User's Manual

RGPS Cabling for Multiple BTS Sites Equipped with Optional Primary
Surge Suppressor
– continued
JAN 2002
5-31
SC300 1X BTS Hardware Installation, ATP, and FRU Procedures
DRAFT
Figure 5-22: Site I/O Interface Cabling for HSO (Non–Synchronous) Configurations
PRIMARY
SURGE
SUPPRESSOR
SITE I/O
CABLE
SITE I/O
CABLE
SITE I/O
CABLE
SITE I/O
CABLE
NOTE 1: EACH BTS MAY CONTAIN UP
TO FOUR SC300 UNITS.
NOTE 2: A MAXIMUM OF 12 BTS MAY
BE INTERCONNECTED WITH A
MAXIMUM DAISY CHAIN CABLE
LENGTH OF 600M BETWEEN EACH
BTS. A MAXIMUM OF SEVEN BTS MAY
BE INTERCONNECTED WITH A
MAXIMUM DAISY CHAIN CABLE
LENGTH OF 1 KM BETWEEN EACH
BTS.
MAXIMUM
DISTANCE IS
600 M (SEE
NOTE 2)
BTS 1
(SEE NOTE 1)
BTS 3
(SEE NOTE 1)
BTS 4
(SEE NOTE 1)
X
X
X
BTS 2
(SEE NOTE 1)
MAXIMUM
DISTANCE IS
600 M (SEE
NOTE 2)
MAXIMUM
DISTANCE IS
600 M (SEE
NOTE 2)
UPSTREAM
UPSTREAM
UPSTREAM
DOWNSTREAM
DOWNSTREAM
DOWNSTREAM
PRIMARY
SURGE
SUPPRESSOR
PRIMARY
SURGE
SUPPRESSOR
PRIMARY
SURGE
SUPPRESSOR
CUSTOMER
INPUTS
SPAN
PHONE
(MODEM)
N
O
V
SITE I/O
INTERFACE
CUSTOMER
INPUTS
SPAN
PHONE
(MODEM)
N
O
V
SITE I/O
INTERFACE
CUSTOMER
INPUTS
SPAN
PHONE
(MODEM)
N
O
V
SITE I/O
INTERFACE
CUSTOMER
INPUTS
SPAN
PHONE
(MODEM)
N
O
V
SITE I/O
INTERFACE
1–IN CONDUIT
(CABLES O, N, V,
AND X)
1–IN CONDUIT
(CABLES O, N, V,
AND X)
1–IN CONDUIT
(CABLES O, N, V,
AND X)
1–IN CONDUIT
(CABLES O, N, V,
AND X)
Ç
Ç
= SURGE PROTECTION DEVICE (OPTIONAL)
Ç
Ç
Ç
Ç
Ç
Ç
Ç
Ç
Ç
Ç
RGPS SYNC
CABLE
RGPS SYNC
CABLE
RGPS SYNC
CABLE
UNIT
301
UNIT
201
UNIT
101
UNIT 1
UNIT
201
UNIT
101
UNIT 1
UNIT
101
UNIT 1
UNIT 1
5