1760-v can be equiped with max of 4 FXO cards:
WIC/VIC slot 1
WIC/VIC slot 1
VIC slot 2
VIC slot 3.
If you use aDSL router (do not use modem) in front of 1760 then you can use Ethernet connection between 1760 and aDSL.
Otherwise you need to leave one WIC.VIC slot for DASL POTS line card.
Here is some indicative config for you:
CISCO1760-V 10/100 Modular Router w/Voice,19-in Chassis,32MB FL/96MB DR 1
S17CV8P-12215ZL Cisco 1700 IOS IP/VOX PLUS 1
PVDM-256K-16HD 16-Channel Packet Voice/Fax DSP Module for 1700 1
VIC-2FXO-M3 Two-port Voice Interface Card - FXO (for Australia) 1
VIC-2FXO-M3 Two-port Voice Interface Card - FXO (for Australia) 1
VIC-2FXO-M3 Two-port Voice Interface Card - FXO (for Australia) 1
VIC-2FXO-M3 Two-port Voice Interface Card - FXO (for Australia) 1
CAB-AC Power Cord,110V 1
MEM1700-64U96D Cisco 1700 64MB to 96MB DRAM Factory Upgrade 1
PVDM-256K-4 4-Channel Packet Voice/Fax DSP Module 1
CON-OSP-1760V 24x7x4 Onsite Svc, 10/100 Modular Router w/Voice IP/VOICE P 1
Regards,
Vakhtang