Toshiba Strata DK 280 Installation Manual page 176

Each position on the RSIU card can
accept either an RSIS or RMDS (Note 1)
card. Only one RMDS card can be used
per RSIU. (See Note 1)
Port #2
3-Pair
-------117
Modular +
~ll#.lf
Port #1
3-Pair
Modular
Jack -
I
I
'-------------I
---------------I
I
Port #3
-------xv
3-Pair
'i-----
-------------I
Modular + I IT,, / "'
IC
v-v
-
1 Jack
RL---A ,'
1 RSIS or RMDS (Note
1) 1
P2
I
a
r-----------
I
Pll /----
I
a
r---- '
m
-------------
I
PO ,' w
I
i
/i I
/"PI '
------ ------ __-___-
I 52
r:-l
, :------------?,,
-------
BOTTOM VIEW (solder side)
RMDS Top View RSIS Top View
RMDSlA 1
TOSHIBA '
A
i...............*
53 '
Do not connect
telephone circuit
Tip;Ring to 54
(See Note 2)
TOSHIBA
53
52 52
1 1
17 17 ;
\
. . . . . . . . . . . . . . ..- . . . . . . . . . . . . . . ..-
,
OK0294
Notes:
1. Maximum of one RMDS per RSIU, maximum of three RSIS per RSIU.
2. On RMDS, J4 is not used for modem operation, it is used when RMDS
is confiqured for 77-Y, SMDI, SMDR, or MIS operation like RSIS.
Figure 4-38
RSIU/RSIS/RMDS PCB Installation
4-60
January 1996