E C H N I C A L D A T A - Philips SPENDEX 40 Maintenance Manual

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NATO CONFIDENTIAL
S P E N D E X 4 0 U A 8 2 5 1 / 0 0 A N D / O l L I M I T E D M A I N T E N A N C E M A N U A L
TECHNICAL DATA
2 . 1 I d e n t i fi c a t i o n
Name
Type
Manufacturer
Speech Encryption/Decryption Equipment SPENDEX 40
UA 8251/00 or UA 8251/01
Philips Usfa B.V., Eindhoven
2 . 2 S p e e c h d i g i t i s i n g
Linear Predictive Coding (LPC-10) according to STANAG 4198
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2 . 3 D a t a i n t e r f a c e
Signal level: according to CCITT-recommendation V24/V28 or
EIA-standard RS232-C
B i t r a t e : 2 4 0 0 b i t / s
2 . 4 M o d e m i n t e r f a c e
* * S i g n a l l e v e l : a c c o r d i n g t o C C I T T - r e c o m m e n d a t i o n V 2 4 / V 2 8
B i t r a t e : 2 4 0 0 b i t / s
2 . 5 L i n e i n t e r f a c e
Speech:
- s i g n a l f o r m : a n a l o g u e
- frequency range : 80...3400 Hz
Data (equipment type UA 8251/00):
- signal level
- b i t r a t e
- transmission rate
- carrier frequency
- transmission level
- reception level
according to CCITT-recommendation V26/V26bis
2400 bit/s
1200 Bd
1800 Hz
adjustable from -23 dB to +4 dB
-43 dB to 0 dB
Data (equipment type UA 8251/01):
according to CCITT-recommendation V22bis
2400 bit/s
600 Bd
1200 Hz (low channel)
2400 Hz (high channel)
- transmission level: adjustable from -24 dB to +6 dB
- reception level : -45 dB to 0 dB
- signal level
- b i t r a t e
- transmission rate
- carrier frequency
9 9 2 2 1 5 4 1 3 4 3 1 2 - 1
NATO CONFIDENTIAL