Programming instructions

290
3300 ICP Technician’s Handbook
DSU Card Layout
DS1 Formatter
Table 72: DS1 DB-15 Connector Pinout
Pin Color Code Description
1/9 W/O, O/W Tx Tip/Ring
2/4 W/G, G/W Frame Ground
3/11 W/BL, BL/W Rx Tip/Ring
Others — Unused