Issue 1.2 UNIVERGE SV9100
5 - 76 Installing DT Series Digital and IP Multiline Terminals
5.2 DT Series Optional Terminal Equipment
5.2.1 8LK-L (BK) UNIT/8LK-L (WH) UNIT
Provides eight additional line keys to IDT Series 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.
. Only one 8LK-L UNIT can be attached to the DT Series 
multiline terminal.
Figure 5-72  8LK-L UNIT
To prevent possible damage to the 8LK-L 
UNIT or the DT Series multiline 
terminal during installation or removal, 
disconnect  the line cord/LAN cable and 
the AC/DC adapter from the DT Series 
multiline terminal.