Cobalt Digital Inc 3G Fusion 9921-FS Product Manual page 53

Installation and Setup
Rear module
PCB connector
Note: Unbalanced connections can be
connected across the + and G
terminals. Note that this connection
will experience a 6 dB voltage gain
loss. Adjust input gain for these
connections accordingly.
Rear module
PCB connector
RS-485
GPI Port Connections
Rear module
PCB connector
GPI 1
IN 1
9921-FS-OM (V1.18)
+ - G
+ –
2 1 C
A (-) B (+)
1 2 G
Removable Phoenix
plug view oriented
with top (screw
terminals) up
GPI 2
IN 2
G
G
Figure 2-4 Phoenix Terminal Connections
9921-FS PRODUCT MANUAL
Setting Up 9921-FS Network Remote Control
Balanced Analog Audio Port Connections
Removable Phoenix plug view oriented
with top (screw terminals) up
G
COMM Port Connections
Removable Phoenix plug view oriented
with top (screw terminals) up
Note: RS-485 communication will not work if
any of the connections are reversed from
that shown here.
G
GP0 Port Connections
C 1 2 C
GPO 1
GPO 2
Rear module
PCB connector
GPO controlled circuit
must not exceed
voltage/current ratings.
See Technical
Specifications (p. 1-28)
in Chapter 1,
Introduction.
2-17