Toshiba Strata DK14 Installation And Maintenance Manual page 286

DK40i/DK424 Universal Slot PCBs
RSIU, RSIS, RMDS RS-232/Modem Interface Unit
Table 7-17 RSSU Controls, Indicators, and Connectors
Control/Indicator/Connector
TTY interface connector J3
Figure 7-25 RSSU PCB
7-52
Type of Component
Dual modular connector
J3
TTY SMDR (not used)
Description
Interface connector for maintenance terminal/
external modem.
Backplane Connector
RSSU
Strata DK I&M 5/99