Toshiba DK14 Installation And Maintenance Manual page 207

Table 5-9 RCTUBB Controls, Indicators, and Interface Connectors
Control/Indicator/Connector
Connector P2
Connector P3
Heart Beat indicator CD11
Identifies
ROM Version
Heart Beat
LED
Ribbon Cable to RCTUBA
Figure 5-34 RCTUBB PCB
Strata DK I&M 5/00
RCTUA, RCTUBA/BB, RCTUC/D, RCTUE/F Common Control Units
Type of Component
Connector for ribbon
cables
Connector for ribbon
cables
Red LED
Backplane Connector
Program
IC10
ROMS
IC9, 10, 11, and 12
To RCTUBA/RSIU
Connectors
IC9
CD5
RCTUBB4
Description
Connector for RCTUBA ribbon cables. Used
with P2.
Connector for RCTUBA and RSIU ribbon
cable. Used with P11.
Flashes to indicate operation (1/4 second On
— 1/4 second Off).
P1
CBRUK
U3
P2 P3
1368
Ribbon Cable to RCTUBA
(and RSIU if installed)
DK424 Installation
Install in
"RCTU" Slot
RKYS
Key Socket
5-55