System 75 Small-Cabinet to R8si (Blowback)
Task List: System 75 Small Cabinet to R8si
SI Installation and Upgrades
309
June 2004
Install TDM/LAN bus terminators and connect cables [75 small upgrade]
Return to Task List
1
On the top port cabinet, remove the existing terminator (AHF1), and replace it with a AHF110
TDM/LAN bus terminator.
2
Route and connect the new WP-91716 L3 TDM/LAN cables (see
Figure 82, TDM/LAN
connections for R7si/R8si PPN,
on page 309). Use the following steps to route the cables between
the R1V3 port cabinets being reused. The new cables are not run through the existing slot in the
rear shelves.
a
Loosen the 2 left (as viewed from the rear) connector-panel screws, and then remove the
other 2 connector-panel screws.
b
Attach the TDM/LAN cable to the backplane and slide the cable between the connector
panel and the rear shelf (not through the existing hole in the shelf). Route the cable along
the bottom of the cabinet.
c
Replace and tighten the connector-panel screws.
3
If you are upgrading and adding duplication, connect the cables as shown in the
Table 14,
Intercabinet Cable Connections,
on page 310 table and
Figure 83, ICC pin-field blocks on
J58890L-1 L5 enhanced control cabinet,
on page 310 and
Figure 84, ICC pin-field blocks on
J58890M-1 L5 or J58890M-2 L7 enhanced duplicated control cabinet,
on page 311.
Figure 82: TDM/LAN connections for R7si/R8si PPN
TERMINATOR
TDM/LAN BUS
SLOT 21
SLOT 21
PORT CARRIER
CONTROL CARRIER
A
B
TERMINATOR
TDM/LAN BUS
TDM/LAN CABLE
(WP91716 L6)
REAR VIEW
(ZAHF4)
(ZAHF4)
SLOT 03
J58890AH-1 L5
SEE NOTE
J58890BB
NOTE: ON PORT CARRIER J58890BB-1, CONNECT THE TDM/LAN TERMINATOR TO SLOT 02.
ON PORT CARRIERS J58890BB-2 AND J58890BB-3, CONNECT THE TDM/LAN TERMINATOR TO SLOT 01.
IF THE PORT CARRIER HAS BOTH J58890BB-1 AND J58890BB-2 STENCILLED ON IT, TREAT IT
AS A J58890BB-1.