DS26502 Maxim Integrated Products, DS26502 Datasheet - Page 26

• Manufacturer Part Number: DS26502
• Description: T1/E1/J1/64KCC BITS Element
• Manufacturer: Maxim Integrated Products

6.3 Line Build-Out
Table 6-3. E1 Line Build-Out
*TTD pin must be connected high in this mode.
N.M. = not meaningful
Table 6-4. T1 Line Build-Out
6.4 Receiver Operating Modes
Table 6-5. Receive Path Operating Mode
RMODE3
PIN 13
PIN 13
PIN 64
L2
L2
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
PIN 12
PIN 12
RMODE2
L1
L1
0
0
0
0
1
1
0
0
1
1
0
0
1
1
PIN 61
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
PIN 11
PIN 11
L0
L0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
RMODE1
PIN 4
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
DSX-1 (0 to 133 feet)/0dB CSU
DSX-1 (133 to 266 feet)
DSX-1 (266 to 399 feet)
DSX-1 (399 to 533 feet)
DSX-1 (533 to 655 feet)
Reserved
Reserved
Reserved
120Ω with high return loss*
75Ω with high return loss*
APPLICATION
RMODE0
120Ω normal
75Ω normal
APPLICATION
Reserved
Reserved
PIN 3
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
64kHz + 8kHz + 400Hz Synchronization Interface
26 of 124
www.DataSheet4U.com
E1 G.703 2048kHz Synchronization Interface
RECEIVE PATH OPERATING MODE
64kHz + 8kHz Synchronization Interface
6312kHz Synchronization Interface
N (1)
1:2
1:2
1:2
1:2
—
—
E1 CAS and CRC4
N (1)
1:2
1:2
1:2
1:2
1:2
—
—
—
E1 CRC4
Reserved
Reserved
Reserved
Reserved
E1 CAS
RETURN LOSS
E1 FAS
T1 ESF
J1 ESF
DS26502 T1/E1/J1/64KCC BITS Element
T1 D4
J1 D4
21dB
21dB
N.M.
N.M.
—
—
RETURN
LOSS
N.M.
N.M.
N.M.
N.M.
N.M.
—
—
—
Rt (1)
11.6Ω
6.2Ω
Rt (1)
—
—
0
0
—
—
—
0
0
0
0
0