NEC Univerge SV8100 System Hardware Manual page 277

5.2
5-52
CHUYÊN CUNG CẤP TỔNG ĐÀI NEC
DT300/DT700 Series Optional Terminal Equipment
5.2.1 8LK-L (BK) UNIT/8LK-L (WH) UNIT
Provides eight additional line keys to ITL or DTL terminals (except
Economy). The unit features:

Mounts directly to right side of terminal

Supports Red and Green LED colors
5.2.1.1 Installing the 8LK-L UNIT
1. Remove both plastic panels from the front of the
multiline terminal.
2. Turn multiline terminal upside down.
Installing DT300/DT700 Series (DTL/ITL) Digital and IP Multiline Terminals
Figure 5-56 8LK-L UNIT
To prevent possible damage to the 8LK-L
UNIT or the DTL/ITL multiline terminal during
installation or removal, disconnect the line
cord/LAN cable and the AC/DC adapter from
the DTL/ITL multiline terminal.
Only one 8LK-L UNIT can be attached to the DTL/ITL
multiline terminal.
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UNIVERGE SV8100