Toshiba Strata DK Backup - Manual (Page 151)

––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– PDIU-DS Modem Pool Installation
141
PDIU-DS Modem Pool Installation
To Make Connection
When connecting a PDIU-DS to a modem for modem pool operation (see Figures 20 to 22 ),
set up the PDIU-DS and modem per Steps 1 ~ 7 below.
1. PDIU-DS P1 through P9 jumper connections/option switch settings:
a. Remove PDIU-DS cover.
b. Install all PDIU-DS jumper-plugs except P3 and P4 across B-C.
c. Remove jumper plugs from P3 and P4.
d. Solder on or wire wrap W6 and W8 jumper wires as shown (W6 and W8 are dealer-
supplied)
e. PDIU-DS SW1 option switch settings:
♦
SW1-2 and SW1-4 should be on (down).
♦
W1-1 and SW1-3 should be off (up).
Figure 23 External Modem to Strata DK TTY Port Connection
PDIU-DS
PCB
DTE/MODEM
JUMPER PLUGS
P1~P9
SW1
SIDE GROOVES
BOTTOM
PANEL
EX.
POWER
W2
W1 PERCEPTION
W3
A B C
P5
P1
P2
P7
P4
W6
W8
P3
P6
P8
P9
0925DK