D21m System
6-16 D21m Modules
Date printed: 30.08.07
S4 DIP switch for MADI setting (on the Cat5 version the switches 4...8 are
used differently, as indicated below):
Card Versions Switch Setting
ALL MADI Cards
1
OFF: AUX IF is used for channel extension at 96 kHz (factory default)
ON: AUX IF is used for redundancy at 96 kHz
(in 48 kHz mode, AUX IF is used for redundancy regardless of the switch setting)
2, 3
Both OFF: Standard operation (factory default)
Both ON: No communication on system UART (used for Hub-Hub interconnec-
tion)
One ON and one OFF: NOT ALLOWED.
Optical Versions only
(RS2426)
4...7
Must be set to OFF (factory default)
8
Not used (factory default: OFF)
Twisted-Pair Cable
Version only
(RS2409)
4 5 6 Baud Rate
OFF OFF OFF 115’200 bps (factory default)
OFF OFF ON 57’600 bps
OFF ON OFF 38’400 bps (9-pin)
OFF ON ON 31’250 bps (MIDI)
ON OFF OFF 19’200 bps
ON OFF ON 9’600 bps
ON
...
ON
...
OFF
...
Reserved for future use
7 8 Setting (refer to
**S1
above)
ON OFF BNC output carries system word clock (factory default)
OFF ON BNC output carries received word clock
S5 DIP switch for RS422 pinout selection:
12345678Setting
OFF OFF OFF OFF ON ON ON ON
RS422 Controller pinout
ON ON ON ON OFF OFF OFF OFF
RS422 Device pinout (factory
default)
NO OTHER SETTINGS ALLOWED!
Connector Pin Assignments: CTRL (9-pin D-type, female)
Pin RS422 Controller RS422 Device
1
Chassis Chassis
2
RxD – TxD –
3
TxD + RxD +
4
GND GND
5
n.c. n.c.
6
GND GND
7
RxD + TxD +
8
TxD – RxD –
9
Chassis Chassis
MADI MAIN / MADI AUX (8-pin RJ45) (on Cat5 version only)
Pin Signal
1 MADI TxD +
2 MADI TxD –
3 MADI RxD +
4 WCLK TXD/RXD +
5 WCLK TXD/RXD –
6 MADI RxD –
7 reserved
8 reserved
LEDs: On if a valid MADI signal is available at the input that is locked to the system
clock.
1
5
9
6
Solder/Crimp View
(or Socket View)
1
8
Socket View
