Advantech ARK-2121V, User Manual

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ARK-2121V User Manual 20
3.4.3.2 WWAN module Power Selection (SW1)
3.4.4 I/O Board (ARK-2121V-S9A1E Only)
3.4.4.1 WWAN Voice audio – PCM data in/out swap (J1)
(1-3), (4-6) * (3-5), (2-4)
3.4.4.2 WWAN module Power Selection (SW1)
Table 3.11: WWAN Module Power Selection
Setting Function
1(On), 2 (On) 3.6V
1(Off), 2 (On) 3.5V
1(On), 2 (Off) 3.4V
1(Off), 2 (Off)* 3.3V
Table 3.12: WWAN Voice Audio –PCM Data In/Out Swap
Setting Function
(1-3), (4-6) *
PCM_IN

PCMA_OUT; PCM_OUT

PCMA

IN
(3-5), (2-4) PCM_IN

PCMA_IN; PCM_OUT

PCMA

Out
Table 3.13: WAN Module Power Selection
Setting Function
1(On), 2 (On) 3.6V
1(Off), 2 (On) 3.5V