Paradyne 8995, Инструкция по установке и эксплуатации, Страница: 8 / 24

8
Deploying ATM Over T1 or E1 Through DLCs
In Figure 3 , broadband service is deployed to customers for whom IDSL is inadequate
or prohibitively expensive.
Figure 3. ATM Over T1 or E1 Through DLCs
Voice Over T1 or E1 ATM
Figure 4 shows voice services implemented using ATM over standard T1 or E1 lines.
Figure 4. Voice Over T1 or E1 ATM
ALARMS
Major Minor
Fan B A
POWER
SERIAL
SMCM
CLOCK
A
ALARM
2 4
6 8
10 12 14 16
18
1
3 5 7 9
11 13
15 17
LAN/WAN SLOT
B
CLOCK
B
A
SERIAL
MCC
AC
ALARM
48V R
T N
48V NEG
POWER ENTRY MODULE
LEFT UNIT: LINE A
RIGHT UNIT: LINE B
WARNING! POWER MUST BE DISCONNECTED AT THE SOURCE
BEFORE REMOVING OR INSTALLING THIS PWR ENTRY MODULE
48V R
T
N
48V NEG
POWER ENTRY MODULE
LEFT UNIT: LINE A
RIGHT UNIT: LINE B
WARNING!
POWER MUST BE DISCONNECTED AT THE SOURCE BEFORE REMOVING OR INSTALLING THIS PWR ENTRY MODULE
ATM T1/E1
or
ATM T1/E1
IMA Device
ATM
DS-3
OC-3
T1 IMA
04-17504
DLC
ALARMS
Major Minor
Fan B A
POWER
SERIAL
SMCM
CLOCK
A
ALARM
2 4 6 8
10 12 14
16 18
1 3 5 7
9 11 13
15 17
LAN/WAN SLOT
B
CLOCK
B
A
SERIAL
MCC
AC
ALARM 48V R
T N
48V NEG
POWER ENTRY MODULE
LEFT UNIT: LINE A
RIGHT UNIT: LINE B
WARNING! POWER MUST BE DISCONNECTED AT THE SO
URCE BEFORE REMOVING OR INSTALLING THIS PWR ENTRY MODULE
48V R
T N
48V NEG
POWER ENTRY MODULE
LEFT UNIT: LINE A
RIGHT UNIT: LINE B
WARNING! POWER MUST BE DISCONNECTED AT THE S
OURCE BEFORE REMOVING OR INSTALLING THIS PWR ENTRY MODULE
8820 BLC
T1/E1 IAD
Voice Gateway
CPX-1000
05-17505-02
ATM
Network
PSTN
Voice
T1/E1
ATM
Class 5 Switch
Central Office Customer Premises