Philips SPENDEX 40 Maintenance Manual page 48
Speech encryption decryption equipment
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Also See for SPENDEX 40:
- Operating manual (25 pages) ,
- Operating instructions manual (21 pages)
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SPENDEX 40 UA 8251/00 AND /Ol
NATO CONFIDENTIAL
LIMITED MAINTENANCE MANUAL
6.2.2
Non-fatal hardware alarms - fault finding table
r
■
D i s p l a y
Meaning
Suspected module
"XACTV -1"
Activity alarm PKG
cannot be reset
• Key generator board
"XACTV -2"
Activity alarm CKG
cannot be reset
• Key generator board
"%ACTV -4"
Activity alarm RKG
cannot be reset
• Key generator board
"XCOMAL -"
Compare alarm
cannot be reset
• Key generator board
"%CRYP AL"
Crypto alarm
cannot be reset
• Controller board
"%KGR
RKG cannot be switched
over to firmware clock
• Key generator board
"%KGR 1"
Key bit alarm RKG
• Key generator board
"XKGR 2"
Subkey bit alarm RKG
• Key generator board
"XKGR 4"
Parity bit alarm RKG
• Key generator board
"XKGT
PKG/CKG cannot be
switched over to
firmware clock
• Key generator board
"XKGT 1"
Key bit alarm PKG/CKG
• Key generator board
" X K G T 2 "
Subkey bit alarm PKG/CKG
• Key generator board
" X K G T 4 "
Parity bit alarm PKG/CKG
• Key generator board
"XLOOP 1"
I n t e r n a l ( d i g i t a l )
l o o p f a u l t y
■ Telephony board
• Key generator board
• Timing board
"XLOOP 3"
External (analogue)
l o o p f a u l t y
• Telephony board
• Line interface board
• Modem
• Key generator board
"XLOOT -1"
Random bit alarm PKG
cannot be set/reset
• Key generator board
I
9922 154 13431
NATO CONFIDENTIAL
6-4
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