AMERITECH AM8a Instruction Manual page 131

Appendix A – PCM Operations
PCM1
RX
1.544 MBs
reference
CLK.
1
TX
1
3
Note: All channels passed from RX to TX in MODE: monitor.
Figure A-3. Rpt (Repeat) 1 to 2 PCM Processing Diagram
February 10, 2000
(18-0037)
AM8a PCM PROCESSING
D
E
Other 23 channels
M
U
Channel
X
1 - 24
M
U
Other 23 channels
X
TIMS TX/2W
IGNORE
TRUNK
SIGNALING
METER PCM1
RX dBdsx; BPV, FERR, CRC, SLIPS, YELLOW,
}
BLUE; TX-RX FRAME SYNC
METER PCM2
2
METER PCM 1 RX Channel
A-4
AM8a Instruction Manual
M
U
X
IDLE
TIMS RX
D
E
M
U
X
3
TRUNK
ANALYZE
Tone or Noise
PCM2
TX
2
RX
0037-S0A.L_