Troubleshooting and Diagnostics 4
34980A Service Guide 99
For the 34923A, relay part numbers are given on page 129 and the component locator is
shown on page 140. The table below shows the relationship of channel numbers to relay
numbers.
Bank 1 Bank 2
2-, 4-Wire
Channel
1-wire
Channel
Relay 2-, 4-Wire
Channel
1-Wire
Channel
Relay
001 001, 002 K401 021 041, 042 K501
002 003, 004 K401 022 043, 044 K501
003 005, 006 K402 023 045, 046 K502
004 007, 008 K403 024 047, 048 K503
005 009, 010 K405 025 049, 050 K505
006 011, 012 K401 026 051, 052 K501
007 013, 014 K402 027 053, 054 K502
008 015, 016 K403 028 055, 056 K503
009 017, 018 K404 029 057, 058 K504
010 019, 020 K404 030 059, 060 K504
011 021, 022 K401 031 061, 062 K501
012 023, 024 K401 032 063, 064 K501
013 025, 026 K403 033 065, 066 K503
014 027, 028 K404 034 067, 068 K504
015 029, 030 K405 035 069, 070 K505
016 031, 032 K402 036 071, 072 K502
017 033, 034 K403 037 073, 074 K503
018 035, 036 K404 038 075, 076 K504
019 037, 038 K405 039 077, 078 K505
020 039, 040 K405 040 079, 080 K505
Backplane Backplane
911 K611 921 K621
912 K612 922 K622
913 K613 923 K623
914 K614 924 K624