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Specifications
Product Specifications
Table 1: Dual-Port and Quad-Port T1/E1 GPIM Network Interface Specifications
Feature
t1 MODe
e1 MODe
Network Interface Specifications
Line encoding
AMI/B8ZS
HDB3
Mode
Framed clear channel
Framed clear channel (64 Kbps)
Unframed clear channel
Fractional framing
Superframe (D4/SF)
Extended superframe (ESF)
G704
G704 with no CRC4
G703 unframed
High-Level Data Link Control (HDLC) Features
N x 64 Kbps or N x 56 Kbps, non-channelized
data rates (fractional T1/E1 support)
(T1: N=1 to 24)
(E1: N=1 to 31)
Cyclic redundancy check (CRC)
16/32
16/32
Shared flag
Supported
Supported
Idle flag/fill
Supported
Supported
Counters
Runts, giants, frame check sequence (FCS),
error, abort error, align error
Runts, giants, FCS, error, abort error, align error
Data Interface
• Clocking Modes: DCE, internal, loop
• Clocking Rates: 1.2 KHz, 2.4 KHz, 9.6 KHz, 19.2 KHz, 38.4 KHz,
56.0 KHz, 64.0 KHz 72.0 KHz, 125.0 KHz, 148.0 KHz, 250.0 KHz,
500.0 KHz, 800.0 KHz, 1.0 MHz, 1.3 MHz, 2.0 MHz, 4.0 MHz,
8.0 MHz
Interface Connector
• RJ-48
• System timing
• Internal (system clock)
• External (network recovered clocks)
Dimensions and Weight (W x H X D)
Dual Port t1/e1 GPIM
• 6.72 x 0.78 x 8.1 in (170.8 x 19.8 x 205.7 mm)
• 15.4 oz (0.44 kg)
Quad Port t1/e1 GPIM
• 6.72 x 0.78 x 8.1 in (170.8 x 19.8 x 205.7 mm)
• 15.4 oz (0.44 kg)
environmental
• operating temperature: 0° to 40° C
• Storage temperature: -40° to 70° C
• Relative humidity: 5% to 90% noncondensing
Diagnostics
Loopbacks
• Local, remote, payload
test Patterns (Bert)
• All ones
• All zeros
• Alternating ones and zeros (AA/55)
• 1:3 or 1 in 4 pattern
• 1:7 or 1 in 8 pattern
• 3:24 (3 bits set in every 24 bits)
• QRSS20 (modified PRBS 2^20-1, with 14 zero suppression)
• PRBS 2^7-1
• PRBS 2^9-1 (as specified in ITU-T o.153)
• PRBS 2^11-1 (as specified in ITU-T o.153)/2047 pattern
• PRBS 2^15-1 (as specified in ITU-T o.151/o.153)
• PRBS 2^20-1 (as specified in ITU-T o.153)
• Programmable word or 32-bit programmable pattern
SrX-GP-DuaL-tI-e1
SrX-GP-QuaD-tI-e1