The D20 main case has three modem slots with modems

WESDAC D20 Modem:

•1200 baud, 202 modem

Telenetics modem:

•2400 baud, dual-line dial-up modem

•Telenetics 14400 baud, 2-line dial-up modem

•Telenetics 14400 baud, 4-wire, private line modem
D20 Power input options

Auxiliary power supply can be used to accommodate other

Voltage range.

D20EME Ethernet/memory board

D20EME Modular Ethernet/memory card can be used simultaneously

Or upgrade your communication bandwidth when you need to increase it.

Media types • 10base-t, 10Base2, 10Base FL

Memory options:

• SRAM with 0 MB, 8 MB, or 16 MB battery support

D20 EME 10BASE-T