Kramer Electronics TP-107AV - Manual (Page 18)

Your Line Transmitters and Presentation Controllers
15
Figure 12: RC-116 Underside Panel
Table 10: RC-108 / RC-116 (Underside Panel) Features
# Feature Function
1 PROGRAM Switch Slide upwards to PROGRAM to upgrade to the latest Kramer firmware
(see section 6), slide downwards for normal operation
2 RS-485 TERM. Switch Set the switch to the left to ON for RS-485 Line Termination with 120
3 NULL MODEM MODE
Switch
Set to NULL MODEM MODE to connect a PC to the unit, using the Null-
modem adapter; otherwise connect without a null-modem adapter