363-206-305
Shelf Descriptions and Configurations
3-28
Issue 3 June 2000
Data Services Interface
3
Figure 3-28 shows an example of BBG19 (DS3) Data Services Interface
application. Figure 3-29 shows an example with OC-1 optics in the Main providing
Data Services.
A BBG19 is installed in each Function Unit slot. These circuit packs provide a
clear channel DS3 interface to external data communications equipment like LAN
routers/ATM switches. Such products support data services interfaces like NMLI,
FDDI, and ATM DS3 rate. DS3 access is through BNC connectors on the circuit
pack faceplate. Protection switching is performed external to the FiberReach
shelf. When the main slots are equipped with 26-type (OC-1) OLIUs, there is no
capacity for mixing DS3 and DS1.
Figure 3-28. DDM-2000 FiberReach DS3 Data Services Application
S
Y
S
C
T
L
U
S
E
R
P
A
N
E
L
Main*
* For 29-Type for OC-12
D
S
1
D
S
1
Function
Units
2
8
O
L
I
U
2
8
O
L
I
A B C D
D
S
1
D
S
1
D
S
1
D
S
1
D
S
1
D
S
1
(P)
U
(P)
Low Speed
Groups
tpa 852436/01
G
-U
G
-U
B
B
G
1
9
B
B
G
1
9
To Next Page
Loading...
Need help?
General
