Condition - Very Good The item shows wear from consistent use, but it remains in good condition and functions properly. Item may arrive with damaged packaging or be repackaged. It may be marked, have identifying markings on it, or have minor cosmetic damage. It may also be missing some parts/accessories or bundled items.
The McGraw-Hill Essential ISDN Sourcebook
A nuts-and-bolts fact book on installing and using ISDN for common applications covers using ISDN for residential and business-oriented Internet access, point-to-point data connections support, and LAN/WAN interconnection. Original. (Intermediate).
