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Opening the dsu – Paradyne COMSPHERE 3611 User Manual

Page 11

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COMSPHERE 3600 Series Data Service Units

2-2

September 1996

3610-A2-GB48-50

TDM/Flex and MCMP/Flex models are available with

two or six ports. When your firmware version is 6.33 or
greater, each port can be set individually for either
EIA-232 or V.35 using the front panel, an async terminal,
or an NMS.

Based on your model, you may need to perform one of

following procedures. Use ID from the Status branch to
obtain the firmware version.

If your

model is a

6-port . . .

And the

EIA232

setting . . .

Then . . .

TDM/Flex or
MCMP/Flex

Is correct

Go to the

Powering Up the

DSU section, page 2-4.

MCMP/Flex
with firmware
6.33 or
greater

Needs to be
changed

Go to the

Powering Up the

DSU section, page 2-4
and the

Reconfiguring

Ports section, page 2-5.

TDM/Flex or

Is correct

Go to the

Powering Up the

DSU section, page 2-4.

TDM/Flex or
MCMP/Flex
with firmware
less than
6.33

Needs to be
changed

Change the S1 switch
setting; refer to Document
No. 3610-A2-GZ51,
TDM/Flex and MCMP/Flex
Installation Instructions.

TDM/DSD

Is correct

Go to the

Powering Up the

DSU section, page 2-4.

TDM/DSD or
MCMP/DSD

Needs to be
changed

Change the option card to
set all six ports; start with
next section,

Opening the

DSU.

Opening the DSU

NOTE

If the unit is already installed,
disconnect all cables, including
the power source, before
opening the DSU.

Follow this section to change a TDM/DSD or

MCMP/DSD model from:

EIA-232 interface to V.35 interface, or

V.35 interface to EIA-232 interface

Use a small flat-head screwdriver to release the four

snap tabs holding the base in place. Remove the cover. Do
not allow any cables to pull free from the inside front
panel connectors.

496-14707-01

With TDM
or MCMP

Snap Tabs

COMSPHERE 3610

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