856 ELECTRONIC LOCATION AND ACCESS (R)
Indicators First Access method ^ No information provided 0 Email 1 FTP 2 Remote login (Telnet) 3 Dial-up 4 HTTP 7 Method specified in subfield $2 Second Relationship ^ No information provided 0 Resource 1 Version of resource 2 Related resource 8 No display of constant generated
Subfields $a Host name (R) $b Access number (NR) $c Compression information (R) $d Path (R) $f Electronic name (R) $g Uniform resource name (R) $h Processor of request (NR) $i Instruction (R) $j Bits per second (NR) $k Password (NR) $l Logon (NR) $m Contact for access assistance (R) $n Name of location of host (NR) $o Operating system (NR) $p Port (NR) $q Electronic format type (NR) $r Settings (NR) $s File size (R) $t Terminal emulation (R) $u Uniform Resource Identifier (R) $v Hours access method available (R) $w Record control number (R) $x Nonpublic note (R) $y Link text (R) $z Public note (R) $2 Access method (NR) $3 Materials specified (NR) $4 Copyright message (NR) $6 Linkage (NR) $8 Field link and sequence number (R) $9 Type of program (NR)