M3900telephone series Page317 of 544
Option11C and 11C Mini TechnicalReference Guide
Figure 45
M3900 Series mechanical keying
Table96 shows accessory compatibility for the M3900 Series Meridian Digital Telephone.
Table 9 6
M3900 Series Meridian Digital Telephone accessory compatibility (Part1 of 2)
HW Port SDI
SIDL +
USAR
T
USAR
TUART HEADSET GPIO
HW
Port
Accessory MC
A
ATA DTA USB CTIA DB
A
KB
A
EXT.
ART
*
HD/
S
EXT.
ART **
RCD
R
SDI
MCA N/A X X X OK OK OK OK OK OK OK
ATA XOK OK OK OK OK OK OK
DTA XOK OK OK OK OK OK OK
SIDL+
USAR
T
USB X X OK OK OK OK OK OK
USAR
T
CTIA OK OK OK XN/A OK OK OK OK OK OK
UART
DBA OK OK OK OK OK N/A XOK OK OK OK
KBA OK OK OK OK OK XOK OK OK OK OK
SDI
accessory
USART
accessory
SDI + USART
accessory
non-serial
accessory