2) ADC Kentrox model 72771 DataSMART 4 port CSU/DSU. Worked when removed from service, pass POST. Includes PCMCIA NIC w/dongle and AC power cord. Buy the pair for $45.00 (OBO) plus freight!

3) ADC Kentrox DataSMART 72656 CSU/DSU. Worked when removed from service, pass POST. Includes AC power cord (one has 15-pin d-sub to 8P8C adapter). Buy all 3 for $65.00 (OBO) plus freight.

Shoot me an e-mail, feel free to make offers!