Siemens RM400 C Series Operating Manual page 63

If you have any questions on the subject of DCE and long-range data transmission
lines, you should consult your local SNI office.
Figure 26: WAN controller with X.21 port (EWAN-L, EISA) (CW11) - (optional) -
Figure 27: WAN controller with V.24 port (EWAN-L, EISA) (CW14) - (optional) -
Figure 28: WAN controller with V.24 and X.21 port (EWAN, EISA) (CW20, CW22) - (optional) -
Figure 29: ISDN S controller (ISA) (CW31) - (optional) -
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Figure 30: ISDN S controller (ISA) (CW32) - (optional) -
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The second S port is available only if the CW33 option is installed.
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U24802-J-Z146-2-7600
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RM400 C Models
Installing peripherals
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