTMENT OF COMMUNICATIONS
FOR USE WITH A CERTIFIED CLASS 2 POWER SUPPLY FOUR UTILISER AVEC LINE
ALIMENTATION CERTIFEE
EN CLASSE 2.
THIS DEVICE COM;OIES WITH PART 15 OF THE FCC RULES OPERATION IS SUBJECT TO
THE FOLLOWING TWO CONDITIONS (1) THIS DEVICE MAY NOT CAUSE HARMFUL
INTERFERENCE AND (2) THIS DEVICE MUST ACCEPT ANY INTERFERENCE RECEIVED
INCLUDING INTERFERENCE THAT MAY CAUSE UNDESIRED OPERATION.
FCC ID: NOT APPLICABLE
PEC
MFG DATE
MODEL
NO.
SER.NO
COMM CODE
MADE IN USA
SNAP TAB
WITH TDM/FLEX
OR MCMP/FLEX
SNAP TABS
COMSPHERE 3610
Figure 2-3. Opening the DSU