Table of Contents
Advertisement
2. Short Message / Tone Only Vector
Table 12-22 Short Message / Tone Only Vector Packet Bit Assignments
Bit 7
Bit 6
Byte 3
0
WN
Byte 2
e
p
Byte 1
x
x
Byte 0
d
d
5
V: 010 for a Short Message / Tone Only Vector
WN: Word number of vector (2 - 87 decimal). Describes the location of the vector word in the
frame.
e: Set if more than 2 bit errors are detected in the word or, if after error correction, the check
character calculation fails.
p: Phase on which the vector was found (0=a, 1=b, 2=c, 3=d)
d: Data bits whose definition depend on the value of t in this packet according to the following
table. Note that if this vector is received on a long address and the e bit in this packet is not set, the
decoder will send a Message Packet from the word location immediately following the Vector
Packet. Except for the short message on a non-network address (t=0), all message bits in the
Message Packet are unused and should be ignored.
t
t
d
d
d
d
1
0
1 1
10
9
8
0 0
c
c
c
c
3
2
1
0
0 0
T
T
T
T
3
2
1
0
0 1
s
s
s
s
8
7
6
5
1 0
s
s
R
N
1
0
0
1 1
Note: For long addresses, an extra 5 characters are sent in the Message Packet immediately
following the Vector Packet.
t: Message type. These bits define the meaning of the d bits in this packet.
x: Unused bits. The value of these bits is not guaranteed.
Bit 5
WN
6
5
p
1
0
d
11
d
4
3
d
d
d
d
d
d
7
6
5
4
3
2
b
b
b
b
a
a
3
2
1
0
3
2
M
M
M
A
A
A
2
1
0
4
3
2
s
s
s
s
s
S
4
3
2
1
0
2
N
N
N
N
N
S
5
4
3
2
1
0
2
Bit 4
Bit 3
WN
WN
4
3
x
x
d
d
10
9
d
d
2
1
d
d
Description
1
0
a
a
Short Numeric: 3 numeric chars*
1
0
messaging address
A
A
Part of NID when on a Network Address
1
0
S
S
Tone Only: 8 sources (S) and 9 unused bits
1
0
(s)
S
S
Tone Only: 8 sources (S), message number
1
0
(N), message retrieval flag (R), and 2 unused
bits (s)
spare message type
Bit 2
Bit 1
WN
WN
2
1
V
V
2
1
d
d
8
7
d
t
0
1
1
when on a
Bit 0
WN
0
V
0
d
6
t
0
363
Advertisement
Table of Contents
